Peter G O'brien, FNP - Medicare Nurse Practitioner in Murrieta, CA

Peter G O'brien, FNP is a medicare enrolled "Nurse Practitioner - Family" in Murrieta, California. He graduated from nursing school in 2016 and has 8 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice Southern California Urgent Care Network and his current practice location is 41880 Kalmia St Ste 100, Murrieta, California. You can reach out to his office (for appointments etc.) via phone at (951) 397-4226.

Peter G O'brien is licensed to practice in California (license number 95003926) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1639533490.

Contact Information

Peter G O'brien, FNP
41880 Kalmia St Ste 100,
Murrieta, CA 92562-8835
(951) 397-4226
(951) 461-6973

Map and Direction




Provider's Profile

Full NamePeter G O'brien
GenderMale
SpecialityNurse Practitioner
Experience8 Years
Location41880 Kalmia St Ste 100, Murrieta, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Peter G O'brien graduated from nursing school in 2016
  NPI Data:
  • NPI Number: 1639533490
  • Provider Enumeration Date: 04/07/2016
  • Last Update Date: 03/10/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 3274809678
  • Enrollment ID: I20191108002409

Medical Identifiers

Medical identifiers for Peter G O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639533490NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 95003926 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Urgent Care Network731528413014

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Peter G O'brien allows following entities to bill medicare on his behalf.
Entity NameSouthern California Spine & Joint Institute Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477003085
PECOS PAC ID: 6901185040
Enrollment ID: O20161114001788
Entity NameSouthern California Urgent Care Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861975500
PECOS PAC ID: 7315284130
Enrollment ID: O20190131001874

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Peter G O'brien is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Peter G O'brien, FNP
Po Box 3046,
Malvern, PA 19355-0746

Ph: (951) 397-4226
Peter G O'brien, FNP
41880 Kalmia St Ste 100,
Murrieta, CA 92562-8835

Ph: (951) 397-4226

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.