John H. Baker, MD
Psychiatry Physician · Auburn, CA
John H. Baker, MD is a psychiatry physician with a practice address in Auburn, California, and NPI 1548632698, issued on Oct 28, 2015. Check the license (California G18929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John H. Baker
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G18929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2775 Richardson Dr, Auburn, CA 95603
- Phone
- (209) 483-8589
- Enumerated
- Oct 28, 2015
- Record last updated
- Oct 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2775 Richardson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emmett Ziegler, NPFamily Nurse Practitioner1730967266
Verify John H. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G18929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
15 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
John H. Baker among 8,673 psychiatry physician records in California
John H. Baker, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Auburn → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Daniyal Iqbal, DOAuburn, CA 956031972130722
- Douglas Lidge, MDAuburn, CA 956031508047168
- Blair Romer, M.D.Auburn, CA 956031639172190
- Michael Tyler, M.D.Auburn, CA 956031902868847
- Floyd WestendorpAuburn, CA 956031194744581
- Daniel Binus, MDAuburn, CA 956021205045028
- Nicholas Cornes, MDWest Sacramento, CA 956051811046865
- Pallavi Rajput, M.D.Carmichael, CA 956081306109657
Common questions
What is John H. Baker, MD's NPI number?
John H. Baker, MD's National Provider Identifier (NPI) is 1548632698, issued on Oct 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is John H. Baker, MD located?
The NPPES record lists a practice address at 2775 Richardson Dr, Auburn, CA, 95603. Phone: (209) 483-8589. Providers update this record themselves, so call before visiting.
How can I verify John H. Baker, MD's license?
NPPES lists California license number G18929, 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 John H. Baker, MD prescribe under Medicare Part D?
In 2024, John H. Baker, MD had 15 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.