Christopher Wills, D.O
NPI 1558622506 · Internal Medicine Physician · Salem, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Wills, D.O is a Internal Medicine Physician provider in Salem, WI (NPI 1558622506).
Provider details
- NPI number
- 1558622506
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 64174 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
650 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 267 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 207 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 115 | $122 |
| Administration of Influenza Virus VaccineG0008 | 33 | $30 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 16 | $155 |
| Administration of Pneumococcal VaccineG0009 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 396 | 105 |
| Losartan Potassium | 357 | 86 |
| Levothyroxine Sodium | 348 | 71 |
| Lisinopril | 276 | 68 |
| Amlodipine Besylate | 269 | 73 |
| Omeprazole | 267 | 79 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$726 across 35 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
Registry dates
- Enumerated
- 2012-06-06
- Last updated
- 2020-01-06
- Certified
- 2020-01-06
Frequently asked questions
- What is Christopher Wills's NPI number?
- Christopher Wills's National Provider Identifier (NPI) is 1558622506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Wills's specialty?
- Christopher Wills is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Wills located?
- Christopher Wills's practice location on file with NPPES is 7322 236th Ave, Salem, WI 53168-9664.
- What is Christopher Wills's phone number?
- The practice phone number listed in the NPPES registry for Christopher Wills is (262) 671-7550.
- Does Christopher Wills accept Medicare?
- Christopher Wills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Wills's NPI active?
- Yes — Christopher Wills's NPI (1558622506) is active in the NPPES registry as of the last update on 2020-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.