Keith T. Ryan, MD
NPI 1366416869ActiveIndividual· Internal Medicine· Flagstaff, AZ
Internal Medicine (MD) in Flagstaff, Arizona, trained at University of Missouri, Columbia School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $673,671 for 6,329 claims, against $177,706 paid for services in 2024. Amgen Inc. reported $21.58 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1366416869 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 14, 2006 |
| Last updated in NPPES | Mar 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 22530 | AZ |
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 | 574 |
|---|---|
| Services billed | 2,675 across 72 procedure codes |
| Paid by Medicare | $177,706 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,329 · 16,431 30-day fills |
|---|---|
| Patients | 569 |
| Total drug cost | $673,671 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Ryan Internal Medicine PCFlagstaff, AZ · 5 clinicians
Hospital affiliations
- Flagstaff Medical CenterFlagstaff, AZ
- Verde Valley Medical CenterCottonwood, AZ
Other facilities
- Angels Care Home Health of Arizona No 5Home health agency · Flagstaff, AZ
- Northern Arizona Home HealthHome health agency · Flagstaff, AZ
- Nurses Network By Quality Home Health CareHome health agency · Prescott Valley, AZ
Industry payments (Open Payments)
- 2025$21.58 · 1 payment from 1 company
- 2024$30.34 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $21.58 | 1 |
What the 2025 payments were for
- Food and Beverage$21.58 · 1 payment
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