John Wallmark, MD

Oncology

20+ years in practiceNPI: 1689755365Licensed in MD

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Credentials & Recognition

Specialties

Oncology

NPI sub-specialties

Internal Medicine, Hematology & Oncology207RH0003X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

20+ years

Estimated from NPI enumeration date

Frequently Asked Questions about Dr. John Wallmark, MD

Where does Dr. John Wallmark, MD practice?+
Dr. John Wallmark, MD practices in Maryland, MD. 9707 MEDICAL CENTER DR SUITE 300 ROCKVILLE, MD 208503348.
What is Dr. John Wallmark, MD's phone number?+
Dr. John Wallmark, MD's practice phone is 301-424-6231. Office contact information is verified on the PBCMMG profile.
What does Dr. John Wallmark, MD specialize in?+
Dr. John Wallmark, MD's primary specialty is Oncology.
Is Dr. John Wallmark, MD board certified?+
Board certification status for Dr. John Wallmark, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. John Wallmark, MD been practicing?+
Dr. John Wallmark, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. John Wallmark, MD's NPI number?+
Dr. John Wallmark, MD's National Provider Identifier (NPI) is 1689755365, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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