KAROL HYJEK MD
NPI 1043575830
Pediatrics in Rochester, NY
About Karol Hyjek Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAROL HYJEK MD (NPI 1043575830) is an individual pediatrics provider in Rochester, New York, licensed in New York (285076) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karol Hyjek Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Karol Hyjek 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
- 2,285 clinicians in this Medicare group
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 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 14621 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 20
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 Karol Hyjek's NPI number?
The NPI number for Karol Hyjek is 1043575830. It was assigned to this individual provider in the NPPES registry on July 9, 2012.
Where is Karol Hyjek located?
Karol Hyjek practices at 1425 Portland Ave, Rochester, NY 14621. The listed phone number is (585) 922-2575.
What is Karol Hyjek's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Karol Hyjek enrolled in Medicare?
Yes. Karol Hyjek is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karol Hyjek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karol Hyjek reassigns Medicare benefits to 2 organizations: Rochester General Hospital (Rochester, NY) and Western New York Medical Practice P.C. (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 Karol Hyjek'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 Karol Hyjek was last updated on June 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Karol Hyjek, MD · NPI 1043575830
Pediatrics physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since July 9, 2012.
## Identity
- **NPI:** 1043575830 (Entity type: Individual)
- **Enumerated:** July 9, 2012
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 285076 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1425 PORTLAND AVE, Rochester, NY 14621-3001
- **Phone:** (585) 922-2575
## 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): Rochester General Hospital (NPI 1063531929, Rochester, NY); Western New York Medical Practice P.C. (NPI 1063790608, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 20, 2016
---
Source: [NPI Profile](https://npiprofile.com/npi/1043575830) · Data from the CMS NPPES public registry.