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

Dr. Thomas R Powers, MD

Individual provider Psychiatry Physician · NPI 1780778407

Dr. Thomas R Powers, MD is a Psychiatry Physician in Castro Valley, 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.

See every abbreviation used in this directory →

Practice location Address checks out

20055 Lake Chabot Rd #350
Castro Valley, CA 94546
Phone: (510) 889-0422
Fax: (510) 538-8343
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G-23847 (CA)

Record details

NPI number1780778407
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 9, 2007
Mailing address20055 Lake Chabot Rd #350, Castro Valley, CA 94546

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