Gerald Marti, MD, PHD
NPI 1427395300 · Hematology (Internal Medicine) Physician · Potomac, MD
Gerald Marti, MD, PHD is a Hematology (Internal Medicine) Physician provider in Potomac, MD (NPI 1427395300).
Provider details
- NPI number
- 1427395300
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0025897 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-01-11
- Last updated
- 2015-08-03
Frequently asked questions
- What is Gerald Marti's NPI number?
- Gerald Marti's National Provider Identifier (NPI) is 1427395300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Marti's specialty?
- Gerald Marti is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Marti located?
- Gerald Marti's practice location on file with NPPES is 11523 Gainsborough Rd, Potomac, MD 20854-3717.
- What is Gerald Marti's phone number?
- The practice phone number listed in the NPPES registry for Gerald Marti is (301) 706-4399.
- Is Gerald Marti's NPI active?
- Yes — Gerald Marti's NPI (1427395300) is active in the NPPES registry as of the last update on 2015-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.