KATELYN A. MARENUS NP
NPI 1013641901
Nurse Practitioner - Pediatrics in Rochester, NY
About Katelyn A. Marenus Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATELYN A. MARENUS NP (NPI 1013641901) is an individual pediatrics provider in Rochester, New York, licensed in New York (383413) and active in the NPI registry since July 2022. She 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)
Katelyn A. Marenus Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Katelyn Marenus reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 88 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 1,624 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 14642 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.
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
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 Katelyn Marenus's NPI number?
The NPI number for Katelyn Marenus is 1013641901. It was assigned to this individual provider in the NPPES registry on July 15, 2022.
Where is Katelyn Marenus located?
Katelyn Marenus practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 275-2821.
What is Katelyn Marenus's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Katelyn Marenus enrolled in Medicare?
Yes. Katelyn Marenus is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Katelyn Marenus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katelyn Marenus reassigns Medicare benefits to 2 organizations: Pediatric Group Univ Of Rochester (Rochester, NY) and University Of Rochester (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 Katelyn Marenus'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 Katelyn Marenus was last updated on December 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Katelyn A. Marenus, NP · NPI 1013641901
Pediatrics physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since July 15, 2022.
## Identity
- **NPI:** 1013641901 (Entity type: Individual)
- **Enumerated:** July 15, 2022
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 383413 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 ELMWOOD AVE, Rochester, NY 14642-0001
- **Phone:** (585) 275-2821
## 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): Pediatric Group Univ Of Rochester (NPI 1083271787, Rochester, NY); University Of Rochester (NPI 1346285657, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 4, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1013641901) · Data from the CMS NPPES public registry.