Karlyle Genevieve Bistas, M.D.
NPI 1356917504ActiveIndividual· Psychiatry & Neurology, Psychiatry· Williamsport, PA
Psychiatry & Neurology, Psychiatry (M.D.) with Susquehanna Physician Services, practicing in Williamsport, Pennsylvania. Part D covered 268 prescriptions written in 2024, 99% of them generic. Alkermes, Inc. was the largest of 2 companies reporting payments in 2025, $245.18 in all, mostly food and beverage. Lists Upmc Williamsport as a hospital affiliation.
Overview
| NPI | 1356917504 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 28, 2021 |
| Last updated in NPPES | Sep 26, 2025 |
| Certified by provider | Sep 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | MD487908 | PA |
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 - Psychiatry (PA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 268 · 298 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $7,598 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Psychiatry |
Medical group
- Susquehanna Physician ServicesWilliamsport, PA · 612 clinicians
Hospital affiliation
- Upmc WilliamsportWilliamsport, PA
Industry payments (Open Payments)
- 2025$245.18 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $123.35 | 1 |
| Otsuka America Pharmaceutical, Inc. | $121.83 | 1 |
What the 2025 payments were for
- Food and Beverage$245.18 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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