PETER A MROZ M.D.
NPI 1144585068
Obstetrics & Gynecology in Rochester, NY
About Peter A Mroz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER A MROZ M.D. (NPI 1144585068) is an individual obstetrics & gynecology provider in Rochester, New York, licensed in New York (265723) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Peter A Mroz M.d. 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 Reassignments
5Medicare enrollment records show Peter Mroz reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14607
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14608
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Rochester, NY 14618
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 clinicians in this Medicare group
Newark, NY 14513
- Reassigned Medicare billing, New York enrollment
- 679 clinicians in this Medicare group
Clifton Springs, NY 14432
- Reassigned Medicare billing, New York enrollment
- 872 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14607 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.
ROCHESTER, NY 14607
ROCHESTER, NY 14607
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 Peter Mroz's NPI number?
The NPI number for Peter Mroz is 1144585068. It was assigned to this individual provider in the NPPES registry on July 6, 2012.
Where is Peter Mroz located?
Peter Mroz practices at 222 Alexander St Suite 1100, Rochester, NY 14607. The listed phone number is (585) 922-8585.
What is Peter Mroz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Peter Mroz enrolled in Medicare?
Yes. Peter Mroz 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 organizations bill Medicare for Peter Mroz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Mroz reassigns Medicare benefits to 5 organizations: Rochester General Hospital (Rochester, NY), The Unity Hospital Of Rochester (Rochester, NY), Western New York Medical Practice, P.C. (Rochester, NY), Newark Wayne Community Hospital (Newark, NY) and Clifton Springs Sanitarium Co (Clifton Springs, NY). 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 Peter Mroz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Peter Mroz affiliated with any hospitals?
According to CMS data, Peter Mroz is affiliated with Rochester General Hospital.
When was this NPI record last updated?
The NPPES record for Peter Mroz was last updated on November 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Peter A Mroz, M.D. · NPI 1144585068
Obstetrics & Gynecology physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since July 6, 2012.
## Identity
- **NPI:** 1144585068 (Entity type: Individual)
- **Enumerated:** July 6, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 265723 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 222 ALEXANDER ST, SUITE 1100, Rochester, NY 14607-4039
- **Phone:** (585) 922-8585 · **Fax:** (585) 922-8555
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Rochester General Hospital (NPI 1760557656, Rochester, NY); The Unity Hospital Of Rochester (NPI 1689891178, Rochester, NY); Western New York Medical Practice, P.C. (NPI 1891467486, Rochester, NY); Newark Wayne Community Hospital (NPI 1346369212, Newark, NY); Clifton Springs Sanitarium Co (NPI 1366505463, Clifton Springs, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** November 18, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1144585068) · Data from the CMS NPPES public registry.