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Dr. John Wallmark, MD

Dr. John Wallmark, MD

Age 57 Medical Oncology M
(25) 25 reviews

Telehealth available


Dr. John Wallmark, MD is a medical oncology specialist in Rockville, MD. Dr. Wallmark completed a residency at University Of Nc Hosps. He currently practices at Maryland Oncology - Rockville and is affiliated with Adventist Healthcare Shady Grove Medical Center. He accepts multiple insurance plans. Dr. Wallmark is board certified in Hematology.


  • University Of Nc Hosps, Residency Hospital
  • University Of Pa Health System, Residency Hospital
  • Hahnemann School of Medicine, Allegheny University of Health Sciences, Medical School — 1992

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • MultiPlan

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  1. Maryland Oncology - Rockville

    1. 1
      Maryland Oncology - Rockville
      9905 Medical Center Dr Ste 200, Rockville, MD 20850 Existing Patients: (301) 424-6231
  1. Maryland Oncology - Bethesda

    1. 2
      Maryland Oncology - Bethesda
      6420 Rockledge Dr Ste 4200, Bethesda, MD 20817 Existing Patients: (301) 424-6231

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I have great faith in Dr. Wallmark, realizing he is astute in knowing which treatments are the best for my type of cancer. I find him to be a concerning and caring doctor.
Kathleen Kral — Jul 08, 2021
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Dr. John Wallmark, MD
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Frequently Asked Questions

Dr. Wallmark frequently treats Anemia, Neutropenia, and Deep Vein Thrombosis (DVT).  

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Hospital Affiliations

  • Adventist Healthcare Shady Grove Medical Center
  • Suburban Hospital