Karen F. Giardino, MD (ENDOCRINOLOGIST)
NPI 1023175361ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Williamsville, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD (ENDOCRINOLOGIST)) in Williamsville, New York, trained at State University of New York at Buffalo School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $46,092 for 264 claims, against $7,524 paid for services in 2024. Lilly USA, LLC was the largest of 22 companies reporting payments in 2025, $1,972 in all, mostly food and beverage.
Overview
| NPI | 1023175361 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD (ENDOCRINOLOGIST) |
| Sole proprietor | Yes |
| NPI issued | Jan 3, 2007 |
| Last updated in NPPES | Sep 21, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 164685-1 | NY |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 1646851 | NY |
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 - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 65 across 6 procedure codes |
| Paid by Medicare | $7,524 |
Part D prescriptions in 2024
| Prescriptions (claims) | 264 · 681 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $46,092 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Endocrinology |
Medical group
- Preferred Physician Care PCWilliamsville, NY · 27 clinicians
Hospital affiliation
- Kaleida HealthBuffalo, NY
Industry payments (Open Payments)
- 2025$1,972 · 105 payments from 22 companies
- 2024$1,287 · 64 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $230.47 | 11 |
| Novo Nordisk Inc | $176.17 | 9 |
| Amneal Pharmaceuticals LLC | $175.68 | 7 |
| Mannkind Corporation | $144.17 | 5 |
| Insulet Corporation | $138.83 | 19 |
What the 2025 payments were for
- Food and Beverage$1,909 · 103 payments
- Education$42.50 · 1 payment
- Long term medical supply or device loan$19.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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