Quick answers
- Which hospitals does John J. Ward work at?
- Medicare's official clinician data lists John J. Ward at 5 hospitals: Grant Medical Center, Memorial Hospital, Mount Carmel East & West, Mount Carmel St Ann's and Riverside Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Ward see patients?
- Medicare's clinician data lists 7 practice locations, including Columbus, OH, Marysville, OH and Dublin, OH. Call before your visit to confirm the address.
- What is John J. Ward's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does John J. Ward accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Ward 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 John J. Ward offer telehealth?
- Medicare's clinician data says John J. Ward offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John J. Ward?
- (614) 566-5000, as listed in official Medicare / NPI Registry data.
- What is John J. Ward's NPI number?
- 1013901354. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John J. Ward works
Medicare's Facility Affiliation Data lists John J. Ward 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
- Memorial HospitalMarysville, OH · Acute Care Hospital · CCN 360092
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · CCN 360012
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · CCN 360006
Practice locations
Addresses where John J. Ward is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 3400 Olentangy River RdColumbus, OH 43202
- 3535 Olentangy River RdColumbus, OH 43214 (614) 566‑5000
- 3595 Olentangy River RdColumbus, OH 43214 (614) 566‑5456
- 500 London AveMarysville, OH 43040 (937) 578‑2275
- 6670 Perimeter Dr, Suite 200Dublin, OH 43016 (614) 754‑5500
Group practices
Medicare enrollment lists John J. Ward as a member of these groups (CMS data updated 2026-10-02).
- OhioHealth Corporation2,314 clinicians in the group
- Ohio Gastroenterology Group, Inc.119 clinicians in the group
- Union County Physician Corporation105 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013901354 |
| 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