Quick answers
- Which hospitals does John W. McDonough work at?
- Medicare's official clinician data lists John W. McDonough at 3 hospitals: Grady Memorial Hospital, Marion General Hospital and Riverside Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. McDonough see patients?
- Medicare's clinician data lists 2 practice locations, including Marion, OH. Call before your visit to confirm the address.
- What is John W. McDonough's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does John W. McDonough accept Medicare assignment?
- Yes. Medicare's clinician data says John W. McDonough 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 John W. McDonough?
- (740) 383-7936, as listed in official Medicare / NPI Registry data.
- What is John W. McDonough's NPI number?
- 1790742849. 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 W. McDonough works
Medicare's Facility Affiliation Data lists John W. McDonough at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grady Memorial HospitalDelaware, OH · Acute Care Hospital · CCN 360210
- Marion General HospitalMarion, OH · Acute Care Hospital · CCN 360011
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · CCN 360006
Practice locations
Addresses where John W. McDonough is enrolled with Medicare (CMS data updated 2026-10-02).
- 1040 Delaware AveMarion, OH 43302 (740) 383‑7936
- 1050 Delaware AveMarion, OH 43302 (740) 383‑7936
Group practices
Medicare enrollment lists John W. McDonough as a member of this group (CMS data updated 2026-10-02).
- Marion Area Physicians LLC181 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Marion
Clinicians with the same Medicare primary specialty in Marion, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790742849 |
| 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