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

Dr. Patrick Um, MD

Individual provider Emergency Medicine Physician · NPI 1225175227

Dr. Patrick Um, MD is an Emergency Medicine in Oxnard, California. Graduated from R Franklin University of Med & SCI/Chicago Medical School in 2005, 21 years ago. Practices with Cep America - California, a 1,267-clinician group and accepts Medicare assignment. Licensed in California and Maryland.

Years since qualifying
21
Trained at
R Franklin University of Med & SCI/Chicago Medical School
Licensed in
CA, MD
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1600 N Rose Ave
Oxnard, CA 93030-3722
Phone: (805) 988-2679
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A103916 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 092719-0 (MD)

Record details

NPI number1225175227
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 31, 2007
Last updated in NPPESApril 5, 2022
Certification dateApril 5, 2022
Mailing addressPo Box 6655, Fullerton, CA 92834-6655

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolR FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL
Graduated 2005 (21 years in practice)
Group practice Cep America - California — 1267 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Oxnard