Grigory Leontyev, MD
NPI 1346322054 · Surgery Physician · Oceanside, NY
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grigory Leontyev, MD is a Surgery Physician provider in Oceanside, NY (NPI 1346322054).
Provider details
- NPI number
- 1346322054
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 228112-1 (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
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
- 2006-10-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Grigory Leontyev's NPI number?
- Grigory Leontyev's National Provider Identifier (NPI) is 1346322054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grigory Leontyev's specialty?
- Grigory Leontyev is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Grigory Leontyev located?
- Grigory Leontyev's practice location on file with NPPES is 3304 Park Ave, Oceanside, NY 11572-4352.
- What is Grigory Leontyev's phone number?
- The practice phone number listed in the NPPES registry for Grigory Leontyev is (516) 270-2126.
- Does Grigory Leontyev accept Medicare?
- Grigory Leontyev is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grigory Leontyev's NPI active?
- Yes — Grigory Leontyev's NPI (1346322054) 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.