Martin Graf, MD
NPI 1912012402 · Internal Medicine Physician · Rockville, MD
Martin Graf, MD is a Internal Medicine Physician provider in Rockville, MD (NPI 1912012402).
Provider details
- NPI number
- 1912012402
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 07162 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2025-09-11
Frequently asked questions
- What is Martin Graf's NPI number?
- Martin Graf's National Provider Identifier (NPI) is 1912012402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Graf's specialty?
- Martin Graf is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Graf located?
- Martin Graf's practice location on file with NPPES is 15225 Shady Grove Road, Rockville, MD 20850.
- What is Martin Graf's phone number?
- The practice phone number listed in the NPPES registry for Martin Graf is (301) 948-5092.
- Is Martin Graf's NPI active?
- Yes — Martin Graf's NPI (1912012402) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.