MICHAEL EMMET O'BRIEN
NPI 1043686462
Internal Medicine - Pulmonary Disease in Pittsburgh, PA

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

The NPI number for Michael O'brien is 1043686462. It was assigned to this individual provider in the NPPES registry on August 19, 2015.

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

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Michael O'brien was last updated on August 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 August 19, 2015PECOS Enrolled

3459 5TH AVE, UPMC MUH NW628, PITTSBURGH, PA 15213(412) 692-2210 Get Directions Write a Review

NPPES record last updated: August 19, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Michael Emmet O'brien NPPES

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

MICHAEL EMMET O'BRIEN (NPI 1043686462) is an individual pulmonary disease provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MT208013) and active in the NPI registry since August 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043686462

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameMICHAEL EMMET O'BRIEN

Location Address3459 5TH AVE, UPMC MUH NW628Pittsburgh, PA 15213-3236

Mailing Address3459 5th Ave, Upmc Muh Nw628Pittsburgh, PA 15213-3236 · (412) 692-2210

Phone(412) 692-2210

Sole ProprietorNo

Enumeration DateAugust 19, 2015

✔ NPI 1043686462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in PA · MT208013

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

3459 5TH AVE, Pittsburgh, PA 15213

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Emmet O'brien 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.

Medicare Billing Reassignment

Medicare enrollment records show Michael O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Pittsburgh Physicians

0.1 mi

Internal Medicine

3500 5TH AVE, 4TH FLOOR
Pittsburgh, PA 15213

Reassigned Medicare billing, Pennsylvania enrollment
7,114 clinicians in this Medicare group

NPI 1548433527 (412) 682-2434

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15213 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

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

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.

Other Providers at the Same Location NPPES 20

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

MRS. LORI SMITH MACEDONIA

Physician Assistant (Medical)

3459 5TH AVE, 4 WEST MONTEFIORE HOSPITAL, ALZHEIMER RESEARCH CENTER
PITTSBURGH, PA 15213

Allegheny County (412) 692-2700

DR. ANGELA CORINNE WILLIAMS MD

Physical Medicine & Rehabilitation

3459 5TH AVE
PITTSBURGH, PA 15213

Allegheny County (412) 647-2345

MRS. SUSAN AUDREY STARK MS, RD, LD

Dietitian, Registered

3459 5TH AVE
PITTSBURGH, PA 15213

Allegheny County (412) 647-2906

DANIEL SULLIVAN

Internal Medicine

3459 5TH AVE, UPMC MONTEFIORE NW628
PITTSBURGH, PA 15213

Allegheny County (412) 692-2213

MRS. MARGARET ANN STOEFF CRNP

Nurse Practitioner (Family)

3459 5TH AVE, NW 628
PITTSBURGH, PA 15213

Allegheny County (412) 692-2210

CHELSEA STEWART

Physician Assistant

3459 5TH AVE, 2ND FLOOR RADIOLOGY
PITTSBURGH, PA 15213

Allegheny County (412) 647-5800

ALLISON GAYLE AGNONE DNP

Clinical Nurse Specialist (Acute Care)

3459 5TH AVE, 4 WEST MONTEFIORE HOSPITAL
PITTSBURGH, PA 15213

Allegheny County (412) 692-2717

DR. AMIT BASU MD

Specialist

3459 5TH AVE, N725
PITTSBURGH, PA 15213

Allegheny County (412) 647-5730

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 Michael O'brien's NPI number?

The NPI number for Michael O'brien is 1043686462. It was assigned to this individual provider in the NPPES registry on August 19, 2015.

Where is Michael O'brien located?

Michael O'brien practices at 3459 5th Ave Upmc Muh Nw628, Pittsburgh, PA 15213. The listed phone number is (412) 692-2210.

What is Michael O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Michael O'brien enrolled in Medicare?

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

Which organization bills Medicare for Michael O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael O'brien reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael O'brien was last updated on August 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.