Quick answers
- Which hospitals does Michael S. Summerfield work at?
- Medicare's official clinician data lists Michael S. Summerfield at 3 hospitals: Magruder Hospital, Mercy Allen Hospital and Southwest General Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Summerfield see patients?
- Medicare's clinician data lists 1 practice location in Oberlin, OH. Call before your visit to confirm the address.
- What is Michael S. Summerfield's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Michael S. Summerfield accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Summerfield 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 Michael S. Summerfield?
- (440) 775-1211, as listed in official Medicare / NPI Registry data.
- What is Michael S. Summerfield's NPI number?
- 1578509311. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael S. Summerfield works
Medicare's Facility Affiliation Data lists Michael S. Summerfield at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Magruder HospitalPort Clinton, OH · Critical Access Hospital · CCN 361314
- Mercy Allen HospitalOberlin, OH · Critical Access Hospital · CCN 361306
- Southwest General Health CenterMiddleburg Heights, OH · Acute Care Hospital · CCN 360155
Practice locations
Addresses where Michael S. Summerfield is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 W Lorain StOberlin, OH 44074 (440) 775‑1211
Group practices
Medicare enrollment lists Michael S. Summerfield as a member of this group (CMS data updated 2026-10-02).
- Allen Emergency Physicians LLC15 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Oberlin
Clinicians with the same Medicare primary specialty in Oberlin, OH — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578509311 |
| 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