Leslie Feigin
NPI 1447336250 · Geriatric Medicine (Internal Medicine) Physician · Denville, NJ
Leslie Feigin is a Geriatric Medicine (Internal Medicine) Physician provider in Denville, NJ (NPI 1447336250).
Provider details
- NPI number
- 1447336250
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MA29064 (NJ)
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
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
- 2006-10-27
- Last updated
- 2008-07-07
Frequently asked questions
- What is Leslie Feigin's NPI number?
- Leslie Feigin's National Provider Identifier (NPI) is 1447336250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Feigin's specialty?
- Leslie Feigin is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie Feigin located?
- Leslie Feigin's practice location on file with NPPES is 56 Diamond Spring Rd, Denville, NJ 07834-2725.
- What is Leslie Feigin's phone number?
- The practice phone number listed in the NPPES registry for Leslie Feigin is (973) 625-1000.
- Is Leslie Feigin's NPI active?
- Yes — Leslie Feigin's NPI (1447336250) is active in the NPPES registry as of the last update on 2008-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.