James Chan, M.D.
NPI 1972531135 · Neurological Surgery Physician · Westlake Village, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chan, M.D. is a Neurological Surgery Physician provider in Westlake Village, CA (NPI 1972531135).
Provider details
- NPI number
- 1972531135
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C38198 (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
- 2006-06-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Chan's NPI number?
- James Chan's National Provider Identifier (NPI) is 1972531135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chan's specialty?
- James Chan is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is James Chan located?
- James Chan's practice location on file with NPPES is 1250 La Venta Dr, Westlake Village, CA 91361-3702.
- What is James Chan's phone number?
- The practice phone number listed in the NPPES registry for James Chan is (805) 497-9484.
- Does James Chan accept Medicare?
- James Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chan's NPI active?
- Yes — James Chan's NPI (1972531135) 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.