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

Dr. Ada Ruth Wolfsen, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1770663247

Dr. Ada Ruth Wolfsen, MD is an Endocrinology, Diabetes & Metabolism Physician in San Diego, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

4077 5th Ave Dept OF Medical Education Mer 35
San Diego, CA 92103-2105
Phone: (619) 686-3444
Fax: (619) 260-7305
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence A23375 (CA)

Record details

NPI number1770663247
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 17, 2006
Last updated in NPPESOctober 31, 2018

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