Ryan Austin Denu, MD, PHD
NPI 1881220739ActiveIndividual· Internal Medicine, Medical Oncology· Madison, WI
Internal Medicine, Medical Oncology (MD, PHD) in Madison, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2020). Part D covered 105 prescriptions written in 2024, 83% of them generic. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $140.72 in all, mostly food and beverage.
Overview
| NPI | 1881220739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2020 |
| Last updated in NPPES | Jul 7, 2026 |
| Certified by provider | Jul 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 87263-20 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine | 207R00000X | T6872 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 87263-20 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TX); Practitioner - Internal Medicine (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 105 · 202 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $21,006 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$140.72 · 2 payments from 2 companies
- 2024$331.43 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $124.98 | 1 |
| Deciphera Pharmaceuticals Inc. | $15.74 | 1 |
What the 2025 payments were for
- Food and Beverage$140.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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