Joseph D. Callihan, CNP
NPI 1114519204ActiveIndividual· Nurse Practitioner, Family· Chillicothe, OH
Nurse Practitioner, Family (CNP) with Adena Medical Group LLC, practicing in Chillicothe, Ohio. 169 Medicare patients in 2024, $11,459 paid; nearly all of their 336 Part D prescriptions were generic (93%). Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $35.42 in all, mostly food and beverage. Lists Adena Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1114519204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Feb 9, 2021 |
| Last updated in NPPES | Dec 24, 2021 |
| Certified by provider | Dec 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | APRN.CNP.0027509 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 169 |
|---|---|
| Services billed | 489 across 20 procedure codes |
| Paid by Medicare | $11,459 |
Part D prescriptions in 2024
| Prescriptions (claims) | 336 · 346 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $2,188 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Adena Medical Group LLCChillicothe, OH · 386 clinicians
Hospital affiliation
- Adena Regional Medical CenterChillicothe, OH
Industry payments (Open Payments)
- 2025$35.42 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $21.96 | 1 |
| Lilly USA, LLC | $13.46 | 1 |
What the 2025 payments were for
- Food and Beverage$35.42 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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