Colleen Klos
NPI 1003567603ActiveIndividual· Internal Medicine· Williamsville, NY
Internal Medicine in Williamsville, New York, trained at University of Pittsburgh School of Medicine (class of 2021). In 2024 Medicare paid $25,039 for 185 patients, and Part D covered 50 of their prescriptions, 84% of them generic. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $2,459 in all, mostly food and beverage.
Overview
| NPI | 1003567603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 14, 2022 |
| Last updated in NPPES | Jan 14, 2022 |
| Certified by provider | Jan 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 027835-01 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 289 across 8 procedure codes |
| Paid by Medicare | $25,039 |
Part D prescriptions in 2024
| Prescriptions (claims) | 50 · 50 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $3,252 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Erie County Medical Center CorporationBuffalo, NY · 319 clinicians
Hospital affiliations
- Erie County Medical CenterBuffalo, NY
- Kaleida HealthBuffalo, NY
Industry payments (Open Payments)
- 2025$2,459 · 52 payments from 9 companies
- 2024$48.23 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $747.43 | 12 |
| Janssen Biotech, Inc. | $585.37 | 18 |
| Lilly USA, LLC | $262.11 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $259.87 | 13 |
| Takeda Pharmaceuticals U.S.A., Inc. | $138.04 | 2 |
What the 2025 payments were for
- Food and Beverage$2,459 · 52 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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