Leon Chan, MD
NPI 1578630380 · Internal Medicine Physician · Panorama City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Chan, MD is a Internal Medicine Physician provider in Panorama City, CA (NPI 1578630380).
Provider details
- NPI number
- 1578630380
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A66389 (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 Chan's NPI number?
- Leon Chan's National Provider Identifier (NPI) is 1578630380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Chan's specialty?
- Leon Chan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leon Chan located?
- Leon Chan's practice location on file with NPPES is 13652 Cantara St, Panorama City, CA 91402-5423.
- What is Leon Chan's phone number?
- The practice phone number listed in the NPPES registry for Leon Chan is (818) 375-2000.
- Does Leon Chan accept Medicare?
- Leon Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Chan's NPI active?
- Yes — Leon Chan's NPI (1578630380) 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.