Ryan K. Nowak, MD
NPI 1265691133ActiveIndividual· Radiology, Radiation Oncology· Sioux Falls, SD
Radiology, Radiation Oncology (MD) in Sioux Falls, South Dakota, trained at University of Connecticut School of Medicine (class of 2008). 214 Medicare patients in 2024, $111,718 paid; nearly all of their 76 Part D prescriptions were generic (93%). Gt Medical Technologies, Inc was the largest of 2 companies reporting payments in 2025, $190.55 in all, mostly food and beverage.
Overview
| NPI | 1265691133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2008 |
| Last updated in NPPES | Aug 26, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 9128 | SD |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (MN); Practitioner - Radiation Oncology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 214 |
|---|---|
| Services billed | 1,708 across 26 procedure codes |
| Paid by Medicare | $111,718 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 93 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $2,033 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Radiation Oncology |
Medical groups
- Sanford Medical CenterSioux Falls, SD · 857 clinicians
- Sanford ClinicSioux Falls, SD · 268 clinicians
Hospital affiliations
- Sanford Usd Medical CenterSioux Falls, SD
- Sanford Worthington Medical CenterWorthington, MN
Industry payments (Open Payments)
- 2025$190.55 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gt Medical Technologies, Inc | $165.54 | 1 |
| Visionrt, Inc. | $25.01 | 1 |
What the 2025 payments were for
- Food and Beverage$190.55 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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