Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY E NASSAR
NPI 1811769441
Nurse Practitioner in Pittsburgh, PA

Active since October 26, 2023PECOS EnrolledAccepts Medicare Assignment
200 QUINN DR STE 160, PITTSBURGH, PA 15275(412) 722-1000(412) 722-1024 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 19, 2024, Oct 26, 2023 (2 updates tracked since 2023).

About Mary E Nassar NPPES

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

MARY E NASSAR (NPI 1811769441) is an individual nurse practitioner in Pittsburgh, Pennsylvania, licensed in Pennsylvania (SP027593) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, is affiliated with Allegheny General Hospital, and maintains a secondary practice location in Pittsburgh.

NPPES Registry Identity

NPI1811769441
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY E NASSAR
Location Address200 QUINN DR STE 160Pittsburgh, PA 15275-1055
Mailing Address200 Quinn Dr Ste 160Pittsburgh, PA 15275-1055 · (412) 722-1003 · Fax (412) 722-1024
Fax(412) 722-1024
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 26, 2023
Last NPPES UpdateJune 22, 20262 updates tracked since enumeration
NPPES CertifiedJune 22, 2026
NPI 1811769441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in PA · SP027593
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
200 QUINN DR STE 160, Pittsburgh, PA 15275

Secondary Practice Location 1

Location 12891 Banksville RdPittsburgh, PA 15216-2815 · Phone (412) 942-0702

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

Mary E Nassar 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 ID1355885443
PECOS Enrollment IDI20240701000534
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Allegheny General Hospital

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390050
Location320 East North AvenuePittsburgh, PA 15212 · Allegheny County
Emergency services

Jefferson Hospital

Acute Care Hospitals · Jefferson Hills, PA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390265
Location565 Coal Valley RoadJefferson Hills, PA 15025 · Allegheny County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15275 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
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 13

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

Internal Medicine
200 QUINN DR STE 160
PITTSBURGH, PA 15275
Physician Assistant (Medical)
200 QUINN DR STE 160
PITTSBURGH, PA 15275
Internal Medicine
200 QUINN DR STE 160
PITTSBURGH, PA 15275
Physician Assistant (Medical)
200 QUINN DR STE 160
PITTSBURGH, PA 15275
Physician Assistant
200 QUINN DR STE 160
PITTSBURGH, PA 15275
Nurse Practitioner (Family)
200 QUINN DR STE 160
PITTSBURGH, PA 15275
Family Medicine
200 QUINN DR STE 160
PITTSBURGH, PA 15275
Family Medicine
200 QUINN DR STE 160
PITTSBURGH, PA 15275

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 Mary Nassar's NPI number?

The NPI number for Mary Nassar is 1811769441. It was assigned to this individual provider in the NPPES registry on October 26, 2023.

Where is Mary Nassar located?

Mary Nassar practices at 200 Quinn Dr Ste 160, Pittsburgh, PA 15275. The listed phone number is (412) 722-1000.

What is Mary Nassar's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Nassar enrolled in Medicare?

Yes. Mary Nassar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mary Nassar affiliated with any hospitals?

According to CMS data, Mary Nassar is affiliated with Allegheny General Hospital and Jefferson Hospital.

When was this NPI record last updated?

The NPPES record for Mary Nassar was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.