DR. STEPHEN A MENDELSON
NPI 1841265501
Orthopaedic Surgery in Pittsburgh, PA
About Dr. Stephen A Mendelson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN A MENDELSON (NPI 1841265501) is an individual orthopaedic surgery provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD059522L) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Stephen A Mendelson is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Stephen Mendelson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15224
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Erie, PA 16505
- Reassigned Medicare billing, Pennsylvania enrollment
- 30 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15224 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 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
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 Stephen Mendelson's NPI number?
The NPI number for Stephen Mendelson is 1841265501. It was assigned to this individual provider in the NPPES registry on February 17, 2006.
Where is Stephen Mendelson located?
Stephen Mendelson practices at 4401 Penn Ave, Pittsburgh, PA 15224. The listed phone number is (412) 692-5530.
What is Stephen Mendelson's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Stephen Mendelson enrolled in Medicare?
Yes. Stephen Mendelson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stephen Mendelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Mendelson reassigns Medicare benefits to 2 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA) and Shriners Hospitals For Children (Erie, 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 Stephen Mendelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Mendelson accept?
Health plans from CareSource and Molina Healthcare list Stephen Mendelson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Stephen Mendelson was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Dr. Stephen A Mendelson · NPI 1841265501
Orthopaedic Surgery physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 17, 2006.
## Identity
- **NPI:** 1841265501 (Entity type: Individual)
- **Enumerated:** February 17, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** MD059522L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 4401 PENN AVE, Pittsburgh, PA 15224-1334
- **Phone:** (412) 692-5530
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Pittsburgh Physicians (NPI 1225096639, Pittsburgh, PA); Shriners Hospitals For Children (NPI 1164799789, Erie, PA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841265501) · Data from the CMS NPPES public registry.