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

Dr. Peter F Keenan III, MD

Individual provider Emergency Medicine Physician · NPI 1699068601

Dr. Peter F Keenan III, MD is an Emergency Medicine in Los Alamitos, California. Graduated from Boston University School of Medicine in 2011, 15 years ago. Practices with Regents of the University Of, a 125-clinician group and accepts Medicare assignment. Licensed in California and Texas.

Years since qualifying
15
Trained at
Boston University School of Medicine
Licensed in
CA, TX
In the registry since
2011
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

3751 Katella Ave
Los Alamitos, CA 90720-3113
Phone: (562) 598-1311
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 140040 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence Q3901 (TX)

Record details

NPI number1699068601
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2011
Last updated in NPPESMarch 26, 2025
Certification dateMarch 26, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Regents Of The University Of — 125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Los Alamitos