Douglas Dee Callahan, D.O.
NPI 1265540355ActiveIndividual· Family Medicine· St George, UT
Family Medicine (D.O.) with Callahan Clinic, PC, practicing in St George, Utah. Their prescriptions cost Medicare Part D more than their services did: $1,435,830 for 15,730 claims, against $363,267 paid for services in 2024. Abbvie Inc. was the largest of 25 companies reporting payments in 2025, $1,583 in all, mostly food and beverage. Lists St. George Regional Hospital as a hospital affiliation.
Overview
| NPI | 1265540355 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Aug 28, 2006 |
| Last updated in NPPES | Jan 8, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5335922-1204 | UT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,148 |
|---|---|
| Services billed | 8,436 across 60 procedure codes |
| Paid by Medicare | $363,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,730 · 29,942 30-day fills |
|---|---|
| Patients | 1,778 |
| Total drug cost | $1,435,830 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Callahan Clinic, PCSt George, UT · 4 clinicians
Hospital affiliation
- St. George Regional HospitalSt George, UT
Other facilities
- Advanced Home Health of St GeorgeHome health agency · St George, UT
- Applegate HomecareHome health agency · South Ogden, UT
- Enhabit Home Health of Southern UtahHome health agency · St George, UT
- Intermountain Health Home Health - St. GeorgeHome health agency · St George, UT
- Zion's Way Home HealthHome health agency · St. George, UT
- Renew HospiceHospice · Murray, UT
Industry payments (Open Payments)
- 2025$1,583 · 91 payments from 25 companies
- 2024$1,496 · 92 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $382.68 | 26 |
| Astrazeneca Pharmaceuticals LP | $173.11 | 14 |
| Pfizer Inc. | $111.67 | 6 |
| Aimmune Therapeutics, Inc. | $104.22 | 6 |
| Boston Scientific Corporation | $85.29 | 4 |
What the 2025 payments were for
- Food and Beverage$1,583 · 91 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in St George
- 1639546377
- 1083067409
- 1295829281
- 1073072815
- 1952041048
- 1629568209
- 1073483145
- 1962974493
- 1316323165
- 1265069066
- 1417092883
- 1447066451