Quick answers
- Which hospitals does Eric A. Duffield work at?
- Medicare's official clinician data lists Eric A. Duffield at 2 hospitals: Edward W Sparrow Hospital and Memorial Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric A. Duffield see patients?
- Medicare's clinician data lists 2 practice locations, including Owosso, MI. Call before your visit to confirm the address.
- What is Eric A. Duffield's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Eric A. Duffield accept Medicare assignment?
- Yes. Medicare's clinician data says Eric A. Duffield 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 Eric A. Duffield?
- (989) 723-8666, as listed in official Medicare / NPI Registry data.
- What is Eric A. Duffield's NPI number?
- 1245427004. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric A. Duffield works
Medicare's Facility Affiliation Data lists Eric A. Duffield at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- Memorial HealthcareOwosso, MI · Acute Care Hospital · CCN 230121
Practice locations
Addresses where Eric A. Duffield is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Health Park DrOwosso, MI 48867 (989) 723‑8666
- 826 W King StOwosso, MI 48867
Group practices
Medicare enrollment lists Eric A. Duffield as a member of this group (CMS data updated 2026-10-02).
- Memorial Hospital214 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Owosso
Clinicians with the same Medicare primary specialty in Owosso, MI — not a recommendation.
Clinician information
| Graduation year | 2002 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245427004 |
| 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