Gurkamal Singh Chatta, MD
NPI 1114999083ActiveIndividual· Internal Medicine, Medical Oncology· Buffalo, NY
Internal Medicine, Medical Oncology (MD) with Roswell Park Cancer Institute and 1 other group, practicing in Buffalo, New York. 99 Medicare patients in 2024, $18,152 paid; nearly all of their 64 Part D prescriptions were generic (97%). Pfizer Inc. was the largest of 2 companies reporting payments in 2024, $150.00 in all, mostly food and beverage. Lists Bartlett Regional Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1114999083 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 6, 2006 |
| Last updated in NPPES | Jun 11, 2026 |
| Certified by provider | Jun 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 284329 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MD00025531 | WA |
| Specialist | 174400000X | MD417845 | PA |
| Internal Medicine, Medical Oncology | 207RX0202X | MD228838 | OR |
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 - Medical Oncology (NY); Practitioner - Hematology/Oncology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 250 across 11 procedure codes |
| Paid by Medicare | $18,152 |
Part D prescriptions in 2024
| Prescriptions (claims) | 64 · 125 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $945.99 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Roswell Park Cancer InstituteBuffalo, NY · 488 clinicians
- Sky Lakes Medical Center IncKlamath Falls, OR · 215 clinicians
Hospital affiliations
- Bartlett Regional HospitalJuneau, AK
- Sky Lakes Medical CenterKlamath Falls, OR
Industry payments (Open Payments)
- 2024$150.00 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $135.00 | 1 |
| Aveo Pharmaceuticals, Inc. | $15.00 | 1 |
What the 2024 payments were for
- Food and Beverage$135.00 · 1 payment
- Education$15.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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