James Chen, M.D.
NPI 1265495691 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chen, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1265495691).
Provider details
- NPI number
- 1265495691
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A86644 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4094 4th AveSan Diego, CA 92103-2143Phone: (619) 515-2545
Registry dates
- Enumerated
- 2006-04-07
- Last updated
- 2025-02-06
- Certified
- 2025-02-06
Frequently asked questions
- What is James Chen's NPI number?
- James Chen's National Provider Identifier (NPI) is 1265495691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chen's specialty?
- James Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Chen located?
- James Chen's practice location on file with NPPES is 11513 Trailbrook Ln, San Diego, CA 92128-6340.
- What is James Chen's phone number?
- The practice phone number listed in the NPPES registry for James Chen is (619) 955-7783.
- Does James Chen accept Medicare?
- James Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chen's NPI active?
- Yes — James Chen's NPI (1265495691) is active in the NPPES registry as of the last update on 2025-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.