John W. Wassenaar, MD
NPI 1669462297ActiveIndividual· Internal Medicine· Osprey, FL
Internal Medicine (MD) in Osprey, Florida, trained at University of Florida College of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $384,152 for 6,333 claims, against $93,553 paid for services in 2024. Exact Sciences Corporation was the largest of 8 companies reporting payments in 2025, $389.02 in all, mostly food and beverage.
Overview
| NPI | 1669462297 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 25, 2005 |
| Last updated in NPPES | Mar 9, 2020 |
| Certified by provider | Mar 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME55422 | FL |
| Pediatrics | 208000000X | ME55422 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 1,119 across 18 procedure codes |
| Paid by Medicare | $93,553 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,333 · 14,429 30-day fills |
|---|---|
| Patients | 482 |
| Total drug cost | $384,152 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Smh Physician Services IncSarasota, FL · 784 clinicians
Hospital affiliations
- Sarasota Memorial HospitalSarasota, FL
- Sarasota Memorial Hospital - VeniceNorth Venice, FL
Other facilities
- Empath Home HealthHome health agency · Fort Myers, FL
- Patients First Home Care LLCHome health agency · Sarasota, FL
- Sarasota Memorial HomecareHome health agency · Sarasota, FL
Industry payments (Open Payments)
- 2025$389.02 · 18 payments from 8 companies
- 2024$552.68 · 29 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $90.77 | 3 |
| Astrazeneca Pharmaceuticals LP | $68.74 | 4 |
| Pfizer Inc. | $58.28 | 3 |
| Sumitomo Pharma America, Inc. | $49.20 | 2 |
| Novo Nordisk Inc | $45.93 | 2 |
What the 2025 payments were for
- Food and Beverage$389.02 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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