Calvin Vanreken, MD
NPI 1710052394ActiveIndividual· Internal Medicine, Geriatric Medicine· Reno, NV
Internal Medicine, Geriatric Medicine (MD) in Reno, Nevada, trained at University of Michigan Medical School (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $504,348 for 2,399 claims, against $57,939 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $1,660 in all, mostly food and beverage.
Overview
| NPI | 1710052394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 21, 2006 |
| Last updated in NPPES | Mar 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | NV4220 | NV |
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 - Internal Medicine (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 62 |
|---|---|
| Services billed | 834 across 34 procedure codes |
| Paid by Medicare | $57,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,399 · 5,998 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $504,348 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliations
- Carson Tahoe Regional Medical CenterCarson City, NV
- Northern Nevada Medical CenterSparks, NV
- Renown Regional Medical CenterReno, NV
- Renown South Meadows Medical CenterReno, NV
Industry payments (Open Payments)
- 2025$1,660 · 59 payments from 10 companies
- 2024$910.82 · 30 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $514.64 | 25 |
| Astrazeneca Pharmaceuticals LP | $353.62 | 17 |
| Bayer Healthcare Pharmaceuticals Inc. | $176.27 | 3 |
| Bridgebio Pharma, Inc. | $137.84 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $125.83 | 5 |
What the 2025 payments were for
- Food and Beverage$1,660 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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