Quick answers
- Which hospitals does Greg C. Heiler work at?
- Medicare's official clinician data lists Greg C. Heiler at 5 hospitals: Chippewa Valley Hospital, Cumberland Memorial Hospital, Indianhead Medical Center, Ladd Memorial Hospital and Oakleaf Surgical Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Greg C. Heiler see patients?
- Medicare's clinician data lists 3 practice locations, including Altoona, WI, Shell Lake, WI and Osceola, WI. Call before your visit to confirm the address.
- What is Greg C. Heiler's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Greg C. Heiler accept Medicare assignment?
- Yes. Medicare's clinician data says Greg C. Heiler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Greg C. Heiler?
- (715) 895-9454, as listed in official Medicare / NPI Registry data.
- What is Greg C. Heiler's NPI number?
- 1134173156. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Greg C. Heiler works
Medicare's Facility Affiliation Data lists Greg C. Heiler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chippewa Valley HospitalDurand, WI · Critical Access Hospital · CCN 521307
- Cumberland Memorial HospitalCumberland, WI · Critical Access Hospital · CCN 521353
- Indianhead Medical CenterShell Lake, WI · Critical Access Hospital · CCN 521342
- Ladd Memorial HospitalOsceola, WI · Critical Access Hospital · CCN 521318
- Oakleaf Surgical HospitalAltoona, WI · Acute Care Hospital · CCN 520196
Practice locations
Addresses where Greg C. Heiler is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Oakleaf WayAltoona, WI 54720 (715) 895‑9454
- 113 4th AveShell Lake, WI 54871 (715) 468‑7833
- 2600 65th AveOsceola, WI 54020 (715) 294‑2111
Group practices
Medicare enrollment lists Greg C. Heiler as a member of this group (CMS data updated 2026-10-02).
- Pathology Service Corporation2 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134173156 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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