Skip to main content

Health care

We provide affordable and personalized care

How can we help?

Helpful links

Financial

Accounts to help you save and pay for health care expenses

How can we help?

Helpful links

  • Resources

    Find contribution limits, savings tools, calculators and eligible expenses

  • Account support

    Find contact information and frequently asked questions

Tax season resources

Get ready for HSA tax season

If you used an HSA this year, the HSA Tax Center offers general information about contributions, eligible expenses and commonly used tax forms — all in one place.

Pharmacy

We make it easy to get medications you need, when and where you need them

How can we help?

Helpful links

  • Optum Rx

    For people with pharmacy insurance benefits through Optum Rx

  • Track orders

    Track your home delivery and specialty order

  • Pharmacy support

    Find contact information and answers to frequently asked questions

Mobile app

Optum Rx on the go

Request refills, track order status, manage billing information and much more.

Download on the App StoreGet it on Google Play
Katherine C. Ma, MD

Katherine C. Ma, MD

Optum Provider

Specialty

Orthopaedic Surgery, Orthopaedic Foot and Ankle Surgery

Languages

English

Seeing patients at

Monday 9:00 AM - 5:15 PM
Tuesday 8:45 AM - 4:45 PM
Wednesday 8:45 AM - 5:15 PM
Thursday 8:00 AM - 4:00 PM
Friday 8:30 AM - 11:45 AM
Saturday Closed
Sunday Closed
Hours may vary, please contact to schedule and confirm appointment availability.
Monday 8:30 AM - 5:00 PM
Tuesday 8:30 AM - 5:00 PM
Wednesday 8:30 AM - 5:00 PM
Thursday 8:30 AM - 5:00 PM
Friday 8:30 AM - 5:00 PM
Saturday Closed
Sunday Closed
Hours may vary, please contact to schedule and confirm appointment availability.
Monday 8:30 AM - 5:30 PM
Tuesday 8:30 AM - 5:30 PM
Wednesday 8:30 AM - 5:30 PM
Thursday 8:30 AM - 5:30 PM
Friday 8:30 AM - 5:00 PM
Saturday Closed
Sunday Closed
Hours may vary, please contact to schedule and confirm appointment availability.

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.9

34 reviews

    • Reviewed on Apr 7, 2026
    • Verified Review

    Dr Ma is extremely professional, competent, kind and explains your care throughly! Optum is fortunate to have Dr Ma in their group!

    • Reviewed on Mar 9, 2026
    • Verified Review

    I feel she is extremely professional with the ability to show concern. I felt very comfortable with her and no hesitation in asking any questions.

    • Reviewed on Mar 9, 2026
    • Verified Review

    Because I wood.

    • Reviewed on Mar 3, 2026
    • Verified Review

    So compassionate, the most amazing doctor. Such a blessing for me in my time of need.

    • Reviewed on Feb 25, 2026
    • Verified Review

    Very caring and patient

    • Reviewed on Feb 20, 2026
    • Verified Review

    I will like for her to relay my perception to hanger footcare for casting of drop foot booth. Afo cast

    • Reviewed on Feb 9, 2026
    • Verified Review

    she is amazing

    • Reviewed on Jan 30, 2026
    • Verified Review

    She is very easy to talk to and listens to my symptoms. Dr. Ma suggested a variety of plans to ease my pain.

    • Reviewed on Jan 28, 2026
    • Verified Review

    Dr. Ma is a kind and compassionate doctor. She explains everything in detail and provides wonderful care.

    • Reviewed on Jan 22, 2026
    • Verified Review

    I absolutely love her.

    • Reviewed on Jan 22, 2026
    • Verified Review

    I found Dr. Ma to be extremely competent with her ability to perform the surgery and with her matter of fact approach in explaining my need to follow her instructions to a T. She saved my foot and gave me back the ability to keep living my life to the fullest extent possible for a [omitted] who is active and enjoys the outdoors.

    • Reviewed on Jan 20, 2026
    • Verified Review

    because she is compassionate, attentive, and takes the time to thoroughly address concerns while providing excellent care.

    • Reviewed on Jan 18, 2026
    • Verified Review

    Excelente medico

    • Reviewed on Jan 15, 2026
    • Verified Review

    Felt very comfortable with her

    • Reviewed on Jan 11, 2026
    • Verified Review

    She is very knowledgeable and listened to me as I explained my problem. She had information and suggestions that have been very helpful.

    • Reviewed on Dec 30, 2025
    • Verified Review

    She explained how to take care of my condition.

    • Reviewed on Dec 26, 2025
    • Verified Review

    Her service was good

    • Reviewed on Dec 17, 2025
    • Verified Review

    Down to earth caring doctor. She made me totally comfortable and I had full confidence in her. She also has a great local reputation.

    • Reviewed on Dec 14, 2025
    • Verified Review

    Pro

    • Reviewed on Nov 19, 2025
    • Verified Review

    Did the best that could be done.

Page 1 of 2
  • About Katherine C. Ma, MD

    Dr. Katherine C. Ma is an orthopaedic surgeon providing musculoskeletal care. 0

    Philosophy of care

    Dr. Ma focuses on evidence-based treatment and restoring mobility and function.

    Gender

    Female

    Board certifications

    American Board of Orthopaedic Surgery

    Licenses

    NY, 269535

    Employed or contracted

    Employed

    Network Name

    CareMount

    NPI

    1992063382

  • Insurance Accepted

    This list is for informational purposes only and may not reflect the most current plans accepted by the provider. Optum accepts most major health insurance plans. Please contact your insurance company to confirm your coverage, eligibility, and the provider's participation in your plan.

    • 1199
    • Aetna
    • Affinity
    • Anthem BCBS
    • CDPHP
    • CHN
    • Centivo
    • Cigna
    • Coventry
    • EmblemHealth
    • First Health
    • Healthfirst
    • Humana
    • MVP Healthcare
    • MagnaCare
    • Medicaid
    • Medicare
    • MetroPlus
    • MultiPlan
    • NYSHIP
    • Northwell Direct
    • Oscar
    • Oxford
    • TRICARE
    • UMR
  • Medical School

    • New York Medical College

    Residency

    • Strong Memorial Hospital

    Fellowship

    • Strong Memorial Hospital

  • Awards and Publications