Leon Ewin, MD
NPI 1437226313 · Family Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Ewin, MD is a Family Medicine Physician provider in Los Angeles, CA (NPI 1437226313).
Provider details
- NPI number
- 1437226313
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G48003 (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
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
- 2006-11-29
- Last updated
- 2021-12-01
Frequently asked questions
- What is Leon Ewin's NPI number?
- Leon Ewin's National Provider Identifier (NPI) is 1437226313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Ewin's specialty?
- Leon Ewin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leon Ewin located?
- Leon Ewin's practice location on file with NPPES is 4760 W Sunset Blvd, Los Angeles, CA 90027-6063.
- What is Leon Ewin's phone number?
- The practice phone number listed in the NPPES registry for Leon Ewin is (323) 783-4011.
- Does Leon Ewin accept Medicare?
- Leon Ewin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Ewin's NPI active?
- Yes — Leon Ewin's NPI (1437226313) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.