Ari M. Vanderwalde, M.D.
NPI 1083801450ActiveIndividual· Internal Medicine, Medical Oncology· Germantown, TN
Internal Medicine, Medical Oncology (M.D.) in Germantown, Tennessee, licensed in CA, with an NPI issued in October 2007. Illumina, Inc. was the largest of 2 companies reporting payments in 2025, $116.65 in all, mostly food and beverage.
Overview
| NPI | 1083801450 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 1, 2007 |
| Last updated in NPPES | Mar 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A97490 | CA |
| Internal Medicine | 207R00000X | A97490 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$116.65 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Illumina, Inc. | $98.74 | 2 |
| Janssen Biotech, Inc. | $17.91 | 1 |
What the 2025 payments were for
- Food and Beverage$116.65 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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