Quick answers
- Which hospitals does Gerald T. Riess work at?
- Medicare's official clinician data lists Gerald T. Riess at 2 hospitals: Lima Memorial Health System and Mercy Health St Ritas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gerald T. Riess see patients?
- Medicare's clinician data lists 1 practice location in Lima, OH. Call before your visit to confirm the address.
- What is Gerald T. Riess's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Gerald T. Riess accept Medicare assignment?
- Yes. Medicare's clinician data says Gerald T. Riess 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 Gerald T. Riess?
- (419) 998-8234, as listed in official Medicare / NPI Registry data.
- What is Gerald T. Riess's NPI number?
- 1861589558. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gerald T. Riess works
Medicare's Facility Affiliation Data lists Gerald T. Riess at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lima Memorial Health SystemLima, OH · Acute Care Hospital · CCN 360009
- Mercy Health St Ritas Medical CenterLima, OH · Acute Care Hospital · CCN 360066
Practice locations
Addresses where Gerald T. Riess is enrolled with Medicare (CMS data updated 2026-10-02).
- 1003 Bellefontaine Ave, Suite 100Lima, OH 45804 (419) 998‑8234
Group practices
Medicare enrollment lists Gerald T. Riess as a member of this group (CMS data updated 2026-10-02).
- Lima Memorial Professional Corporation165 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Lima
Clinicians with the same Medicare primary specialty in Lima, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861589558 |
| 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