Jan Ryszkowski, M.D.
NPI 1134304512ActiveIndividual· Nuclear Medicine· Little Rock, AR
Nuclear Medicine (M.D.) with Arcare and 1 other group, practicing in Little Rock, Arkansas. 242 Medicare patients in 2024, $125,018 paid; nearly all of their 562 Part D prescriptions were generic (92%). Paratek Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $350.24 in all, mostly food and beverage. Lists Baptist Health Medical Center North Little Rock and 1 other hospital as hospital affiliations.
Overview
| NPI | 1134304512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 4, 2008 |
| Last updated in NPPES | Sep 19, 2025 |
| Certified by provider | Sep 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nuclear Medicine Primary | 207U00000X | E-5892 | AR |
| Nuclear Medicine, Nuclear Imaging & Therapy | 207UN0902X | 4301091356 | MI |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | 4301091356 | MI |
| Nuclear Medicine, In Vivo & In Vitro Nuclear Medicine | 207UN0903X | 4301091356 | MI |
| Nuclear Medicine | 207U00000X | 4301091356 | MI |
| General Practice | 208D00000X | 4301091356 | MI |
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 - Nuclear Medicine (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 242 |
|---|---|
| Services billed | 2,913 across 25 procedure codes |
| Paid by Medicare | $125,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 562 · 565 30-day fills |
|---|---|
| Patients | 198 |
| Total drug cost | $67,449 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Nuclear Medicine |
Medical groups
- ArcareJonesboro, AR · 253 clinicians
- Healogics Specialty Physicians of Arkansas, PLLCFayetteville, AR · 9 clinicians
Hospital affiliations
- Baptist Health Medical Center North Little RockNorth Little Rock, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
Industry payments (Open Payments)
- 2025$350.24 · 17 payments from 7 companies
- 2024$640.36 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Paratek Pharmaceuticals, Inc. | $146.77 | 7 |
| Smith+nephew, Inc. | $79.00 | 4 |
| Kerecis Limited | $39.38 | 2 |
| Tactile Systems Technology Inc | $34.71 | 1 |
| Polynovo North America LLC | $21.45 | 1 |
What the 2025 payments were for
- Food and Beverage$350.24 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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