Matthew Larkin Dunn, MD
NPI 1508068495ActiveIndividual· Hospitalist· Flagstaff, AZ
Hospitalist (MD) in Flagstaff, Arizona, trained at University of Maryland School of Medicine (class of 2007). In 2024 Medicare paid $27,946 for 105 patients, and Part D covered 88 of their prescriptions, 85% of them generic. Abiomed reported $579.29 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1508068495 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 3, 2007 |
| Last updated in NPPES | Mar 30, 2021 |
| Certified by provider | Mar 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 44564 | AZ |
| Internal Medicine | 207R00000X | 44564 | AZ |
| Internal Medicine | 207R00000X | C7-0003789 | DE |
| Pediatrics | 208000000X | 44564 | AZ |
| Pediatrics | 208000000X | C7-0003789 | DE |
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 - Hospitalist (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 105 |
|---|---|
| Services billed | 345 across 19 procedure codes |
| Paid by Medicare | $27,946 |
Part D prescriptions in 2024
| Prescriptions (claims) | 88 · 89 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $3,938 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Hospitalist |
Medical group
- Aspen Valley Hospital DistrictAspen, CO · 38 clinicians
Hospital affiliation
- Aspen Valley Hospital DistrictAspen, CO
Industry payments (Open Payments)
- 2025$579.29 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $579.29 | 5 |
What the 2025 payments were for
- Travel and Lodging$309.29 · 1 payment
- Food and Beverage$270.00 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 hospitalists in Flagstaff · All hospitalists in Arizona