David Merrill, D.O.
NPI 1306266796ActiveIndividual· Hospitalist· Prescott, AZ
Hospitalist (D.O.) in Prescott, Arizona, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2014). 399 Medicare patients in 2024, $68,606 paid; nearly all of their 1,351 Part D prescriptions were generic (92%).
Overview
| NPI | 1306266796 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 23, 2014 |
| Last updated in NPPES | Mar 20, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 007207 | AZ |
| Internal Medicine | 207R00000X | 00000000000000000000 | 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 - Internal Medicine (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 399 |
|---|---|
| Services billed | 1,012 across 9 procedure codes |
| Paid by Medicare | $68,606 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,351 · 1,606 30-day fills |
|---|---|
| Patients | 330 |
| Total drug cost | $44,150 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
Medical group
- Naz Hospitalists IncPrescott, AZ · 30 clinicians
Hospital affiliations
- St Josephs Hospital and Medical CenterPhoenix, AZ
- Yavapai Regional Medical CenterPrescott, AZ
Other facilities
- Angels Care HospiceHospice · Prescott, AZ
- Maggie's Hospice, LLCHospice · Prescott, 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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