Ernesto Leon Velarde Carreno, M.D
NPI 1619402609ActiveIndividual· Internal Medicine, Nephrology· Buffalo, NY
Internal Medicine, Nephrology (M.D) with Academic Medicine Services, Inc., practicing in Buffalo, New York. 389 Medicare patients in 2024, $161,195 paid; nearly all of their 1,077 Part D prescriptions were generic (91%). Amgen Inc. was the largest of 4 companies reporting payments in 2025, $167.91 in all, mostly food and beverage. Lists Erie County Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1619402609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Apr 27, 2017 |
| Last updated in NPPES | Aug 28, 2025 |
| Certified by provider | Aug 28, 2025 |
| Reactivated | Oct 4, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 64329 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (AZ); Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 1,536 across 22 procedure codes |
| Paid by Medicare | $161,195 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,077 · 2,490 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $216,365 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Academic Medicine Services, Inc.Buffalo, NY · 115 clinicians
Hospital affiliations
- Erie County Medical CenterBuffalo, NY
- Kaleida HealthBuffalo, NY
Other facilities
- Erie County Medical CenterDialysis facility · Buffalo, NY
- Fresenius Kidney Care - WheatfieldDialysis facility · North Tonawanda, NY
Industry payments (Open Payments)
- 2025$167.91 · 7 payments from 4 companies
- 2024$57.18 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $90.74 | 4 |
| Calliditas Therapeutics US Inc. | $32.00 | 1 |
| Novartis Pharmaceuticals Corporation | $26.12 | 1 |
| Mallinckrodt Hospital Products Inc. | $19.05 | 1 |
What the 2025 payments were for
- Food and Beverage$167.91 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 nephrologists in Buffalo · All nephrologists in New York