Leland Gershell, M.D., PH.D.
NPI 1639493976 · General Practice Physician · New York, NY
Leland Gershell, M.D., PH.D. is a General Practice Physician provider in New York, NY (NPI 1639493976).
Provider details
- NPI number
- 1639493976
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 230701 (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
16 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
- 2010-03-16
- Last updated
- 2010-03-16
Frequently asked questions
- What is Leland Gershell's NPI number?
- Leland Gershell's National Provider Identifier (NPI) is 1639493976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leland Gershell's specialty?
- Leland Gershell is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Leland Gershell located?
- Leland Gershell's practice location on file with NPPES is 201 E 77th St, New York, NY 10075-2069.
- What is Leland Gershell's phone number?
- The practice phone number listed in the NPPES registry for Leland Gershell is (212) 737-6154.
- Is Leland Gershell's NPI active?
- Yes — Leland Gershell's NPI (1639493976) is active in the NPPES registry as of the last update on 2010-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.