DR. MARY M BONAR D.O.
NPI 1073770699
Emergency Medicine in Harrisburg, PA
About Dr. Mary M Bonar D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY M BONAR D.O. (NPI 1073770699) is an individual emergency medicine provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (OS015469) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mary M Bonar D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mary Bonar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harrisburg, PA 17101
- Reassigned Medicare billing, Pennsylvania enrollment
- 209 clinicians in this Medicare group
Pittsburgh, PA 15224
- Reassigned Medicare billing, Pennsylvania enrollment
- 45 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HARRISBURG, PA 17101
HARRISBURG, PA 17101
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 Bonar's NPI number?
The NPI number for Mary Bonar is 1073770699. It was assigned to this individual provider in the NPPES registry on May 21, 2008.
Where is Mary Bonar located?
Mary Bonar practices at 111 S Front St, Harrisburg, PA 17101. The listed phone number is (717) 782-3380.
What is Mary Bonar's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mary Bonar enrolled in Medicare?
Yes. Mary Bonar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Bonar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Bonar reassigns Medicare benefits to 2 organizations: Pinnacle Health Emergency Department Services LLC (Harrisburg, PA) and Ahn Emergency Group Of West Penn Ltd. (Pittsburgh, PA). Each 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 Bonar'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 Mary Bonar was last updated on March 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.