Marvin Gershengorn, M.D.
NPI 1114228137 · Endocrinology, Diabetes & Metabolism Physician · Bethesda, MD
Marvin Gershengorn, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Bethesda, MD (NPI 1114228137).
Provider details
- NPI number
- 1114228137
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 115854 (NY)
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
15 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
- 2010-11-08
- Last updated
- 2010-11-08
Frequently asked questions
- What is Marvin Gershengorn's NPI number?
- Marvin Gershengorn's National Provider Identifier (NPI) is 1114228137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Gershengorn's specialty?
- Marvin Gershengorn is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marvin Gershengorn located?
- Marvin Gershengorn's practice location on file with NPPES is 50 S Drive Msc 8029, Bethesda, MD 20892-0001.
- What is Marvin Gershengorn's phone number?
- The practice phone number listed in the NPPES registry for Marvin Gershengorn is (301) 451-6305.
- Is Marvin Gershengorn's NPI active?
- Yes — Marvin Gershengorn's NPI (1114228137) is active in the NPPES registry as of the last update on 2010-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.