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Northern California Foot & Ankle Center
4.80
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.80
Wait time
4.81
Bedside manner
4.85
Insurances accepted
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Medicare
UnitedHealthcare
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Northern California Foot & Ankle Center
2100 Webster St, Ste 209, San Francisco, CA 94115
Today, Aug 31 – Sun, Sep 13
Insurances accepted
99% of patients have successfully booked with these insurancesAetnaBlueCross BlueShieldCignaMedicareUnitedHealthcare
2 office locations
Northern California Foot & Ankle Center (1 of 2)
45 Castro St, Unit 315, San Francisco, CA 94114
Northern California Foot & Ankle Center (2 of 2)
2100 Webster St, Ste 209, San Francisco, CA 94115
1 of 2
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Northern California Foot & Ankle Center
Dr. Mark Co is a board-certified podiatric physician treating patients in the San Francisco Bay Area. He is a staff physician with California Pacific Medical Center/Sutter Medical Foundation and UCSF/St. Mary’s Medical Center.
Dr. Co did not start his career as a physician. He graduated Johns Hopkins University with a concurrent Bachelor’s and Master’s degree in Electrical and Computer Engineering. While working as an engineer for AT&T he completed an MBA at New York University Stern School of Business in the evenings. He subsequently pursued telecommunications and Internet product management opportunities rising to Director-level positions managing small teams of product managers.
Despite his success in high technology, he realized his calling through a defining moment volunteering at San Francisco General Hospital. He has spent nearly a decade realizing his goal of becoming a physician, the profession of his father and mother.
Dr. Co practices with a common-sense approach to foot and ankle issues using all available treatments, conservative and surgical, to arrive at an appropriate treatment plan for his individual patients. He believes each patient presents differently and may require an individualized treatment approach. He activates his medical training to find the best solutions for his patients. Most importantly, his goal is always to be of service to his patients and feels privileged to earn the trust of his patients.
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.80
Wait time
4.81
Bedside manner
4.85
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
566 reviews
Most relevant
Great experience! Dr. Co was very helpful, diagnosed me immediately, and explained the prescription clearly.
July 22, 2026Initials hidden
Would not recommend. MD spent 4 minutes with me, never evaluated my foot and the entire visit was rushed and disorganized
September 29, 2025Whitney M.Verified patient
They spend 0 effort and expect the patient to handle all insurance communications, which is insane
October 17, 2025Xiang Y.Verified patient
Very brief …..doctor just took 2 minutes and sent me off.
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Dr. Co gave me some very good advice and preferred lifestyle changes over expensive and invasive surgery. I appreciate that.
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Sensible recommendation for my issue. Glad to find a podiatrist who doesn't immediately want to pull out the scalpel and cut!
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It was very informative. Dr Co presented me with two treatment alternatives. Answered all questions. Thank you!
April 25, 2023Initials hidden
Pretty efficient. Quick but thorough and pleasant.
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Amazing!! It was seamless. My foot feels much better and I’m well informed about next steps
November 2, 2024Anne R.Verified patient
All fine, but this is too much. I will never fill in one of these forms again.
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The Visit was awesome. I got written tips on how I should procede with my issue and will be seeing Dr. Co soon.
May 30, 2013Initials hidden
Office was pleasant. Doctor appears to know his stuff and has a very nice manner.
Jerilyn M.Verified patient
He taught me a lot of stuff and entertained all my questions.
November 20, 2025Rishabh M.Verified patient
The office was professional and kind. They really showed an invested interest in my concerns.
September 20, 2023Derrick W.Verified patient
I love my podiatrist and his staff. DR. MARK is gentle and compassionate. I will always come back.
July 24, 2014Patricia G.Verified patient
Dr. Co, was receptive and honestly shared with alternatives that work to address my needs.
September 5, 2023Derrick W.Verified patient
Dr. Mark was prompt, efficient and courteous. I will return to his office again if needed.
February 26, 2016Initials hidden
This is my 2nd procedure with dr co. He and his staff are knowledgable precise and caring
July 9, 2014Initials hidden
Approachable and knowledgeable. I left learning a new way to mitigate my bunion.
February 4, 2015Jen H.Verified patient
Incredibly rushed and rude. Felt dismissed. Would not visit again
April 15, 2023Initials hidden
He was really great and very solution focused. I'm very pleased
April 7, 2016Amber G.Verified patient
Friendly and experienced. Great listener and communicator. Will continue with Dr Thamby moving forward!
August 25, 2025Raven B.Verified patient
Very friendly front desk and doctor, I need to reschedule my appointment due to traffic jam and they helped me right away.
April 23, 2024Initials hidden
He was friendly and gave a very helpful and clear recovery plan.
June 13, 2026Calvin J.Verified patient
Great, friendly Podiatrist! Highly recommend! Put me on the right path to continue to heal my injury
April 21, 2025Derrick H.Verified patient
The visit was not rushed. Dr Thamby listed to my questions and responded satisfactorily.
October 19, 2025Beatrice H.Verified patient
Dr. Thamby is very personable and knowledgeable. I highly recommend him.
February 28, 2026Carolyn B.Verified patient
Dr. Thamby was very knowledgeable, encouraged questions, and clear on the my options. Quick wait time too.
August 24, 2024Daniel H.Verified patient
Dr Thamby is really awesome, super friendly and kind! Would definitely recommend him for any foot issues.
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Professional and explained everything very well!
August 11, 2026Michael K.Verified patient
Quick diagnosis with a small in office x-ray machine. Received recommended treatment.
July 21, 2025Mervin D.Verified patient
One of the nicest doctors I’ve ever met! Sup glad I made the choice to see Dr. Thamdy! Highly recommend!!!
March 27, 2024Nick R.Verified patient
Dr Thamby was great! Quick and knowledgeable, I will definitely go back for any other foot problems I have.
November 14, 2023Initials hidden
Fantastic doctor. Takes the time to listen to your concerns and very knowledgeable.
June 7, 2025Uday Sandilya B.Verified patient
Dr. Thamby was very prompt, specific and helpful with next steps! The office staff were great too :)
March 13, 2024Ridima R.Verified patient
I was embarrassed about how I got injured, but the doctor didn’t judge me and was very compassionate.
October 12, 2023Isaac D.Verified patient
Dr Rohan was great. Super patient and explains things very well. I’d definitely go back to him!
May 9, 2024Kevin H.Verified patient
Had an amazing visit, very friendly and knowledgeable. Would definitely recommend!
March 20, 2025Anyssa B.Verified patient
I was nervous upon my visit but the doctor made me feel at ease and was very informative ??
June 25, 2024Latreece J.Verified patient
Really great experience! Would 100% recommend Dr. Thamby to anyone looking for a podiatrist.
April 8, 2024Griffin W.Verified patient
Rohan is the best - very patient and offers thorough advice to prevent further injury
July 19, 2024Andre W.Verified patient
Immediately understood why he has 5 stars. Professional, thorough, and very personable.
October 18, 2023Mark H.Verified patient
Very knowable and helpful and really care emphatically
September 7, 2025Kiranmai M.Verified patient
Great experience! Glad my condition is being treated properly.
April 15, 2025Initials hidden
Excellent bedside manner, knowledgeable, and highly recommended!
July 29, 2024Danielle D.Verified patient
One of the best doctors ive seen, highly recommended.
September 6, 2024Devlin R.Verified patient
Great experience, very helpful, and quick resolving my issue.
October 19, 2023Meaghan B.Verified patient
Dr. Thamby is very kind and friendly, he helped me a lot!
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Excellent with dr. Thamby.
Unsatisfactory with zocdoc
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Amazing experience, always my place to go for my feet
October 23, 2023Fernando M.Verified patient
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