Gary Lazar, M.D.
NPI 1861769341 · Hematology & Oncology Physician · Encino, CA
Enrolled with Medicare as Order and Referring Only - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Lazar, M.D. is a Hematology & Oncology Physician provider in Encino, CA (NPI 1861769341).
Provider details
- NPI number
- 1861769341
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G034411 (CA)
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
14 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
- 2011-11-28
- Last updated
- 2011-11-28
Frequently asked questions
- What is Gary Lazar's NPI number?
- Gary Lazar's National Provider Identifier (NPI) is 1861769341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Lazar's specialty?
- Gary Lazar is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Lazar located?
- Gary Lazar's practice location on file with NPPES is 5342 Aldea Ave, Encino, CA 91316-2646.
- What is Gary Lazar's phone number?
- The practice phone number listed in the NPPES registry for Gary Lazar is (818) 990-9572.
- Does Gary Lazar accept Medicare?
- Gary Lazar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Lazar's NPI active?
- Yes — Gary Lazar's NPI (1861769341) is active in the NPPES registry as of the last update on 2011-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.