Leon Hazarian, NP
NPI 1821218769 · Adult Health Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Hazarian, NP is a Adult Health Nurse Practitioner provider in New York, NY (NPI 1821218769).
Provider details
- NPI number
- 1821218769
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 304460 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2007-04-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leon Hazarian's NPI number?
- Leon Hazarian's National Provider Identifier (NPI) is 1821218769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Hazarian's specialty?
- Leon Hazarian is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Leon Hazarian located?
- Leon Hazarian's practice location on file with NPPES is 560 1st Ave, New York, NY 10016-6402.
- What is Leon Hazarian's phone number?
- The practice phone number listed in the NPPES registry for Leon Hazarian is (212) 263-8134.
- Does Leon Hazarian accept Medicare?
- Leon Hazarian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Hazarian's NPI active?
- Yes — Leon Hazarian's NPI (1821218769) 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.