Guy N. Piegari Jr., MD
NPI 1659361095ActiveIndividual· Internal Medicine, Cardiovascular Disease· Wyomissing, PA
Internal Medicine, Cardiovascular Disease (MD) in Wyomissing, Pennsylvania, licensed in PA, with an NPI issued in October 2005. Their prescriptions cost Medicare Part D more than their services did: $998,640 for 7,444 claims, against $107,866 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 3 companies reporting payments in 2025, $135.80 in all, mostly food and beverage. Lists Penn State Health St. Joseph and 1 other hospital as hospital affiliations.
Overview
| NPI | 1659361095 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 26, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MD-035722-E | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 791 |
|---|---|
| Services billed | 2,341 across 21 procedure codes |
| Paid by Medicare | $107,866 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,444 · 18,969 30-day fills |
|---|---|
| Patients | 739 |
| Total drug cost | $998,640 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Hospital affiliations
- Penn State Health St. JosephReading, PA
- Reading HospitalWest Reading, PA
Industry payments (Open Payments)
- 2025$135.80 · 5 payments from 3 companies
- 2024$660.81 · 19 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $67.20 | 1 |
| Amgen Inc. | $47.60 | 3 |
| Chiesi USA, Inc. | $21.00 | 1 |
What the 2025 payments were for
- Food and Beverage$114.80 · 4 payments
- Education$21.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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