Quick answers
- Which hospitals does Stephen C. Koesters work at?
- Medicare's official clinician data lists Stephen C. Koesters at 1 hospital: Ohio State University State Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen C. Koesters see patients?
- Medicare's clinician data lists 4 practice locations, including Dublin, OH, Westerville, OH and Grandview Heights, OH. Call before your visit to confirm the address.
- What is Stephen C. Koesters's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
- Does Stephen C. Koesters accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen C. Koesters 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.
- Does Stephen C. Koesters offer telehealth?
- Medicare's clinician data says Stephen C. Koesters offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stephen C. Koesters?
- (614) 366-5001, as listed in official Medicare / NPI Registry data.
- What is Stephen C. Koesters's NPI number?
- 1659350783. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen C. Koesters works
Medicare's Facility Affiliation Data lists Stephen C. Koesters at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
Practice locations
Addresses where Stephen C. Koesters is enrolled with Medicare (CMS data updated 2026-10-02).
- 3900 Stoneridge LnDublin, OH 43017 (614) 366‑5001
- 6100 N Hamilton RdWesterville, OH 43081 (614) 814‑8100
- 6100 N Hamilton Rd, Suite 5cWesterville, OH 43081 (614) 293‑3196
- 895 Yard StGrandview Heights, OH 43212 (614) 293‑9780
Group practices
Medicare enrollment lists Stephen C. Koesters as a member of these groups (CMS data updated 2026-10-02).
- OSU Internal Medicine LLC1,161 clinicians in the group
- OSU General Internal Medicine LLC276 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Dublin
Clinicians with the same Medicare primary specialty in Dublin, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659350783 |
| 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