Martin Brownstein, M.D.
NPI 1386646693 · Dermatopathology Physician · Port Washington, NY
Martin Brownstein, M.D. is a Dermatopathology Physician provider in Port Washington, NY (NPI 1386646693).
Provider details
- NPI number
- 1386646693
- Entity type
- Individual
- Primary specialty
- Dermatopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 087998 (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
21 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
- 2005-06-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martin Brownstein's NPI number?
- Martin Brownstein's National Provider Identifier (NPI) is 1386646693, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Brownstein's specialty?
- Martin Brownstein is listed in the NPPES registry with a primary specialty of Dermatopathology Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Brownstein located?
- Martin Brownstein's practice location on file with NPPES is 2 N Plandome Rd, Port Washington, NY 11050-3443.
- What is Martin Brownstein's phone number?
- The practice phone number listed in the NPPES registry for Martin Brownstein is (516) 944-3882.
- Is Martin Brownstein's NPI active?
- Yes — Martin Brownstein's NPI (1386646693) 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.