Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William A. Vanhorn, MD

Individual provider Psychiatry Physician · NPI 1588620058

Dr. William A. Vanhorn, MD is a Psychiatry in Elk Grove, California. Graduated from University of South Alabama College of Medicine in 1986, 40 years ago. Accepts Medicare assignment. Licensed in California and North Carolina.

Years since qualifying
40
Trained at
University of South Alabama College of Medicine
Licensed in
CA, NC
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9340 E Stockton Blvd
Elk Grove, CA 95624-1563
Phone: (916) 509-8198
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G75572 (CA)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence 2014-00886 (NC)
Psychiatry Physician Taxonomy 2084P0800X · Licence 2014-00886 (NC)

Record details

NPI number1588620058
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2006
Last updated in NPPESAugust 1, 2026
Certification dateAugust 1, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF SOUTH ALABAMA COLLEGE OF MEDICINE
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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