Catherine Liu, MD
Not currently accepting new patients
4.824228 average rating from 421 patient reviews
Specialties
- Ophthalmology
- Comprehensive Ophthalmology
- Cornea and External Diseases
- LASIK and Laser Vision Correction Surgery
Affiliation
Mass General Brigham
Provider Locations
- Lexington, MA
- Boston, MA
Dr. Liu is a board-certified, full-time member of the Comprehensive Ophthalmology Service, and Cornea and Refractive Surgery Service at Mass Eye and Ear.
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A native to Canada, she completed her ophthalmology residency training at McGill University in Montreal where she filled numerous leadership roles including the role of Chief Resident. She is multilingual and double board-certified, having successfully completed both the American and Canadian Ophthalmology board examinations.
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During her advanced two-year fellowship at Mass Eye and Ear, Dr. Liu gained expertise in the full range of common, complex, and high risk corneal and external diseases. In addition to performing cataract surgery and evaluating general eye pathology, Dr. Liu is qualified to perform corneal transplantation and refractive surgery.
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Clinical Interests
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- _x000D_ Cataract and refractive surgery
- _x000D_ Comprehensive ophthalmology
- _x000D_ Cornea and external diseases _x000D_
Education & Training
- Fellowship: Massachusetts Eye and Ear, Cornea, External Disease, and Refractive Surgery, 2023
- Residency: McGill University, Ophthamology, 2021
- Medical Education: Universite de Sherbrooke, 2016
Board Certifications
- Ophthalmology, American Board of Ophthalmology
Languages Spoken
- English
Age Group Treated
- Adults
Patient Feedback
4.824228 average rating from 421 reviews
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Dr. Liu is one of the best Dr. I have ever seen
2026-07-08
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Very satisfied
2026-07-08
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Dr. Liu listened to me, asked relevant questions and explained carefully her recommendation for follow-up in 6 months. She had reviewed my records and tests before coming in the room.
2026-07-06
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Staff and doctor are great. [redacted] Dr. Liu is the best.
2026-07-04
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Very professional, caring, good listener empathetic
2026-07-04
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I had a very good experience with Dr. Liu and the nurses and receptionists.
2026-07-03
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The staff person , doing the eye testing, was personable & most competent . Dr. was also friendly, competent and most professional. Kudos to them both.
2026-07-01
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It was really good. I really liked how they treated me. The doctor who was with me was very respectful. Everything was great, really. Thank you so much. It's so nice to be treated like that, with such respect and attention.
2026-07-03
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Dr. Liu was very kind and attentive during my visit on [redacted].
2026-07-01
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I enjoy our interactions during our appointments, Dr Liu is wonderful.
2026-07-04
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I had an excellent experience from start to finish. The staff was friendly, caring, and professional. Thank you for making me feel comfortable and well cared for.
2026-07-02
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Excellent, highly knowledgeable, caring Doctor. Very happy to be a patient of Dr. Liu.
2026-06-28
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Dr Liu was very nice and friendly!
2026-06-28
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I left before seeing the doctor. I was in the room waiting for over an hour and forty minutes. I can understand running a little late. That happens. But in this case I think I was simply forgotten behind a closed door.
2026-07-08
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Exceptionally competent, professional, and caring.
2026-07-01
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Very pleased with my experience.
2026-06-28
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She is good, caring, welcoming, and efficient
2026-06-17
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Dr. Liu was very attentive and informative.
2026-06-17
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Did a great job I am very pleased
2026-06-09
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Efficiency, incredibly knowledgeable. Ease of eye examination
2026-06-11
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The doctor was very good with all the explanations as to what would happen and what to expect . Also she clearly explained why I needed the procedure. I liked her very much.
2026-06-09
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Dr. Liu is amazing. She was caring and very thoughtful and very knowledgeable and took her time to explain everything to me.
2026-06-08
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Had a wonderful visit. Very pleasant visit
2026-06-07
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caring and thoughtful
2026-06-07
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The doctor is very good resident was awesome.
2026-06-06
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She was very professional and courteous gave answers to my questions my experience was great
2026-06-07
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I had a stroke in [redacted]. Dr. Liu knew everything. When I came in, she knew I had a stroke, and she didn't even start to appoint me yet. She just was asking how I was doing, and she was really concerned, and she was really happy that I was alive. And then after the appointment lasted so long, it was well over an hour. And they ran all the tests possible, and I felt so good leaving there that I'll never forget it. So it was an amazing, amazing experience. And I want to say thank you so much to the whole staff over there. [redacted]
2026-06-05
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Very knowledgeable and caring
2026-06-02
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She was very kind and I felt comfortable since she didn't speak Spanish but tried to explain things to me in Spanish.
2026-05-28
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Dr. Liu was very thorough. She checked my previous cataract surgery because I had fallen since then. She said I did not need further cataract surgery.
2026-05-27
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Excellent rapport!
2026-05-27
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The surgery went as planned and everyone was professional and courteous.
2026-05-14
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Excellent service ,thanks
2026-05-12
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My provider was great [redacted]
2026-05-15
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Drs [redacted] and Liu are very good
2026-05-13
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Dr. Liu is awesome. Very thorough and professional.
2026-05-10
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Dr. Liu was extremely thorough. She answered all my questions. She did all the tests that were necessary for my vision exam. I would highly recommend her to friends and relatives.
2026-05-11
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Dr. Liu was very efficient and very polite, courteous, and very informative. I was pleased with her. Thank you.
2026-05-09
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This was my first appointment with her and was very pleased with her bedside manners and competence
2026-05-07
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Attentive and very polite.
2026-05-06
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Dr. Liu is doing great and she is attentive and explain things clearly
2026-05-06
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Dr Liu is awesome!
2026-05-05
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Excellent.
2026-05-03
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A thorough and comprehensive exam and careful attention to the issue I raised I am a physician and know good care and this was good care
2026-05-02
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Excellent! Top notch! The best!!!
2026-04-29
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Very caring and very professional
2026-04-27
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Excellent
2026-04-27
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My provider was excellent [redacted]
2026-04-22
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Excellent experience
2026-04-20
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Excellent professional.
2026-04-13
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TERRIFIC
2026-04-12
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Excellent care
2026-04-09
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Dr Catherine Liu was my surgeon for cataract surgery and has remained my primary eye care doctor. She spends time with me explaining everything and gives me the comfort of knowing I have the best eye care possible
2026-04-09
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My experience was fantastic! My mother sees the same person, dr liu, and we are both very pleased.
2026-04-09
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responsive and helpful
2026-04-03
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Everything was great.
2026-04-03
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Very thorough and detailed, I will be back in 12 months to see her again
2026-03-31
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Dr Liu was attentive and thorough and explained everything clearly
2026-04-01
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Dr. Liu is a dedicated and exceptional doctor. She always take time with me and does not rush the appointment. I had cataract surgery with another provider at a different facility. Dr. Liu did my other eye and listened to what I expected after the surgery. I am so pleased with the results.
2026-03-28
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Dr Liu met all of my expectations! She was wonderful!
2026-03-28
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My experience with Dr. Liu was very good. Her assistant, I'm not sure if she was a nurse, was excellent. Very professional, really well run. I was very impressed with everything that day. So excellent experience. The doctor, the administrators, the nurses, everybody was good. So thank you. Bye.
2026-03-27
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Great.
2026-03-26
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I am 100% happy and satisfied with my entire experience. Dr. Liu was thorough, dod not rush my responses to her questions, and she made me feel listened to. Dr. Liu also off
2026-03-25
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[redacted] This was my first visit with Dr. Liu and I was very pleased.
2026-03-23
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I just want to say thank you for your amazing work!!!
2026-03-18
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For my first time with this provider, I'd say that I feel that my care is in good hands.
2026-03-11
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I was a new patient to Dr Liu. I don't know if she had read my file before seeing me, but she was careful and clear in her advice for my dry eyes. She also arranged for a wheelchair for me to mgh emergency department, a huge help
2026-03-12
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As always, Dr Liu explains everything to me in a manner that I understand. She does not make me feel rushed. She is a kind human being .
2026-03-04
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She is always so pleasant and courteous!
2026-03-04
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I'm grateful to have care with Dr Liu She has been wonderful to me Thank you!
2026-03-04
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They are wonderful.
2026-02-26
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Excellent attentive kind and very clear explanations.
2026-02-26
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She was excellent. Answered all my questions and concerns. I respected her suggestions and went with her advise. I was confident in our plans going forward. Thank you!
2026-02-19
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The Dr is excellent!
2026-02-18
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Very knowledgeable- cared and listened
2026-02-27
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The staff including the Dr were very knowledgeable and nice
2026-02-26
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Dr. Liu was thorough, prepared and answered all questions in the detail I needed. Very happy to have her as my new doctor.
2026-02-05
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He knew his job well and was very kind.
2026-01-31
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Doctor C Liu is the best. Always very thorough.
2026-01-30
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Very well prepared. Very, very good listener. Incredibly thorough. Extremely knowledgable. Provided excellent explanations.
2026-01-22
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Great person.
2026-01-21
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Dr Liu was really helping me with my eye problem. Amazing Doctor.
2026-01-14
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She was both friendly and professional.
2026-01-14
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My provider was a new visit and the experience was a wonderful experience. The provider was patient kind and thorough. I'm grateful
2026-01-14
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My Dr explained everything that was going to happen during my appointment and for future surgeries, which I understood. I felt very comfortable with her. And would definitely see her again.
2026-01-15
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She was very professional and knowledgeable. Spent a good amount of time with me.
2026-01-14
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Through examination and a full review.
2026-01-10
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She is very nice and pleasant,. She knew my history and why I was here. She was professional. I felyt=t comfortable. [redacted]
2026-01-09
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Very kind, meticulous, projects knowledge based confidence
2025-12-31
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Everything was running late & I arrived early
2025-12-31
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She's a humble woman
2025-12-25
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She was fantastic
2025-12-16
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Everyone was kind , considerate and respectful. I felt very comfortable and would definitely recommend Mass Eye and Ear to Al my friends and family.
2025-12-16
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Dr. Liu is an amazing Ophtalmologist! She carefully reviewed my case, was well aware of the health issues she raised in prior visits and provided outstanding care. Many thanks to her and her team for being outstanding health practitioners.
2025-12-11
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Excellent
2025-12-01
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Wonderful!
2025-11-25
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Dr Liu Is very patient, listens well, and explains things in very measured manner. I never feel rushed when visiting her which give me confidence that her treatment plans and recommendations are also well thought out and planned and not rash.
2025-11-26
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She thoroughly explains what she is doing before implementation. Explains why I should be doing certain treatments for my eye health.
2025-11-19
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The 2 techs that did the testing were pleasant and professional.
2025-11-19
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The doctor is an excellent professional, always attentive to my needs, and explains my condition very well. All I have to say is that I have received excellent care from her and her entire team.
2025-11-14
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In my previous visit I didn't have a good experience. I wanted to give one more chance and I am glad I did. The progress was amazing.
2025-11-12
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I was very pleased with the care there. [redacted]
2025-11-10
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Everyone was kind and answered my questions.
2025-11-05
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Very knowledgeable and caring!
2025-11-05
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The provider made sure that I understood how serious it for me to follow through with meds and how often I needed to takes the meds. But most importantly to make sure I keep my appointments.
2025-11-05
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I have no issues with the provider. She's pleasant and the interaction was what I expected.
2025-11-03
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There's nothing I could've said about Dr Liu she's a great friendly person I strongly believe she cares about her patients.
2025-10-30
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Thank you and Happy Thanksgiving. She was very thorough.
2025-10-29
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I really liked Catherine Liu. She showed interest in my medical issues and proved to be competent. She respected me as a patient. I liked her. Thank you so much.
2025-10-31
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Dr. Liu is superb. I am in good hands and grateful!
2025-10-29
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She was absolutely fabulous to the point that I would like her to be my provider FOREVER. Very knowledgeable, courteous, and pleasant.
2025-10-29
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Dr Liu is an excellent, thoughtful communicator. Also kind and compassionate. And super knowledgeable. Great physician.
2025-10-20
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No complaints she 's a good person very patient she 's a professional i always tell my friends and family about her may God bless her
2025-10-20
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Dr Liu and her team were outstanding and professional. I could not be happier with the results of my cataract surgery.
2025-10-16
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It was very good and super attentive.
2025-10-15
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She was excellent! Listened intently and explained everything very well
2025-10-15
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It was very good and courteous.
2025-10-18
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Hi, [redacted], who first assessed me and helped me measure my pressure and give eye drops. She's excellent. And also Dr. Catherine Liu. My first time seeing her, and I feel comfortable right away. She listens to me, and she hears my concerns, and she discusses everything that's going on with me. So she's also an excellent provider.
2025-10-17
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I HAVE NOTHING TO SAY EVERYTHING WENT WELL AT THIS FACILITY.
2025-10-11
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Dr Liu always is engaged and involved. I appreciate her care
2025-10-11
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My experience was excellent
2025-10-08
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[redacted]. Care was great.
2025-10-08
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Very pleasant.
2025-10-02
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I was apprehensive about this appointment because I had never met Dr. Lui before [redacted] Dr. Lui listened carefully and answered all my questions. I am delighted to have her now as my ophthalmologist!
2025-10-01
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My experience with this provider, it was very accurate and everything was on point, understanding. I got my fair chance to say whatever I want to say about my health. And also, I have to say it on spot to the doctor and the nurse. This is where I should be all along. The experience was so great. I would give it out of 10, 10 out of 10. Nothing less.
2025-10-03
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She was very good and properly diagnosed my issue.
2025-10-03
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Dr Liu was absolutely wonderful. She listened to all my concerns and we came up with a plan to treat my eye. That is extremely acceptable to me. I highly recommend her to any other person who is going to have cataract surgery.
2025-10-02
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Professional. Thank you Doctor LIU.
2025-09-26
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Excellent provider
2025-09-22
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Superlative, start to finish. From past experience, I have come to expect top-notch care from MEEI staff and physicians, and at this appointment my expectations were exceeded. Courteous, respectful, knowledgeable, efficient, thorough -- all apply. Dr. Liu stands out as the best MD in this field I have ever had.
2025-09-18
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I like her
2025-09-17
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The doctor was so pleasant and was knowledgeable about my case as she studied it the night before. Will see her again after 2 months
2025-09-18
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Continue offering quality service and respect.
2025-09-18
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Caring and willing to listen
2025-09-17
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Yes, Catherine Liu was excellent. I enjoyed her. She seems to enjoy her work. And my daughter is now going to see her as well.
2025-09-10
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Took forever to get an appointment and I waited a while mid visit for the doctor but it was good overall
2025-09-10
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I had a wonderful experience. Dr Liu is very knowledgeable and professional. Her staff who did the initial measurements was excellent; he was very thorough and respectful.
2025-09-10
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The staff were very nice. I asked question they answer them very nicely. I will recommend them to everybody I know.
2025-08-30
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She was terrific. I've been going to her for years and will continue.
2025-08-29
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Excellent provider and staff
2025-08-28
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Dr. Liu is courteous. She's friendly. She's fellow. She is professional. I like her a lot. And my husband likes her too. That's about it.
2025-08-28
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I had a great experience with this doctor
2025-08-27
Accepted Insurance
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