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

Dr. Garrett Christopher Daum, MD

Individual provider Psychiatry Physician · NPI 1053597138

Dr. Garrett Christopher Daum, MD is a Psychiatry Physician in Castro Valley, California. Practices as a sole proprietor. Licensed in California and Washington.

Licensed in
CA, WA
In the registry since
2008
Specialties on file
4
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

20980 Redwood Rd Ste 205
Castro Valley, CA 94546-5930
Phone: (510) 390-1930
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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 G55616 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence MD00040757 (WA)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence G65616 (CA)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence MD00040757 (WA)

Record details

NPI number1053597138
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 18, 2008
Last updated in NPPESJanuary 18, 2008
Mailing address25338 Buckeye Dr, Castro Valley, CA 94552-5462

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