MR. PATRICK WILLIAM O'BRIEN PA
NPI 1124076757
Physician Assistant - Surgical in Phoenix, AZ

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

The NPI number for Patrick O'brien is 1124076757. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

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

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Patrick O'brien was last updated on January 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 05, 2006PECOS Enrolled

9225 N 3RD ST STE 307, EMCARE JOHN C LINCOLN MEDICAL CENTER, PHOENIX, AZ 85020(602) 870-6316(602) 870-6091 Get Directions Write a Review

NPPES record last updated: January 12, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 12, 2021, Aug 26, 2019 (2 updates tracked since 2019).

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About Mr. Patrick William O'brien Pa NPPES

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

MR. PATRICK WILLIAM O'BRIEN PA (NPI 1124076757) is an individual surgical provider in Phoenix, Arizona, licensed in Arizona (1320) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Charles.

NPPES Registry Identity

NPI1124076757

Entity TypeIndividualMale

Primary Taxonomy363AS0400X

Provider Legal NameMR. PATRICK WILLIAM O'BRIENCredential: PA

Location Address9225 N 3RD ST STE 307, EMCARE JOHN C LINCOLN MEDICAL CENTERPhoenix, AZ 85020-2466

Mailing Address9225 N 3rd St #307, Emcare Honor Health John C Lincoln Medical CenterPhoenix, AZ 85020 · (602) 430-3536 · Fax (602) 870-6091

Phone(602) 870-6316

Fax(602) 870-6091

Sole ProprietorNo

Enumeration DateMay 5, 2006

Last NPPES UpdateJanuary 12, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 12, 2021

✔ NPI 1124076757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in AZ · 1320

Also ListedPhysician AssistantTaxonomy 363A00000X · License 2010041704 (MO)

Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 1320 (AZ)

9225 N 3RD ST STE 307, Phoenix, AZ 85020

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Secondary Practice Location 1

Location 1300 1st Capitol DrSaint Charles, MO 63301-2844 · Phone (636) 947-5000 · Fax (636) 947-5090

Other Identifiers 1

Other1320AZ · State License Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Patrick William O'brien Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

51 services50 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

19 services18 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

15 services15 patients

Other Providers at the Same Location NPPES 4

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

ZEENA MERCHANT D.O.

Emergency Medicine

9225 N 3RD ST STE 307
PHOENIX, AZ 85020

Maricopa County (602) 870-6316

DR. BRYAN ANDREW KAYE MD

Emergency Medicine

9225 N 3RD ST STE 307
PHOENIX, AZ 85020

Maricopa County (602) 870-6316

LINKS SOCIAL SERVICES

Psychologist (Clinical)

9225 N 3RD ST STE 307
PHOENIX, AZ 85020

Maricopa County (602) 472-8586

DR. ROBERT JOHN MINTZ D.O.

Emergency Medicine

9225 N 3RD ST STE 307
PHOENIX, AZ 85020

Maricopa County (602) 870-6316

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick O'brien's NPI number?

The NPI number for Patrick O'brien is 1124076757. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Patrick O'brien located?

Patrick O'brien practices at 9225 N 3rd St Ste 307 Emcare John C Lincoln Medical Center, Phoenix, AZ 85020. The listed phone number is (602) 870-6316.

What is Patrick O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Patrick O'brien enrolled in Medicare?

Yes. Patrick O'brien is registered in the Medicare PECOS enrollment system.

What insurance does Patrick O'brien accept?

Health plans from Blue Cross Blue Shield of Arizona list Patrick O'brien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Patrick O'brien was last updated on January 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.