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

Peter G. O'Brien, FNP

Individual provider Family Nurse Practitioner · NPI 1639533490

Peter G. O'Brien, FNP is a Nurse Practitioner in Murrieta, California. Qualified in 2016, 10 years ago. Practices with Southern California Urgent Care Network, a 15-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

41880 Kalmia St Ste 100
Murrieta, CA 92562-8835
Phone: (951) 397-4226
Fax: (951) 461-6973
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95003926 (CA)

Record details

NPI number1639533490
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedApril 7, 2016
Last updated in NPPESMarch 10, 2020
Certification dateMarch 10, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Southern California Urgent Care Network — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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