Lewis Feder, M.D.
NPI 1679630370 · Dermatology Physician · New York, NY
Lewis Feder, M.D. is a Dermatology Physician provider in New York, NY (NPI 1679630370).
Provider details
- NPI number
- 1679630370
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 103672-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2016-04-12
Frequently asked questions
- What is Lewis Feder's NPI number?
- Lewis Feder's National Provider Identifier (NPI) is 1679630370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lewis Feder's specialty?
- Lewis Feder is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Lewis Feder located?
- Lewis Feder's practice location on file with NPPES is 965 Fifth Avenue, New York, NY 10075.
- What is Lewis Feder's phone number?
- The practice phone number listed in the NPPES registry for Lewis Feder is (212) 535-8700.
- Is Lewis Feder's NPI active?
- Yes — Lewis Feder's NPI (1679630370) is active in the NPPES registry as of the last update on 2016-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.