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

Catherine Mary McMillan

Individual provider Internal Medicine Physician · NPI 1114580222

Catherine Mary McMillan is an Internal Medicine Physician in San Juan Capistrano, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019

Practice location Address checks out

30230 Rancho Viejo Rd Ste 200
San Juan Capistrano, CA 92675-1585
Phone: (949) 443-4303
Fax: (949) 443-4033
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 20A19880 (CA)

Record details

NPI number1114580222
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 16, 2019
Last updated in NPPESNovember 28, 2023
Certification dateNovember 28, 2023

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