Quick answers
- Which hospitals does Catherine O. Spiess work at?
- Medicare's official clinician data lists Catherine O. Spiess at 5 hospitals: Grant Medical Center, Mount Carmel East & West, Mount Carmel St Ann's, Ohio State University State Health System and Riverside Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Catherine O. Spiess see patients?
- Medicare's clinician data lists 6 practice locations, including Columbus, OH, Westerville, OH and Renoldsburg, OH. Call before your visit to confirm the address.
- What is Catherine O. Spiess's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Catherine O. Spiess accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine O. Spiess 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 Catherine O. Spiess?
- (614) 326-5665, as listed in official Medicare / NPI Registry data.
- What is Catherine O. Spiess's NPI number?
- 1801907522. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Catherine O. Spiess works
Medicare's Facility Affiliation Data lists Catherine O. Spiess at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grant Medical CenterColumbus, OH · Acute Care Hospital · CCN 360017
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · CCN 360012
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · CCN 360006
Practice locations
Addresses where Catherine O. Spiess is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 4885 Olentangy River RdColumbus, OH 43214 (614) 326‑5665
- 4895 Olentangy River RdColumbus, OH 43214
- 625 Africa RdWesterville, OH 43082
- 655 Africa RdWesterville, OH 43082
- 8050 E Main StRenoldsburg, OH 43068
Group practices
Medicare enrollment lists Catherine O. Spiess as a member of this group (CMS data updated 2026-10-02).
- Central Ohio Primary Care Physicians, Inc.488 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Ohio |
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801907522 |
| 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