Kristopher Clark, M.D.
NPI 1619339439ActiveIndividual· Internal Medicine, Pulmonary Disease· Williamsville, NY
Internal Medicine, Pulmonary Disease (M.D.) in Williamsville, New York, trained at State University of New York at Buffalo School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $131,245 for 438 claims, against $11,215 paid for services in 2024. Astellas Pharma US Inc was the largest of 2 companies reporting payments in 2025, $322.59 in all, mostly education.
Overview
| NPI | 1619339439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 22, 2016 |
| Last updated in NPPES | Nov 6, 2023 |
| Certified by provider | Nov 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 320529 | 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 - Pulmonary Disease (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 434 across 20 procedure codes |
| Paid by Medicare | $11,215 |
Part D prescriptions in 2024
| Prescriptions (claims) | 438 · 487 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $131,245 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical groups
- Kaleida HealthBuffalo, NY · 236 clinicians
- Academic Medicine Services, Inc.Buffalo, NY · 115 clinicians
Hospital affiliation
- Kaleida HealthBuffalo, NY
Industry payments (Open Payments)
- 2025$322.59 · 3 payments from 2 companies
- 2024$124.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $198.95 | 2 |
| United Therapeutics Corporation | $123.64 | 1 |
What the 2025 payments were for
- Education$198.95 · 2 payments
- Food and Beverage$123.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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