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

Judy S. Bertelsen, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1881747426

Judy S. Bertelsen, MD is a Geriatric Medicine (Internal Medicine) Physician in Alameda, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

2401 Blanding Ave
Alameda, CA 94501-1503
Phone: (510) 486-1467
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 G79823 (CA)

Record details

NPI number1881747426
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 18, 2007
Last updated in NPPESJanuary 16, 2009
Mailing addressPo Box 2774, Berkeley, CA 94702-0774