Michael Walker
NPI 1225615172 · Family Nurse Practitioner · Greenville, NC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Walker is a Family Nurse Practitioner provider in Greenville, NC (NPI 1225615172).
Provider details
- NPI number
- 1225615172
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 10979-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
278 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 71 | $89 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 68 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 38 | $39 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $72 |
| Automated Urinalysis Test81003 | 22 | $2 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 94 | 92 |
| Doxycycline Hyclate | 41 | 40 |
| Omeprazole | 40 | 29 |
| Pantoprazole Sodium | 34 | 15 |
| Azithromycin | 32 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 31 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-26
- Last updated
- 2023-08-17
- Certified
- 2023-08-09
Frequently asked questions
- What is Michael Walker's NPI number?
- Michael Walker's National Provider Identifier (NPI) is 1225615172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Walker's specialty?
- Michael Walker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Walker located?
- Michael Walker's practice location on file with NPPES is 315 Greenville Blvd Se Ste 100, Greenville, NC 27858-5733.
- What is Michael Walker's phone number?
- The practice phone number listed in the NPPES registry for Michael Walker is (252) 917-5621.
- Does Michael Walker accept Medicare?
- Michael Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Walker's NPI active?
- Yes — Michael Walker's NPI (1225615172) is active in the NPPES registry as of the last update on 2023-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.