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MARY MCMASTER M.D.
NPI 1407214281
Internal Medicine - Medical Oncology in Bethesda, MD

Active since February 08, 2016
9609 MEDICAL CENTER DR, BETHESDA, MD 20892(240) 276-7248 Get Directions Write a Review

NPPES record last updated: February 8, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary Mcmaster M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY MCMASTER M.D. (NPI 1407214281) is an individual medical oncology provider in Bethesda, Maryland, licensed in North Carolina (61455) and active in the NPI registry since February 2016.

NPPES Registry Identity

NPI1407214281
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameMARY MCMASTERCredential: M.D.
Location Address9609 MEDICAL CENTER DRBethesda, MD 20892-9769
Mailing Address9609 Medical Center DrBethesda, MD 20892-9769
Phone(240) 276-7248
Sole ProprietorNo
Enumeration DateFebruary 8, 2016
✔ NPI 1407214281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in NC · 61455
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
9609 MEDICAL CENTER DR, Bethesda, MD 20892
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAMES ZWIEBEL M.D.
Internal Medicine (Hematology & Oncology)
9609 MEDICAL CENTER DR, ROOM 5W-460, MSC 9739
BETHESDA, MD 20892
Montgomery County (240) 276-6565
DR. HELEN CHEN M.D.
Internal Medicine (Medical Oncology)
9609 MEDICAL CENTER DR, ROOM 5W456
BETHESDA, MD 20892
Montgomery County (240) 276-6565
DR. MALCOLM SMITH M.D., PH.D.
Pediatrics (Pediatric Hematology-Oncology)
9609 MEDICAL CENTER DR, RM 5-W414, MSC 9737
BETHESDA, MD 20892
Montgomery County (240) 276-6087
DR. RICHARD FOWLER LITTLE MD
Internal Medicine (Hematology & Oncology)
9609 MEDICAL CENTER DR, ROOM 5W426
BETHESDA, MD 20892
Montgomery County (240) 276-6093

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Mcmaster's NPI number?

The NPI number for Mary Mcmaster is 1407214281. It was assigned to this individual provider in the NPPES registry on February 8, 2016.

Where is Mary Mcmaster located?

Mary Mcmaster practices at 9609 Medical Center Dr, Bethesda, MD 20892. The listed phone number is (240) 276-7248.

What is Mary Mcmaster's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Mary Mcmaster was last updated on February 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.