Quick answers
- Which hospitals does Jason D. Mack work at?
- Medicare's official clinician data lists Jason D. Mack at 1 hospital: Aspirus Wausau Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason D. Mack see patients?
- Medicare's clinician data lists 1 practice location in Wausau, WI. Call before your visit to confirm the address.
- What is Jason D. Mack's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Jason D. Mack accept Medicare assignment?
- Yes. Medicare's clinician data says Jason D. Mack 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 Jason D. Mack's NPI number?
- 1609169200. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason D. Mack works
Medicare's Facility Affiliation Data lists Jason D. Mack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · CCN 520030
Practice locations
Addresses where Jason D. Mack is enrolled with Medicare (CMS data updated 2026-10-02).
- 333 Pine Ridge BlvdWausau, WI 54401
Group practices
Medicare enrollment lists Jason D. Mack as a member of this group (CMS data updated 2026-10-02).
- Aspirus Wausau Hospital Inc237 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Wausau
Clinicians with the same Medicare primary specialty in Wausau, WI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Kansas City University Of Med & Biosciences, College Of Osteo Med |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609169200 |
| 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