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

Barbara Jean Williams, MD

Individual provider Psychiatry Physician · NPI 1114163045

Barbara Jean Williams, MD is a Psychiatry Physician in San Luis Obispo, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
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 Address checks out

Hwy 1 Ca Mens Colony Psychiatry Dept
San Luis Obispo, CA 93409
Phone: (805) 547-7900
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence C41795 (CA)

Record details

NPI number1114163045
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 24, 2008
Last updated in NPPESDecember 24, 2008

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