William Horton, PSY D
Psychologist · San Francisco, CA
William Horton, PSY D is a psychologist with a practice address in San Francisco, California, and NPI 1215205547, issued on Dec 1, 2011. Check the license (California PSY16088, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Horton
- Credential
- PSY D
- Primary taxonomy
- Psychologist 103T00000X
- License numbers
- PSY16088 CA
LPY11 FL
Self-reported in NPPES; status is on the state search - Practice location
- 580 California St FL 12, San Francisco, CA 94104
- Phone
- (941) 408-8551
- Enumerated
- Dec 1, 2011
- Entity
- Type 1 · individual
Also registered at 580 California St FL 12
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Esther BoutrosProfessional Counselor1144024035
Verify William Horton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY16088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
504 psychologist records list a San Francisco practice address
They are 504 of the 38,143 NPPES records with a San Francisco practice address, and 7,178 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 504 in San Francisco → All 7,178 in California → Every provider in San Francisco →
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- Elham Abouhamzeh, PSY.DIrvine, CA1386092880
- Carine AbouseifSalinas, CA1760832224
- Mackenzie Abraham, PHDRedondo Beach, CA1881053833
- Twylla Abrahamson, PH.D.Auburn, CA1700815875
- Samantha Abram, BASan Francisco, CA1326540436
Common questions
What is William Horton, PSY D's NPI number?
William Horton, PSY D's National Provider Identifier (NPI) is 1215205547, issued on Dec 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William Horton, PSY D located?
The NPPES record lists a practice address at 580 California St FL 12, San Francisco, CA, 94104. Phone: (941) 408-8551. Providers update this record themselves, so call before visiting.
How can I verify William Horton, PSY D's license?
NPPES lists California license number PSY16088, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.