Mark Willis, FNP
NPI 1154838886 · Family Nurse Practitioner · Pocatello, ID
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Willis, FNP is a Family Nurse Practitioner provider in Pocatello, ID (NPI 1154838886).
Provider details
- NPI number
- 1154838886
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 57490 (ID)
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 tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
795 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 307 | $84 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 185 | $100 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 56 | $47 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 55 | $35 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 52 | $120 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 46 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 128 | 35 |
| Furosemide | 101 | 34 |
| Apixabanbrand: Eliquis | 101 | 21 |
| Gabapentin | 96 | 20 |
| Levothyroxine Sodium | 89 | 34 |
| Lisinopril | 78 | 24 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$65 across 2 records (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
Additional practice locations (1)
- 777 Hospital WayPocatello, ID 83201-5175Phone: (208) 239-1000
Registry dates
- Enumerated
- 2018-01-03
- Last updated
- 2021-05-18
- Certified
- 2021-05-18
Frequently asked questions
- What is Mark Willis's NPI number?
- Mark Willis's National Provider Identifier (NPI) is 1154838886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Willis's specialty?
- Mark Willis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Willis located?
- Mark Willis's practice location on file with NPPES is 1350 Cedar Lake Rd, Pocatello, ID 83204-4946.
- What is Mark Willis's phone number?
- The practice phone number listed in the NPPES registry for Mark Willis is (208) 705-2575.
- Does Mark Willis accept Medicare?
- Mark Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Willis's NPI active?
- Yes — Mark Willis's NPI (1154838886) is active in the NPPES registry as of the last update on 2021-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.