Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mary E Nassar

Individual provider Nurse Practitioner · NPI 1811769441

Mary E Nassar is a Nurse Practitioner in Pittsburgh, Pennsylvania. Qualified in 2022, 4 years ago. Practices with Allegheny Clinic, a 2,300-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
4
Licensed in
PA
In the registry since
2023
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Practice location Address checks out

200 Quinn Dr Ste 160
Pittsburgh, PA 15275-1055
Phone: (412) 722-1000
Fax: (412) 722-1024
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2891 Banksville Rd, Pittsburgh, PA 15216-2815 — (412) 942-0702

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence SP027593 (PA)

Record details

NPI number1811769441
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 26, 2023
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Allegheny Clinic — 2300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients17
Services billed 37 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $1,063 64 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Allegheny Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2300 clinicians in the practice; 12 are shown here.

Other providers in Pittsburgh