Ajay Chaudhuri, MD
NPI 1386631851ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Buffalo, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Kaleida Health and 2 other groups, practicing in Buffalo, New York. Their prescriptions cost Medicare Part D more than their services did: $1,954,098 for 4,630 claims, against $27,349 paid for services in 2024. Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $152,488 in all, mostly speaking and faculty fees. Lists Brooks-Tlc Hospital System, Inc and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1386631851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 30, 2005 |
| Last updated in NPPES | Nov 18, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 001161 | 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 | 188 |
|---|---|
| Services billed | 513 across 16 procedure codes |
| Paid by Medicare | $27,349 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,630 · 9,107 30-day fills |
|---|---|
| Patients | 505 |
| Total drug cost | $1,954,098 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Kaleida HealthBuffalo, NY · 236 clinicians
- Academic Medicine Services, Inc.Buffalo, NY · 115 clinicians
- University at Buffalo Neurosurgery IncAmherst, NY · 71 clinicians
Hospital affiliations
- Brooks-Tlc Hospital System, IncDunkirk, NY
- Erie County Medical CenterBuffalo, NY
- Kaleida HealthBuffalo, NY
- Niagara Falls Memorial Medical CenterNiagara Falls, NY
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$152,488 · 162 payments from 5 companies
- 2024$106,443 · 155 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $91,248 | 108 |
| Novo Nordisk Inc | $49,073 | 40 |
| Eli Lilly and Company | $11,855 | 11 |
| Medtronic, Inc. | $159.29 | 1 |
| Amgen Inc. | $152.73 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$108,310 · 56 payments
- Consulting Fee$21,431 · 5 payments
- Travel and Lodging$19,422 · 50 payments
- Food and Beverage$3,325 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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