Wendy Day
Primary Care Nurse Practitioner · Mercersburg, PA
Wendy Day is a primary care nurse practitioner with a practice address in Mercersburg, Pennsylvania, and NPI 1255897245, issued on Feb 14, 2019. Check the license (Pennsylvania SP020337, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wendy Day
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License numbers
- SP020337 PA
RN500391L PA
R189100 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2 Keefer Dr, Mercersburg, PA 17236
- Phone
- (717) 328-2119
- Enumerated
- Feb 14, 2019
- Record last updated
- May 29, 2025
- Fax
- (717) 328-0071
- Medicaid ID
- 103643464 PA
- Medicare enrollment
- Enrolled (PECOS I20250519001012); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 481 in Pennsylvania → Look up another NPI →
Also registered at 2 Keefer Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kera Cussins, PA-CPhysician Assistant1427895879
- Ashley Fraker, CRNPFamily Nurse Practitioner1447830930
- Robert George, MDFamily Medicine Physician1033119755
- Dylan Gordon, PA-CPhysician Assistant1053043554
Verify Wendy Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP020337Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
320 Medicare Part D claims for 245 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone30 claims
- Amoxicillin-Clavulanate Potass27 claims
- Cephalexin27 claims
- Nitrofurantoin Mono-Macro17 claims
- Ofloxacin17 claims
- Azithromycin14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Meritus Urgent Care LLCHagerstown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Day among 481 primary care nurse practitioner records in Pennsylvania
Wendy Day is one of 481 primary care nurse practitioner records with a practice address in Pennsylvania. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 42% of them.
- NPI issued2019 · 42% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2016 · median 2020 among the 252 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 primary care nurse practitioner record lists a practice address in Mercersburg
They are 1 of the 32 NPPES records with a practice address in Mercersburg, and 481 primary care nurse practitioner records in Pennsylvania.
All 481 in Pennsylvania → Every provider in Mercersburg → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Sara AllenWaynesboro, PA 172681114882180
- Rebecca Carpenter, CRNPChambersburg, PA 172011336720309
- Hillary Lowe, CRNPChambersburg, PA 172011407408289
- Christine Pyne, MSN, CRNP, A-GNP-CChambersburg, PA 172011114333713
- Amber HollandGettysburg, PA 173251417785718
- Jennifer Knickman, CRNPHanover, PA 173311255204210
- Ann Wilt, CRNPHanover, PA 173311356890123
- Rosa Gingrich, CRNPHarrisburg, PA 171121265102776
Common questions
What is Wendy Day's NPI number?
Wendy Day's National Provider Identifier (NPI) is 1255897245, issued on Feb 14, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Day located?
The NPPES record lists a practice address at 2 Keefer Dr, Mercersburg, PA, 17236. Phone: (717) 328-2119. Providers update this record themselves, so call before visiting.
How can I verify Wendy Day's license?
NPPES lists Pennsylvania license number SP020337, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Wendy Day prescribe under Medicare Part D?
In 2024, Wendy Day had 320 Medicare Part D claims for 245 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.