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