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John Mascola, M.D.
NPI 1083790745 · Specialist · Bethesda, MD
John Mascola, M.D. is a Specialist provider in Bethesda, MD (NPI 1083790745).
Provider details
- NPI number
- 1083790745
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G59935 (CA)
Specialties & taxonomies
Other Service Providers
Other Service Providers
Profile Score
Detailed profile(90/100 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
National Naval Medical Ctr
8901 Rockville Pike
Bethesda, MD 20889-5600
Phone: (301) 295-4611
Approximate (ZIP-level) locationGet directions
Mailing address
Vaccine Research Center Niaid Nih
Bethesda, MD 20892-0001
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2025-09-11
Frequently asked questions
- What is John Mascola's NPI number?
- John Mascola's National Provider Identifier (NPI) is 1083790745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mascola's specialty?
- John Mascola is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Mascola located?
- John Mascola's practice location on file with NPPES is National Naval Medical Ctr, Bethesda, MD 20889-5600.
- What is John Mascola's phone number?
- The practice phone number listed in the NPPES registry for John Mascola is (301) 295-4611.
- Is John Mascola's NPI active?
- Yes — John Mascola's NPI (1083790745) 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.