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Gregory Dennis, M.D.
NPI 1508083106 · Specialist · Bethesda, MD
Gregory Dennis, M.D. is a Specialist provider in Bethesda, MD (NPI 1508083106).
Provider details
- NPI number
- 1508083106
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R4G41 (MO)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(89/100 index)
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
9000 Rockville Pike
Nih Clinical Center
Bethesda, MD 20892-0001
Phone: (301) 461-4381
Approximate (ZIP-level) locationGet directions
Mailing address
12440 Ansin Circle Dr
Potomac, MD 20854
Registry dates
- Enumerated
- 2007-04-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Dennis's NPI number?
- Gregory Dennis's National Provider Identifier (NPI) is 1508083106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Dennis's specialty?
- Gregory Dennis is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Gregory Dennis located?
- Gregory Dennis's practice location on file with NPPES is 9000 Rockville Pike, Bethesda, MD 20892-0001.
- What is Gregory Dennis's phone number?
- The practice phone number listed in the NPPES registry for Gregory Dennis is (301) 461-4381.
- Is Gregory Dennis's NPI active?
- Yes — Gregory Dennis's NPI (1508083106) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.