Quick answers
- Which hospitals does Joseph D. Callihan work at?
- Medicare's official clinician data lists Joseph D. Callihan at 1 hospital: Adena Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph D. Callihan see patients?
- Medicare's clinician data lists 1 practice location in Chillicothe, OH. Call before your visit to confirm the address.
- What is Joseph D. Callihan's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Joseph D. Callihan accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph D. Callihan 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 Joseph D. Callihan?
- (740) 779-4000, as listed in official Medicare / NPI Registry data.
- What is Joseph D. Callihan's NPI number?
- 1114519204. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph D. Callihan works
Medicare's Facility Affiliation Data lists Joseph D. Callihan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adena Regional Medical CenterChillicothe, OH · Acute Care Hospital · CCN 360159
Practice locations
Addresses where Joseph D. Callihan is enrolled with Medicare (CMS data updated 2026-10-02).
- 55 Centennial BlvdChillicothe, OH 45601 (740) 779‑4000
Group practices
Medicare enrollment lists Joseph D. Callihan as a member of this group (CMS data updated 2026-10-02).
- Adena Medical Group LLC386 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Chillicothe
Clinicians with the same Medicare primary specialty in Chillicothe, OH — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114519204 |
| 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