Quick answers
- Which hospitals does Robert S. Duke work at?
- Medicare's official clinician data lists Robert S. Duke at 3 hospitals: Chippewa County War Memorial Hospital, Helen Newberry Joy Hospital and Mackinac Straits Hospital and Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert S. Duke see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Ignace, MI and Newberry, MI. Call before your visit to confirm the address.
- What is Robert S. Duke's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Robert S. Duke accept Medicare assignment?
- Yes. Medicare's clinician data says Robert S. Duke 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 Robert S. Duke?
- (586) 255-7082, as listed in official Medicare / NPI Registry data.
- What is Robert S. Duke's NPI number?
- 1437867793. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert S. Duke works
Medicare's Facility Affiliation Data lists Robert S. Duke 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
Practice locations
Addresses where Robert S. Duke is enrolled with Medicare (CMS data updated 2026-10-02).
- 255 S Airport RdSaint Ignace, MI 49781 (586) 255‑7082
- 502 W Harrie StNewberry, MI 49868 (906) 293‑9200
Group practices
Medicare enrollment lists Robert S. Duke as a member of this group (CMS data updated 2026-10-02).
- Helen Newberry Joy Hospital and Healthcare Center37 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 | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437867793 |
| 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