William H. Geiger, M.D.
Psychiatry Physician · San Luis Obispo, CA
William H. Geiger, M.D. is a psychiatry physician with a practice address in San Luis Obispo, California, and NPI 1780687202, issued on May 30, 2005. Check the license (California C020773, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William H. Geiger
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C020773 CA
Self-reported in NPPES; status is on the state search - Practice location
- 138 Ramona Dr, San Luis Obispo, CA 93405
- Phone
- (805) 543-1382
- Enumerated
- May 30, 2005
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify William H. Geiger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C020773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William H. Geiger among 8,673 psychiatry physician records in California
William H. Geiger, M.D. 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 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).
39 psychiatry physician records list a practice address in San Luis Obispo
They are 39 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in San Luis Obispo → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Peter Afsari, D.O.San Luis Obispo, CA 934051013126143
- Enn Mannard, M.D.San Luis Obispo, CA 934051568523819
- Ray Rivas, M.D.San Luis Obispo, CA 934051003173816
- Douglas Schave, M.D.San Luis Obispo, CA 934051427263953
- Helen Vafaie, DOSan Luis Obispo, CA 934051003805458
- Leo Ingle, M.D.Los Osos, CA 934021831333590
- John Peake, M.D.Los Osos, CA 934021730324674
- Kathryn Unkel, M.D.Los Osos, CA 934021891710877
Common questions
What is William H. Geiger, M.D.'s NPI number?
William H. Geiger, M.D.'s National Provider Identifier (NPI) is 1780687202, issued on May 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William H. Geiger, M.D. located?
The NPPES record lists a practice address at 138 Ramona Dr, San Luis Obispo, CA, 93405. Phone: (805) 543-1382. Providers update this record themselves, so call before visiting.
How can I verify William H. Geiger, M.D.'s license?
NPPES lists California license number C020773, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.