Quick answers
- Which hospitals does Deborah A. Griffin work at?
- Medicare's official clinician data lists Deborah A. Griffin at 5 hospitals: Chippewa County War Memorial Hospital, Helen Newberry Joy Hospital, Mackinac Straits Hospital and Health Center, McLaren Northern Michigan and MyMichigan Medical Center Alpena. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Deborah A. Griffin see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Ignace, MI and St Ignace, MI. Call before your visit to confirm the address.
- What is Deborah A. Griffin's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Deborah A. Griffin accept Medicare assignment?
- Yes. Medicare's clinician data says Deborah A. Griffin 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 Deborah A. Griffin?
- (906) 643-8585, as listed in official Medicare / NPI Registry data.
- What is Deborah A. Griffin's NPI number?
- 1922174309. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Deborah A. Griffin works
Medicare's Facility Affiliation Data lists Deborah A. Griffin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chippewa County War Memorial HospitalSault Ste Marie, MI · Acute Care Hospital · CCN 230239
- Helen Newberry Joy HospitalNewberry, MI · Critical Access Hospital · CCN 231304
- Mackinac Straits Hospital and Health CenterSaint Ignace, MI · Critical Access Hospital · CCN 231306
- McLaren Northern MichiganPetoskey, MI · Acute Care Hospital · CCN 230105
- MyMichigan Medical Center AlpenaAlpena, MI · Acute Care Hospital · CCN 230036
Practice locations
Addresses where Deborah A. Griffin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1140 N State StSaint Ignace, MI 49781 (906) 643‑8585
- 1140 N State StSt Ignace, MI 49781
Group practices
Medicare enrollment lists Deborah A. Griffin as a member of this group (CMS data updated 2026-10-02).
- Mackinac Straits Health System Inc17 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Ignace
Clinicians with the same Medicare primary specialty in Saint Ignace, MI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922174309 |
| 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