MRS. MEGAN ELIZABETH WITHEROW CRNP
NPI 1356748693
Nurse Practitioner - Family in Harrisburg, PA
About Mrs. Megan Elizabeth Witherow Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MEGAN ELIZABETH WITHEROW CRNP (NPI 1356748693) is an individual family provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (SP014420) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS and maintains a secondary practice location in Wormleysburg.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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 (PECOS)
Mrs. Megan Elizabeth Witherow Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Megan Witherow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harrisburg, PA 17110
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,902 clinicians in this Medicare group
Wormleysburg, PA 17043
- Reassigned Medicare billing, Pennsylvania enrollment
- 132 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 17110 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.
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.
HARRISBURG, PA 17110
HARRISBURG, PA 17110
HARRISBURG, PA 17110
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 Megan Witherow's NPI number?
The NPI number for Megan Witherow is 1356748693. It was assigned to this individual provider in the NPPES registry on December 2, 2014. The provider is also known as Megan Elizabeth Garbarino Crnp.
Where is Megan Witherow located?
Megan Witherow practices at 2808 Old Post Rd, Harrisburg, PA 17110. The listed phone number is (717) 920-4400.
What is Megan Witherow's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Megan Witherow enrolled in Medicare?
Yes. Megan Witherow is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Megan Witherow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Megan Witherow reassigns Medicare benefits to 2 organizations: Pinnacle Health Medical Services (Harrisburg, PA) and Pinnacle Health Cardiovascular Institute Inc (Wormleysburg, PA). 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 Megan Witherow'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 Megan Witherow was last updated on January 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.