Zackary Walker, CRNP
NPI 1619578895 · Family Nurse Practitioner · New Castle, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zackary Walker, CRNP is a Family Nurse Practitioner provider in New Castle, PA (NPI 1619578895).
Provider details
- NPI number
- 1619578895
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Male
- Sole proprietor
- No
- License
- SP022674 (PA)
Specialties & taxonomies
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
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
72 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $73 |
Typical Medicare-allowed amounts for these services range $73–$73 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 | 66 | 66 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 36 | 36 |
| Doxycycline Hyclate | 34 | 34 |
| Cefuroxime Axetilbrand: Cefuroxime | 28 | 28 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 | 14 |
| Azithromycin | 14 | 14 |
| Amoxicillin | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-11-04
- Last updated
- 2020-11-04
- Certified
- 2020-11-04
Frequently asked questions
- What is Zackary Walker's NPI number?
- Zackary Walker's National Provider Identifier (NPI) is 1619578895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zackary Walker's specialty?
- Zackary Walker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zackary Walker located?
- Zackary Walker's practice location on file with NPPES is 26 Nesbitt Rd, New Castle, PA 16105-3410.
- What is Zackary Walker's phone number?
- The practice phone number listed in the NPPES registry for Zackary Walker is (724) 658-7790.
- Does Zackary Walker accept Medicare?
- Zackary Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zackary Walker's NPI active?
- Yes — Zackary Walker's NPI (1619578895) is active in the NPPES registry as of the last update on 2020-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.