DR. AGATA KATARZYNA OLSZOWSKA M.D.
NPI 1760406177
Family Medicine in Waterloo, NY
About Dr. Agata Katarzyna Olszowska M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AGATA KATARZYNA OLSZOWSKA M.D. (NPI 1760406177) is an individual family medicine provider in Waterloo, New York, licensed in New York (255097) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Agata Katarzyna Olszowska M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Agata Olszowska reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Geneva, NY 14456
- Reassigned Medicare billing, New York enrollment
- 49 clinicians in this Medicare group
Geneva, NY 14456
- Reassigned Medicare billing, New York enrollment
- 129 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 13165 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WATERLOO, NY 13165
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 Agata Olszowska's NPI number?
The NPI number for Agata Olszowska is 1760406177. It was assigned to this individual provider in the NPPES registry on July 27, 2006. The provider is also known as Dr. Agata Katarzyna Zgleszewski M.D..
Where is Agata Olszowska located?
Agata Olszowska practices at 367 E Main St Ste A, Waterloo, NY 13165. The listed phone number is (315) 787-4977.
What is Agata Olszowska's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Agata Olszowska enrolled in Medicare?
Yes. Agata Olszowska is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Agata Olszowska's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Agata Olszowska reassigns Medicare benefits to 2 organizations: Geneva General Hospital, Inc. (Geneva, NY) and Flh Medical, PC (Geneva, 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 Agata Olszowska'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 Agata Olszowska was last updated on September 7, 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.