Stephen Wissink, MD
NPI 1114921863 · Internal Medicine Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Wissink, MD is a Internal Medicine Physician provider in La Crosse, WI (NPI 1114921863).
Provider details
- NPI number
- 1114921863
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37855 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 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
786 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 263 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 193 | $133 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 174 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 120 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 20 | $122 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 785 | 207 |
| Amlodipine Besylate | 476 | 135 |
| Lisinopril | 456 | 124 |
| Rosuvastatin Calcium | 388 | 112 |
| Losartan Potassium | 365 | 106 |
| Metoprolol Succinate | 293 | 83 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-10
- Last updated
- 2014-03-19
Frequently asked questions
- What is Stephen Wissink's NPI number?
- Stephen Wissink's National Provider Identifier (NPI) is 1114921863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Wissink's specialty?
- Stephen Wissink is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Wissink located?
- Stephen Wissink's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Stephen Wissink's phone number?
- The practice phone number listed in the NPPES registry for Stephen Wissink is (608) 782-7300.
- Does Stephen Wissink accept Medicare?
- Stephen Wissink is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Wissink's NPI active?
- Yes — Stephen Wissink's NPI (1114921863) is active in the NPPES registry as of the last update on 2014-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.