Skip to main content
Informational

Attention patients:

Starting Nov. 8, 2025, you will need to enroll in MyChart, your new patient portal, to contact your provider, request medications or see test results.

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
Mark R Lamb, MD

Mark R Lamb, MD

Optum Provider

Specialty

Family Medicine

Languages

English

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.8

22 reviews

  • Apr 30, 2026
    Verified Review

    Communication and follow up was excellent.

  • Apr 29, 2026
    Verified Review

    Attentive and thorough. Takes time to listen to my concerns and provides a path for my care.

  • Apr 25, 2026
    Verified Review

    Mark has been Car-ring for myself for twenty years

  • Apr 16, 2026
    Verified Review

    Love him, always willing to listen

  • Apr 14, 2026
    Verified Review

    I liked him and thought he was thorough.

  • Apr 7, 2026
    Verified Review

    I have been with Dr. Lamb for close to 20 years I guess. Dr. Lamb has always been an excellent doctor as a person and as a doctor!

  • Apr 7, 2026
    Verified Review

    Dr Lamb is awesome

  • Apr 6, 2026
    Verified Review

    He’s amazing, always listens to everything, he’s compassionate and caring and helps with every single concern I’ve ever had.

  • Apr 3, 2026
    Verified Review

    Friendly, competent cate

  • Mar 25, 2026
    Verified Review

    Pleasant and easy to talk to

  • Mar 20, 2026
    Verified Review

    He came in prior to the procedure, explained the procedure and also came in after the procedure to check on me.

  • Mar 19, 2026
    Verified Review

    Because he cares about his patience, he is thorough and he listens and he knows what he’s doing he is very knowledgeable and many areas

  • Mar 12, 2026
    Verified Review

    Prefer not to recommend regarding medical issues to others

  • Mar 10, 2026
    Verified Review

    Very caring and informative

  • Mar 10, 2026
    Verified Review

    I feel like he listens and offers sensable solutions. I feel like he is knowledgeable and genuinely cares.

  • Mar 9, 2026
    Verified Review

    Same as before, only make recommendations if solicited.

  • Mar 4, 2026
    Verified Review

    I saw Dr. Lamb instead of my PCP as the schedule was full. Dr. L,amb listened. He was kind and caring. Got me the help I needed.

  • Mar 4, 2026
    Verified Review

    Satisfied

  • Mar 4, 2026
    Verified Review

    Compassionate, kind, listens, refers when needed. Great Doctor!!

  • Feb 13, 2026
    Verified Review

    Dr. Lamb genuinely cares about his patience and does a wonderful job

Page 1 of 2
  • Gender

    Male

    Board certifications

    American Board of Family Medicine

    Employed or contracted

    Employed

    Network Name

    Optum Indiana

    NPI

    1316036213

  • 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.

    • Most major plans accepted
    • please call to verify.
  • Medical School

    • Indiana University, School of Medicine

      Family Medicine

    Residency

    • Community Hospital

    Internship

    • Community Hospital