DR. STEVEN F HARWIN MD
NPI 1962465542
Orthopaedic Surgery in New York, NY
About Dr. Steven F Harwin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN F HARWIN MD (NPI 1962465542) is an individual orthopaedic surgery provider in New York, New York, licensed in New York (112503) and active in the NPI registry since April 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. Steven F Harwin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Steven Harwin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 769 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 346 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 10021 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Steven Harwin's NPI number?
The NPI number for Steven Harwin is 1962465542. It was assigned to this individual provider in the NPPES registry on April 6, 2006.
Where is Steven Harwin located?
Steven Harwin practices at 910 Park Ave, New York, NY 10021. The listed phone number is (212) 861-9800.
What is Steven Harwin's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Steven Harwin enrolled in Medicare?
Yes. Steven Harwin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Steven Harwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Harwin reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and Icahn School Of Medicine At Mount Sinai (New York, 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 Steven Harwin'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 Steven Harwin was last updated on August 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Steven F Harwin, MD · NPI 1962465542
Orthopaedic Surgery physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 6, 2006.
## Identity
- **NPI:** 1962465542 (Entity type: Individual)
- **Enumerated:** April 6, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 112503 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 910 PARK AVE, New York, NY 10021-0255
- **Phone:** (212) 861-9800 · **Fax:** (212) 861-5276
## 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): Icahn School Of Medicine At Mount Sinai (NPI 1659639524, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1881063501, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2014
- **Other identifiers:** Medicare UPIN B80251 (NY); Medicaid 00203705 (NY); Medicare ID-Type Unspecified 973561 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1962465542) · Data from the CMS NPPES public registry.