Quick answers
- Which hospitals does John M. Mashny work at?
- Medicare's official clinician data lists John M. Mashny at 4 hospitals: Bethesda North, Good Samaritan Hospital, McCullough-Hyde Memorial Hospital and Mercy Health - West Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Mashny see patients?
- Medicare's clinician data lists 14 practice locations, including Lebanon, OH, Montgomery, OH and Oxford, OH. Call before your visit to confirm the address.
- What is John M. Mashny's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does John M. Mashny accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Mashny 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 M. Mashny offer telehealth?
- Medicare's clinician data says John M. Mashny offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John M. Mashny?
- (513) 793-2654, as listed in official Medicare / NPI Registry data.
- What is John M. Mashny's NPI number?
- 1013989318. 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 M. Mashny works
Medicare's Facility Affiliation Data lists John M. Mashny at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bethesda NorthCincinnati, OH · Acute Care Hospital · CCN 360179
- Good Samaritan HospitalCincinnati, OH · Acute Care Hospital · CCN 360134
- McCullough-Hyde Memorial HospitalOxford, OH · Acute Care Hospital · CCN 360046
- Mercy Health - West HospitalCincinnati, OH · Acute Care Hospital · CCN 360234
Practice locations
Addresses where John M. Mashny is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 14; the Medicare profile lists all.
- 100 Arrow Springs BlvdLebanon, OH 45036 (513) 793‑2654
- 100 Arrow Springs Blvd, Suite 108Lebanon, OH 45036 (513) 853‑9000
- 10500 Montgomery RdMontgomery, OH 45242
- 10506 A Montgomery RdMontgomery, OH 45242
- 10506 Montgomery RdMontgomery, OH 45242
Group practices
Medicare enrollment lists John M. Mashny as a member of this group (CMS data updated 2026-10-02).
- TriHealth H LLC850 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Ohio →
Other cardiologists in Lebanon
Clinicians with the same Medicare primary specialty in Lebanon, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013989318 |
| 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