Wendy Day
NPI 1255897245 · Primary Care Nurse Practitioner · Mercersburg, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Day is a Primary Care Nurse Practitioner provider in Mercersburg, PA (NPI 1255897245).
Provider details
- NPI number
- 1255897245
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN500391L (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
328 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 196 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $73 |
| Automated Urinalysis Test81003 | 39 | $2 |
| X-Ray of Chest, 2 Views71046 | 18 | $26 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 16 | $50 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 30 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 27 |
| Cephalexin | 27 | 27 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 17 | 16 |
| Ofloxacin | 17 | 16 |
| Azithromycin | 14 | 14 |
| Doxycycline Hyclate | 14 | 14 |
Practice location
Mailing address
Additional practice locations (6)
- 13620 Crayton Blvd Ste aHagerstown, MD 21742-2335Phone: (240) 313-3100
- 354 Alexander Spring RdCarlisle, PA 17015-7451Phone: (717) 477-2764
- 1000 Norland AveChambersburg, PA 17201-4229Phone: (717) 267-6363
- 24 Antrim Commons DrGreencastle, PA 17225-1623Phone: (717) 593-0512
- 46 Walnut Bottom RdShippensburg, PA 17257-8219Phone: (717) 532-4148
- 601 E Main StWaynesboro, PA 17268-2332Phone: (717) 765-5088
Registry dates
- Enumerated
- 2019-02-14
- Last updated
- 2025-05-29
- Certified
- 2025-05-29
Frequently asked questions
- What is Wendy Day's NPI number?
- Wendy Day's National Provider Identifier (NPI) is 1255897245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Day's specialty?
- Wendy Day is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wendy Day located?
- Wendy Day's practice location on file with NPPES is 2 Keefer Dr, Mercersburg, PA 17236-1732.
- What is Wendy Day's phone number?
- The practice phone number listed in the NPPES registry for Wendy Day is (717) 328-2119.
- Does Wendy Day accept Medicare?
- Wendy Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Day's NPI active?
- Yes — Wendy Day's NPI (1255897245) is active in the NPPES registry as of the last update on 2025-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.