PETER G. O'BRIEN FNP
NPI 1639533490
Nurse Practitioner - Family in Murrieta, CA

Q: What is Peter O'brien's NPI number?

The NPI number for Peter O'brien is 1639533490. It was assigned to this individual provider in the NPPES registry on April 7, 2016.

Q: What is Peter O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Peter O'brien was last updated on March 10, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 07, 2016PECOS EnrolledAccepts Medicare Assignment

41880 KALMIA ST STE 100, MURRIETA, CA 92562(951) 397-4226(951) 461-6973 Get Directions Write a Review

NPPES record last updated: March 10, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Peter G. O'brien Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PETER G. O'BRIEN FNP (NPI 1639533490) is an individual family provider in Murrieta, California, licensed in California (95003926) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1639533490

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NamePETER G. O'BRIENCredential: FNP

Location Address41880 KALMIA ST STE 100Murrieta, CA 92562-8835

Mailing AddressPo Box 3046Malvern, PA 19355-0746 · (951) 397-4226 · Fax (951) 461-6973

Phone(951) 397-4226

Fax(951) 461-6973

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateApril 7, 2016

Last NPPES UpdateMarch 10, 2020

NPPES CertifiedMarch 10, 2020

✔ NPI 1639533490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95003926

41880 KALMIA ST STE 100, Murrieta, CA 92562

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Peter G. O'brien Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274809678

PECOS Enrollment IDI20191108002409

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

117 services111 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

52 services52 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

22 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92562 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASHLEY M ZERVIC PA-C

Physician Assistant