MARY KATE ZERBY OTR
NPI 1558910356
Occupational Therapist in Sayre, PA
About Mary Kate Zerby Otr NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KATE ZERBY OTR (NPI 1558910356) is an individual occupational therapist in Sayre, Pennsylvania, licensed in Pennsylvania (OC015116) and active in the NPI registry since September 2019.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Kate Zerby Otr is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Zerby reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Athens, PA 18810
- Reassigned Medicare billing, Pennsylvania and New York enrollments
- Medicare enrollment name: Guthrie Medical Group PC
- Also billed through NPI 1245246644 (New York)
- 830 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.
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.
SAYRE, PA 18840
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 Mary Zerby's NPI number?
The NPI number for Mary Zerby is 1558910356. It was assigned to this individual provider in the NPPES registry on September 5, 2019.
Where is Mary Zerby located?
Mary Zerby practices at 1 Guthrie Sq, Sayre, PA 18840. The listed phone number is (570) 888-5858.
What is Mary Zerby's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Mary Zerby enrolled in Medicare?
Yes. Mary Zerby is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Zerby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Zerby reassigns Medicare benefits to Guthrie Medical Group, P.C. (Athens, PA). The 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 Mary Zerby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Zerby accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Mary Zerby as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Zerby was last updated on February 23, 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.