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

Betsy Felser, MD

Individual provider Internal Medicine Physician · NPI 1144292897

Betsy Felser, MD is an Internal Medicine Physician in Pasadena, 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.

See every abbreviation used in this directory →

Practice location Address checks out

10 Congress St Ste 202
Pasadena, CA 91105-3023
Phone: (626) 844-9111
Fax: (626) 844-0255
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G84832 (CA)

Record details

NPI number1144292897
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 6, 2006
Last updated in NPPESJuly 8, 2007

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