Robin Karasek, M.D.
NPI 1558823740ActiveIndividual· Internal Medicine· Hampton, VA
Internal Medicine (M.D.) with Riverside Physician Services Inc, practicing in Hampton, Virginia. Their prescriptions cost Medicare Part D more than their services did: $518,325 for 3,468 claims, against $54,596 paid for services in 2024. Shield Therapeutics Inc was the largest of 10 companies reporting payments in 2025, $695.94 in all, mostly food and beverage. Lists Riverside Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1558823740 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2019 |
| Last updated in NPPES | Jun 30, 2022 |
| Certified by provider | Jun 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0101274968 | VA |
| Student in an Organized Health Care Education/Training Program | 390200000X | 125074179 | IL |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 194 |
|---|---|
| Services billed | 1,449 across 85 procedure codes |
| Paid by Medicare | $54,596 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,468 · 7,630 30-day fills |
|---|---|
| Patients | 342 |
| Total drug cost | $518,325 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Riverside Physician Services IncWilliamsburg, VA · 797 clinicians
Hospital affiliations
- Riverside Regional Medical CenterNewport News, VA
- Sentara Careplex HospitalHampton, VA
Industry payments (Open Payments)
- 2025$695.94 · 32 payments from 10 companies
- 2024$709.93 · 38 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shield Therapeutics Inc | $220.42 | 5 |
| Abbvie Inc. | $100.61 | 5 |
| Novo Nordisk Inc | $94.01 | 5 |
| Amgen Inc. | $83.75 | 5 |
| Lilly USA, LLC | $72.33 | 4 |
What the 2025 payments were for
- Food and Beverage$695.94 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Hampton
- 1356468466
- 1144920497
- 1215117437
- 1134399066
- 1255587697
- 1720251226
- 1639138365
- 1164671897
- 1376078915
- 1508827528
- 1790370880
- 1821289554