Quinten M. Vanderwerf, MEDICAL DORCTOR
NPI 1134224280ActiveIndividual· Otolaryngology· Rancho Mirage, CA
Otolaryngology (MEDICAL DORCTOR) in Rancho Mirage, California, trained at University of California, Geffen School of Medicine (class of 1991). 1,388 Medicare patients in 2024, $589,080 paid; all of their 1,021 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $45.31 in all, mostly food and beverage.
Overview
| NPI | 1134224280 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MEDICAL DORCTOR |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Sep 1, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | G76937 | 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 Practitioner - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,388 |
|---|---|
| Services billed | 7,361 across 91 procedure codes |
| Paid by Medicare | $589,080 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,021 · 1,946 30-day fills |
|---|---|
| Patients | 475 |
| Total drug cost | $23,254 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Otolaryngology |
Medical group
- Desert Ear Nose and Throat Medical Group IncRancho Mirage, CA · 8 clinicians
Hospital affiliation
- Eisenhower Medical CenterRancho Mirage, CA
Industry payments (Open Payments)
- 2025$45.31 · 2 payments from 2 companies
- 2024$19.66 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $29.58 | 1 |
| Integra Lifesciences Corporation | $15.73 | 1 |
What the 2025 payments were for
- Food and Beverage$45.31 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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