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

Dr. William Arroyo, MD

Individual provider Psychiatry Physician · NPI 1285701821

Dr. William Arroyo, MD is a Psychiatry Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

550 S Vermont Ave
Los Angeles, CA 90020-1912 Not confirmed with CMS for 13 years — call before visiting
Phone: (213) 738-6152
Fax: (213) 738-4646
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G41407 (CA)

Record details

NPI number1285701821
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 29, 2006
Last updated in NPPESFebruary 25, 2013

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