Jonathan Baker, M.D.
NPI 1184954455 · Family Medicine Physician · Alpine, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Baker, M.D. is a Family Medicine Physician provider in Alpine, CA (NPI 1184954455).
Provider details
- NPI number
- 1184954455
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A64312 (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
16 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
- 2010-01-07
- Last updated
- 2021-01-29
- Certified
- 2021-01-29
Frequently asked questions
- What is Jonathan Baker's NPI number?
- Jonathan Baker's National Provider Identifier (NPI) is 1184954455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Baker's specialty?
- Jonathan Baker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Baker located?
- Jonathan Baker's practice location on file with NPPES is 1620 Alpine Blvd Ste 110, Alpine, CA 91901-1103.
- What is Jonathan Baker's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Baker is (619) 662-4100.
- Does Jonathan Baker accept Medicare?
- Jonathan Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Baker's NPI active?
- Yes — Jonathan Baker's NPI (1184954455) is active in the NPPES registry as of the last update on 2021-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.