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

William Provosty, MD

Individual provider Forensic Psychiatry Physician · NPI 1003440223

William Provosty, MD is a Forensic Psychiatry Physician in Los Angeles, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2020
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 86125
Los Angeles, CA 90086-0125
Phone: (323) 409-4942
Show map & directions

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

Specialties & licences

Forensic Psychiatry Physician (primary) Taxonomy 2084F0202X · Licence A200462 (CA)

Record details

NPI number1003440223
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 26, 2020
Last updated in NPPESNovember 10, 2025
Certification dateNovember 10, 2025

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