Quick answers
- Which hospitals does John A. Masino work at?
- Medicare's official clinician data lists John A. Masino at 3 hospitals: Avita Ontario, Mount Carmel East & West and Mount Carmel St Ann's. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Masino see patients?
- Medicare's clinician data lists 3 practice locations, including Ontario, OH, Gahanna, OH and Columbus, OH. Call before your visit to confirm the address.
- What is John A. Masino's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does John A. Masino accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Masino 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 A. Masino offer telehealth?
- Medicare's clinician data says John A. Masino offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John A. Masino?
- (419) 468-0505, as listed in official Medicare / NPI Registry data.
- What is John A. Masino's NPI number?
- 1659674083. 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 A. Masino works
Medicare's Facility Affiliation Data lists John A. Masino at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avita OntarioOntario, OH · Acute Care Hospital · CCN 360365
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · CCN 360012
Practice locations
Addresses where John A. Masino is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 Richland MallOntario, OH 44906 (419) 468‑0505
- 620 A Morrison RdGahanna, OH 43230 (614) 396‑2684
- 793 W State StColumbus, OH 43222 (614) 234‑5100
Group practices
Medicare enrollment lists John A. Masino as a member of these groups (CMS data updated 2026-10-02).
- North Central Ohio Family Care Center Inc195 clinicians in the group
- Radiology Inc58 clinicians in the group
- Central Ohio Urology Group, LLC.48 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659674083 |
| 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