Ryan Eliot McCallum, DO
NPI 1538331137ActiveIndividual· Emergency Medicine· Show Low, AZ
Emergency Medicine (DO) in Show Low, Arizona, trained at At Still Un of Hlth Sciences, Col of Osteo Med, Mesa (class of 2018). 178 Medicare patients in 2024, $19,010 paid; nearly all of their 139 Part D prescriptions were generic (91%).
Overview
| NPI | 1538331137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Mar 24, 2008 |
| Last updated in NPPES | Jul 22, 2021 |
| Certified by provider | Jul 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 8520 | AZ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Emergency Medicine | 207P00000X | S6890 | TX |
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 - Emergency Medicine (AZ); Practitioner - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 245 across 16 procedure codes |
| Paid by Medicare | $19,010 |
Part D prescriptions in 2024
| Prescriptions (claims) | 139 · 141 30-day fills |
|---|---|
| Patients | 93 |
| Total drug cost | $2,894 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | At Still Un of Hlth Sciences, Col of Osteo Med, Mesa |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Emergency Medicine |
Medical group
- Dhhs Ihs Phoenix AreaWhiteriver, AZ · 71 clinicians
Hospital affiliation
- Whiteriver Phs Indian HospitalWhiteriver, AZ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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