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

Dr. Catherine K. Buchanan, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1114903341

Dr. Catherine K. Buchanan, MD is a Geriatric Medicine (Internal Medicine) Physician in Oakland, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

100 Bay Pl
Oakland, CA 94610-4448
Phone: (510) 891-8519
Show map & directions

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

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence A90592 (CA)

Record details

NPI number1114903341
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 20, 2005
Last updated in NPPESDecember 7, 2011
Mailing address3300 Webster St, Suite 907, Oakland, CA 94609-3117

Other providers in Oakland