Katherine Shreyder, MD
NPI 1033563234ActiveIndividual· Internal Medicine, Cardiovascular Disease· Pittsburgh, PA
Internal Medicine, Cardiovascular Disease (MD) with St Clair Medical Services Inc, practicing in Pittsburgh, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $992,633 for 4,145 claims, against $73,015 paid for services in 2024. Abbott Laboratories was the largest of 13 companies reporting payments in 2025, $783.73 in all, mostly food and beverage. Lists Magee Womens Hospital of Upmc Health System and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033563234 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 14, 2016 |
| Last updated in NPPES | Feb 2, 2023 |
| Certified by provider | Feb 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MD477535 | 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 - Cardiovascular Disease (Cardiology) (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,074 |
|---|---|
| Services billed | 1,976 across 28 procedure codes |
| Paid by Medicare | $73,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,145 · 9,630 30-day fills |
|---|---|
| Patients | 504 |
| Total drug cost | $992,633 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- St Clair Medical Services IncPittsburgh, PA · 209 clinicians
Hospital affiliations
- Magee Womens Hospital of Upmc Health SystemPittsburgh, PA
- St Clair HospitalPittsburgh, PA
Industry payments (Open Payments)
- 2025$783.73 · 24 payments from 13 companies
- 2024$636.24 · 25 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $187.25 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $116.87 | 1 |
| Novo Nordisk Inc | $97.86 | 4 |
| E.R. Squibb & Sons, L.L.C. | $87.10 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $83.86 | 3 |
What the 2025 payments were for
- Food and Beverage$783.73 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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