Sherrill L. Weller, D.O.
NPI 1992896781ActiveIndividual· Internal Medicine· Flagstaff, AZ
Internal Medicine (D.O.) with Ryan Internal Medicine PC, practicing in Flagstaff, Arizona. Their prescriptions cost Medicare Part D more than their services did: $221,278 for 2,232 claims, against $94,528 paid for services in 2024. Lists Flagstaff Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992896781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Sep 27, 2006 |
| Last updated in NPPES | Apr 11, 2022 |
| Certified by provider | Apr 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS 9943 | FL |
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 | 317 |
|---|---|
| Services billed | 1,439 across 43 procedure codes |
| Paid by Medicare | $94,528 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,232 · 5,430 30-day fills |
|---|---|
| Patients | 274 |
| Total drug cost | $221,278 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Ryan Internal Medicine PCFlagstaff, AZ · 5 clinicians
Hospital affiliations
- Flagstaff Medical CenterFlagstaff, AZ
- Verde Valley Medical CenterCottonwood, 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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All 40 internal medicine physicians in Flagstaff · All internal medicine physicians in Arizona