Quick answers
- Does Vance T. Hartke accept Medicare assignment?
- Yes. Medicare's clinician data says Vance T. Hartke accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Vance T. Hartke see?
- In 2024, CMS data shows 331 Original Medicare patients and 5,789 services for Vance T. Hartke. This counts Original Medicare only and measures volume, not quality.
- What is Vance T. Hartke's NPI number?
- 1295260453. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Vance T. Hartke, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 331 |
|---|---|
| Services billed to Medicare | 5,789 |
| Different services or procedures | 68 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)112 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)75 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)65 services
- Biopsy of large bowel using a flexible endoscope (45380)57 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol69%
- High blood pressure66%
- Arthritis38%
- Ischemic heart disease26%
- Anxiety24%
- Diabetes22%
Hospitals where Vance T. Hartke works
Medicare's Facility Affiliation Data lists Vance T. Hartke at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Aspirus Eagle River HospitalEagle River, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521300
- Aspirus Ironwood HospitalIronwood, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231333
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520019
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
- Howard Young Medical CenterWoodruff, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520091
Practice locations
Addresses where Vance T. Hartke is enrolled with Medicare (CMS data updated October 2, 2026).
- 240 Maple StWoodruff, WI 54568 (715) 356‑8140
- 411 Westwood DrWausau, WI 54401 (715) 847‑2558
Group practices
Medicare enrollment lists Vance T. Hartke as a member of these groups (CMS data updated October 2, 2026).
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
- Gastrointestinal Associates S.C.42 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | University Of Pittsburgh School Of Medicine |
|---|---|
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295260453 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians