DR. JOHN MICHAEL OLSEWSKI MD
NPI 1760406557
Orthopaedic Surgery in Bronx, NY
About Dr. John Michael Olsewski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MICHAEL OLSEWSKI MD (NPI 1760406557) is an individual orthopaedic surgery provider in Bronx, New York, licensed in New York (171174) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Michael Olsewski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Olsewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Yonkers, NY 10701
- Reassigned Medicare billing, New York enrollment
- 211 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 10461 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10461
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 John Olsewski's NPI number?
The NPI number for John Olsewski is 1760406557. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is John Olsewski located?
John Olsewski practices at 2157 Tomlinson Ave, Bronx, NY 10461. The listed phone number is (718) 794-2501.
What is John Olsewski's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is John Olsewski enrolled in Medicare?
Yes. John Olsewski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Olsewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Olsewski reassigns Medicare benefits to Montefiore New Rochelle Hospital (Yonkers, NY). 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 John Olsewski'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 John Olsewski was last updated on August 15, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.