MR. GREGORY J OLEYOURRYK MD
NPI 1811912959
Urology in Rochester, NY
About Mr. Gregory J Oleyourryk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. GREGORY J OLEYOURRYK MD (NPI 1811912959) is an individual urology provider in Rochester, New York, licensed in New York (205249) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with United Memorial Medical Center, and maintains a secondary practice location in Rochester.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Gregory J Oleyourryk Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Gregory Oleyourryk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- 1,030 clinicians in this Medicare group
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- 2,285 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 11
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
United Memorial Medical Center
Acute Care Hospitals · Batavia, NYRochester General Hospital
Acute Care Hospitals · Rochester, NYUnity Hospital
Acute Care Hospitals · Rochester, NYStrong Memorial Hospital
Acute Care Hospitals · Rochester, NYMedina Memorial Hospital
Critical Access Hospitals · Medina, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14609 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
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 Gregory Oleyourryk's NPI number?
The NPI number for Gregory Oleyourryk is 1811912959. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is Gregory Oleyourryk located?
Gregory Oleyourryk practices at 2615 Culver Rd Suite 100, Rochester, NY 14609. The listed phone number is (585) 336-5320.
What is Gregory Oleyourryk's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Gregory Oleyourryk enrolled in Medicare?
Yes. Gregory Oleyourryk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Oleyourryk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Oleyourryk reassigns Medicare benefits to 2 organizations: Western New York Medical Practice PC (Rochester, NY) and Rochester General Hospital (Rochester, 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 Gregory Oleyourryk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Oleyourryk affiliated with any hospitals?
According to CMS data, Gregory Oleyourryk is affiliated with United Memorial Medical Center, Rochester General Hospital, Unity Hospital, Strong Memorial Hospital and Medina Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Oleyourryk was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mr. Gregory J Oleyourryk, MD · NPI 1811912959
Urology physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since July 12, 2006.
## Identity
- **NPI:** 1811912959 (Entity type: Individual)
- **Enumerated:** July 12, 2006
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 205249 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2615 CULVER RD, SUITE 100, Rochester, NY 14609-1746
- **Phone:** (585) 336-5320 · **Fax:** (585) 336-9114
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Western New York Medical Practice PC (NPI 1780049957, Rochester, NY); Rochester General Hospital (NPI 1063531929, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Js Weill Medical College, Cornell University, class of 1995
## Record status
- **NPPES last updated:** January 12, 2023
- **Other identifiers:** Medicaid 2140687 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1811912959) · Data from the CMS NPPES public registry.