Quick answers
- Which hospitals does Matthew Slack work at?
- Medicare's official clinician data lists Matthew Slack at 1 hospital: McLaren Northern Michigan. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Slack see patients?
- Medicare's clinician data lists 2 practice locations, including Petoskey, MI and Cheboygan, MI. Call before your visit to confirm the address.
- What is Matthew Slack's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Matthew Slack accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Slack 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 Matthew Slack?
- (800) 248-6777, as listed in official Medicare / NPI Registry data.
- What is Matthew Slack's NPI number?
- 1841879236. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Slack works
Medicare's Facility Affiliation Data lists Matthew Slack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McLaren Northern MichiganPetoskey, MI · Acute Care Hospital · CCN 230105
Practice locations
Addresses where Matthew Slack is enrolled with Medicare (CMS data updated 2026-10-02).
- 416 Connable AvePetoskey, MI 49770 (800) 248‑6777
- 748 S Main St, McLaren Northern Michigan CheboyganCheboygan, MI 49721 (231) 627‑7118
Group practices
Medicare enrollment lists Matthew Slack as a member of this group (CMS data updated 2026-10-02).
- Ecs Northern Michigan PC25 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Petoskey
Clinicians with the same Medicare primary specialty in Petoskey, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | West Virginia School Of Osteopathic Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841879236 |
| 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