MARY PETERSON
NPI 1871553792
Obstetrics & Gynecology in Pittsburgh, PA
About Mary Peterson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY PETERSON (NPI 1871553792) is an individual obstetrics & gynecology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD057194L) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Magee Womens Hospital Of Upmc Health System, and is a graduate of University Of Virginia School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Peterson 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.
Medicare Billing Reassignment
Medicare enrollment records show Mary Peterson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburgh, PA 15213
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Magee Womens Hospital Of Upmc Health System
Acute Care Hospitals · Pittsburgh, PAUpmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAPhysician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
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 Peterson's NPI number?
The NPI number for Mary Peterson is 1871553792. It was assigned to this individual provider in the NPPES registry on March 24, 2006.
Where is Mary Peterson located?
Mary Peterson practices at 300 Halket St Suite 0610, Pittsburgh, PA 15213. The listed phone number is (412) 641-6412.
What is Mary Peterson's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mary Peterson enrolled in Medicare?
Yes. Mary Peterson 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.
Which organization bills Medicare for Mary Peterson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Peterson 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 Mary Peterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Peterson affiliated with any hospitals?
According to CMS data, Mary Peterson is affiliated with Magee Womens Hospital Of Upmc Health System and Upmc Presbyterian Shadyside.
When was this NPI record last updated?
The NPPES record for Mary Peterson was last updated on April 6, 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.
# Mary Peterson · NPI 1871553792
Obstetrics & Gynecology physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 24, 2006.
## Identity
- **NPI:** 1871553792 (Entity type: Individual)
- **Enumerated:** March 24, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD057194L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 HALKET ST, SUITE 0610, Pittsburgh, PA 15213-3108
- **Phone:** (412) 641-6412
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Pittsburgh Physicians (NPI 1134187834, Pittsburgh, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** April 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871553792) · Data from the CMS NPPES public registry.