Naofumi Yamamoto, DO
NPI 1053052514ActiveIndividual· Internal Medicine, Advanced Heart Failure and Transplant Cardiology· Maywood, IL
Internal Medicine, Advanced Heart Failure and Transplant Cardiology (DO) in Maywood, Illinois, licensed in IL and CA, with an NPI issued in April 2022. Part D covered 151 prescriptions written in 2024, 85% of them generic. Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $20,100 in all, mostly grants.
Overview
| NPI | 1053052514 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 6, 2022 |
| Last updated in NPPES | Apr 21, 2026 |
| Certified by provider | Apr 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Advanced Heart Failure and Transplant Cardiology Primary | 207RA0001X | 036174373 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 036.174373 | IL |
| Internal Medicine | 207R00000X | 036174373 | CA |
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 Order and Referring Only - Internal Medicine (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 151 · 297 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $14,024 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$20,100 · 5 payments from 5 companies
- 2024$23.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $20,000 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $28.60 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $25.63 | 1 |
| Novartis Pharmaceuticals Corporation | $25.61 | 1 |
| Bridgebio Pharma, Inc. | $19.88 | 1 |
What the 2025 payments were for
- Grant$20,000 · 1 payment
- Food and Beverage$99.72 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Advanced Heart Failure and Transplant Cardiology providers in Maywood
- 1306082094
- 1831355585
- 1619394699
- 1629497557
All Internal Medicine, Advanced Heart Failure and Transplant Cardiology providers in Illinois →