Stephen Feinstone, M.D.
NPI 1083850655 · Internal Medicine Physician · Washington, DC
Stephen Feinstone, M.D. is a Internal Medicine Physician provider in Washington, DC (NPI 1083850655).
Provider details
- NPI number
- 1083850655
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD25794 (DC)
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
17 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
- 2009-01-01
- Last updated
- 2009-01-01
Frequently asked questions
- What is Stephen Feinstone's NPI number?
- Stephen Feinstone's National Provider Identifier (NPI) is 1083850655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Feinstone's specialty?
- Stephen Feinstone is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Feinstone located?
- Stephen Feinstone's practice location on file with NPPES is 3021 Cathedral Ave Nw, Washington, DC 20008-3408.
- What is Stephen Feinstone's phone number?
- The practice phone number listed in the NPPES registry for Stephen Feinstone is (202) 462-5068.
- Is Stephen Feinstone's NPI active?
- Yes — Stephen Feinstone's NPI (1083850655) is active in the NPPES registry as of the last update on 2009-01-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.