WENDY DAY
NPI 1255897245
Nurse Practitioner - Primary Care in Mercersburg, PA
About Wendy Day NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WENDY DAY (NPI 1255897245) is an individual primary care provider in Mercersburg, Pennsylvania, licensed in Pennsylvania (SP020337) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 6
Other Identifiers 2
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
Wendy Day 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 Reassignment
Medicare enrollment records show Wendy Day reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 64 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17236 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
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 10
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 Wendy Day's NPI number?
The NPI number for Wendy Day is 1255897245. It was assigned to this individual provider in the NPPES registry on February 14, 2019.
Where is Wendy Day located?
Wendy Day practices at 2 Keefer Dr, Mercersburg, PA 17236. The listed phone number is (717) 328-2119.
What is Wendy Day's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Wendy Day enrolled in Medicare?
Yes. Wendy Day 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 organization bills Medicare for Wendy Day's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Day reassigns Medicare benefits to Meritus Urgent Care, LLC (Hagerstown, MD). 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 Wendy Day'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 Wendy Day was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Wendy Day · NPI 1255897245
Primary Care physician in Mercersburg, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 14, 2019.
## Identity
- **NPI:** 1255897245 (Entity type: Individual)
- **Enumerated:** February 14, 2019
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** SP020337 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2 KEEFER DR, Mercersburg, PA 17236-1732
- **Phone:** (717) 328-2119 · **Fax:** (717) 328-0071
## 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:** Meritus Urgent Care, LLC (NPI 1134383623, Hagerstown, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** May 29, 2025
- **Other identifiers:** Other 14408608; Medicaid 103643464 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255897245) · Data from the CMS NPPES public registry.