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

Kathryn Rubio Rigonan, MD

Individual provider Internal Medicine Physician · NPI 1336234210

Kathryn Rubio Rigonan, MD is an Internal Medicine in Fountain Valley, California. Qualified in 1975, 51 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
51
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

11100 Warner Ave Ste 154
Fountain Valley, CA 92708
Phone: (714) 754-0100
Fax: (714) 754-6806
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 A51220 (CA)

Record details

NPI number1336234210
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1975 (51 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fountain Valley