Michael Walker, N.P.
NPI 1134151715 · Family Nurse Practitioner · Roseville, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Walker, N.P. is a Family Nurse Practitioner provider in Roseville, CA (NPI 1134151715).
Provider details
- NPI number
- 1134151715
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Male
- Sole proprietor
- No
- License
- 448095 (CA)
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
19 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
276 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 | 88 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $115 |
| Admn Sarscov2 Vacc 1 Dose90480 | 31 | $46 |
| Automated Urinalysis Test81003 | 26 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 26 | $16 |
| Administration of Influenza Virus VaccineG0008 | 26 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 37 | 36 |
| Cephalexin | 32 | 31 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 21 |
| Amoxicillin | 19 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 13 | — |
| Prednisone | 13 | 13 |
| Azithromycin | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2015-07-10
Frequently asked questions
- What is Michael Walker's NPI number?
- Michael Walker's National Provider Identifier (NPI) is 1134151715, 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 4004 Foothill Blvd, Roseville, CA 95747.
- What is Michael Walker's phone number?
- The practice phone number listed in the NPPES registry for Michael Walker is (916) 453-5140.
- 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 (1134151715) is active in the NPPES registry as of the last update on 2015-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.