DR. MARTIN WILLIAM GRAF MD
NPI 1912012402
Internal Medicine in Rockville, MD

Active since August 21, 2006
15225 SHADY GROVE ROAD, ROCKVILLE, MD 20850(301) 948-5092(301) 977-7811 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Martin William Graf Md NPPES

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

DR. MARTIN WILLIAM GRAF MD (NPI 1912012402) is an individual internal medicine provider in Rockville, Maryland, licensed in Maryland (07162) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1912012402
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARTIN WILLIAM GRAFCredential: MD
Location Address15225 SHADY GROVE ROADRockville, MD 20850
Mailing Address5630 Wisconsin AveChevy Chase, MD 20815 · (301) 718-2823 · Fax (301) 977-7811
Fax(301) 977-7811
Sole ProprietorYes
Enumeration DateAugust 21, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1912012402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · 07162
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License 07162 (MD)

Other Providers at the Same Location NPPES 6

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

Dentist
15225 SHADY GROVE ROAD, STE 301 CHERYL F CALLAHAN DDS PA
ROCKVILLE, MD 20850
Internal Medicine (Clinical Cardiac Electrophysiology)
15225 SHADY GROVE ROAD, SUITE 201
ROCKVILLE, MD 20850
Internal Medicine
15225 SHADY GROVE ROAD, SUITE 102
ROCKVILLE, MD 20850
Internal Medicine
15225 SHADY GROVE ROAD, SUITE 104
ROCKVILLE, MD 20850
Nurse Practitioner (Adult Health)
15225 SHADY GROVE ROAD, SUITE 201
ROCKVILLE, MD 20850
Dentist (General Practice)
15225 SHADY GROVE ROAD, STE 301 CHERYL F CALLAHAN DDS PA
ROCKVILLE, MD 20850

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 Martin Graf's NPI number?

The NPI number for Martin Graf is 1912012402. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Martin Graf located?

Martin Graf practices at 15225 Shady Grove Road, Rockville, MD 20850. The listed phone number is (301) 948-5092.

What is Martin Graf's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Martin Graf was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.