RONALD D WEISSENBERG D.O.
NPI 1336249911
Surgery in Warsaw, NY
About Ronald D Weissenberg D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RONALD D WEISSENBERG D.O. (NPI 1336249911) is an individual surgery provider in Warsaw, New York, licensed in New York (277752) and active in the NPI registry since September 2006. He 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)
Ronald D Weissenberg D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Ronald Weissenberg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warsaw, NY 14569
- Reassigned Medicare billing, New York enrollment
- 76 clinicians in this Medicare group
Canton, NY 13617
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Potsdam, NY 13676
- Reassigned Medicare billing, New York enrollment
- 414 clinicians in this Medicare group
Massena, NY 13662
- Reassigned Medicare billing, New York enrollment
- 176 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
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 14569 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.
WARSAW, NY 14569
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 Ronald Weissenberg's NPI number?
The NPI number for Ronald Weissenberg is 1336249911. It was assigned to this individual provider in the NPPES registry on September 24, 2006.
Where is Ronald Weissenberg located?
Ronald Weissenberg practices at 400 N Main St, Warsaw, NY 14569. The listed phone number is (585) 786-1249.
What is Ronald Weissenberg's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Ronald Weissenberg enrolled in Medicare?
Yes. Ronald Weissenberg is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ronald Weissenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Weissenberg reassigns Medicare benefits to 4 organizations: Wyoming County (Warsaw, NY), Canton-Potsdam Medical Practice PLLC (Canton, NY), Canton-Potsdam Hospital (Potsdam, NY) and Massena Hospital Inc (Massena, 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 Ronald Weissenberg'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 Ronald Weissenberg was last updated on December 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.