William A. Vanhorn, MD
Psychiatry Physician · Elk Grove, CA
William A. Vanhorn, MD is a psychiatry physician with a practice address in Elk Grove, California, and NPI 1588620058, issued on Apr 25, 2006. Check the license (California G75572, 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 A. Vanhorn
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- G75572 CA
2014-00886 NC
Self-reported in NPPES; status is on the state search - Practice location
- 9340 E Stockton Blvd, Elk Grove, CA 95624
- Phone
- (916) 509-8198
- Enumerated
- Apr 25, 2006
- Record last updated
- Aug 1, 2026
- Medicare enrollment
- Enrolled (PECOS I20260409002369); accepts Medicare assignment
- Medical or professional school
- University Of South Alabama College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 9340 E Stockton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leah Lorraine Abalon, LVNLicensed Practical Nurse1497401129
- Catalina AlvaradoAdult Companion1922938646
- Akua ArmstrongAdult Companion1306659297
- Sharon BakerCase Manager/Care Coordinator1144912882
- Anabia BalouchAdult Companion1730055492
- Latasha BrittCommunity Health Worker1073324638
Verify William A. Vanhorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75572Check 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 A. Vanhorn among 8,673 psychiatry physician records in California
William A. Vanhorn, 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 not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1986 · median 2005 among the 3,295 with a school on file
- 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).
Psychiatry Physician providers in California
There are 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 Elk Grove → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jesse Koskey, MDElk Grove, CA 956241730566134
- Vishal Patel, M.D.Elk Grove, CA 956241225292642
- Shaun Rafael, D.O.Citrus Heights, CA 956211093116766
- Marietta Almazan, M.D.Fair Oaks, CA 956281740369727
- Irwin Lyons, MDFair Oaks, CA 956281932388113
- Laurie Peters, M.D.Fair Oaks, CA 956281942389929
- Richard Sanchez, M.D.Fair Oaks, CA 956281891874871
- Robert Spensley, MDFair Oaks, CA 956281649270802
Common questions
What is William A. Vanhorn, MD's NPI number?
William A. Vanhorn, MD's National Provider Identifier (NPI) is 1588620058, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Vanhorn, MD located?
The NPPES record lists a practice address at 9340 E Stockton Blvd, Elk Grove, CA, 95624. Phone: (916) 509-8198. Providers update this record themselves, so call before visiting.
How can I verify William A. Vanhorn, MD's license?
NPPES lists California license number G75572, 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.