Jonathan Louis Baker, M.D.
Family Medicine Physician · Alpine, CA
Jonathan Louis Baker, M.D. is a family medicine physician with a practice address in Alpine, California, and NPI 1184954455, issued on Jan 7, 2010. Check the license (California A64312, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Louis Baker
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A64312 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1620 Alpine Blvd Ste 110, Alpine, CA 91901
- Phone
- (619) 662-4100
- Enumerated
- Jan 7, 2010
- Record last updated
- Jan 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1620 Alpine Blvd Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bianca Dube, M.DFamily Medicine Physician1740535152
- Firas Gorges, MDFamily Medicine Physician1891998118
Verify Jonathan Louis Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
14 Medicare Part D claims for 12 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Jonathan Louis Baker among 17,133 family medicine physician records in California
Jonathan Louis Baker, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family medicine physician records list a practice address in Alpine
They are 17 of the 292 NPPES records with a practice address in Alpine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Alpine → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Edwin Cabrera, M.D.Alpine, CA 919011801937107
- Jenaya Calderilla, D.O.Alpine, CA 919011407200306
- Arthi Chawla, MDAlpine, CA 919011225391410
- Brian Diep, MDAlpine, CA 919011144240631
- Bianca Dube, M.DAlpine, CA 919011740535152
- Firas Gorges, MDAlpine, CA 919011891998118
- Eric Greenberg, DOAlpine, CA 919011639161318
- Kenneth Ortiz, M.D.Alpine, CA 919011356761571
Common questions
What is Jonathan Louis Baker, M.D.'s NPI number?
Jonathan Louis Baker, M.D.'s National Provider Identifier (NPI) is 1184954455, issued on Jan 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Louis Baker, M.D. located?
The NPPES record lists a practice address at 1620 Alpine Blvd Ste 110, Alpine, CA, 91901. Phone: (619) 662-4100. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Louis Baker, M.D.'s license?
NPPES lists California license number A64312, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Louis Baker, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Louis Baker, M.D. had 14 Medicare Part D claims for 12 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.