Quick answers
- Which hospitals does John A. Johansen work at?
- Medicare's official clinician data lists John A. Johansen at 5 hospitals: Diley Ridge Medical Center, Grant Medical Center, Mount Carmel East & West, Mount Carmel New Albany Surgical Hospital and Mount Carmel St Ann's. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Johansen see patients?
- Medicare's clinician data lists 3 practice locations, including Gahanna, OH and Canal Winchester, OH. Call before your visit to confirm the address.
- What is John A. Johansen's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John A. Johansen accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Johansen 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 A. Johansen?
- (614) 545-7900, as listed in official Medicare / NPI Registry data.
- What is John A. Johansen's NPI number?
- 1205087277. 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. Johansen works
Medicare's Facility Affiliation Data lists John A. Johansen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Diley Ridge Medical CenterCanal Winchester, OH · Acute Care Hospital · CCN 360358
- Grant Medical CenterColumbus, OH · Acute Care Hospital · CCN 360017
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- Mount Carmel New Albany Surgical HospitalNew Albany, OH · Acute Care Hospital · CCN 360266
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · CCN 360012
Practice locations
Addresses where John A. Johansen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1045 Beecher Crossing NGahanna, OH 43230
- 1045 Beecher Crossing N, Suite CGahanna, OH 43230
- 7901 Diley Rd, Suite 205Canal Winchester, OH 43110 (614) 545‑7900
Group practices
Medicare enrollment lists John A. Johansen as a member of these groups (CMS data updated 2026-10-02).
- Orthopedic One, Inc.282 clinicians in the group
- Gahanna Physical Therapy Limited Partnership76 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Gahanna
Clinicians with the same Medicare primary specialty in Gahanna, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205087277 |
| 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