Dr. Quinten Vanderwerf, MEDICAL DORCTOR
What this data tells you about Dr. Vanderwerf
Dr. Quinten Vanderwerf is an otolaryngology specialist in Rancho Mirage, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Vanderwerf performed 5,988 Medicare services across 3,146 unique beneficiaries.
Between the years covered by Open Payments, Dr. Vanderwerf received a total of $349 from 7 pharmaceutical and/or device companies across 14 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in otolaryngology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Vanderwerf is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Allergy skin test A diagnostic test performed to identify specific allergies by applying or introducing allergenic extracts to the body. The procedure measures the patient's immune response to various potential allergens. |
1,384 | $3 | $7 |
| Skin allergy test A test where small amounts of potential allergens are injected into the skin to check for allergic reactions. |
1,050 | $7 | $14 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
618 | $71 | $152 |
| Nasal endoscopy A diagnostic procedure that uses a thin, lighted tube to examine the inside of the nasal passages. |
584 | $157 | $328 |
| Flexible laryngoscopy A diagnostic exam of the voice box using a flexible endoscope to visualize the larynx. |
432 | $91 | $224 |
| Ear wax removal A procedure to remove impacted ear wax from the ear canal. |
424 | $29 | $81 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
361 | $96 | $214 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
278 | $85 | $188 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
273 | $125 | $279 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
202 | $42 | $95 |
| Ultrasound of head and neck soft tissue This procedure uses sound waves to create images of the soft tissues in the head and neck area. It allows for the visualization of structures beneath the skin without using radiation. |
89 | $86 | $194 |
| CT scan of face, without contrast A computed tomography scan that creates detailed images of the facial structures. This procedure is performed without the use of intravenous contrast dye. |
84 | $110 | $230 |
| New patient office visit, 15-29 minutes An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold. |
51 | $45 | $122 |
| Simple control of nosebleed A procedure to stop a nosebleed using basic methods. It involves direct pressure or simple packing to control bleeding from the nasal passages. |
26 | $125 | $273 |
| Removal of nasal air passage under lining tissue A surgical procedure to remove tissue from the nasal air passage located beneath the lining. |
21 | $108 | $499 |
| Reshaping of nasal cartilage | 21 | $558 | $1,167 |
| Endoscopic sinus dilation A procedure that widens the nasal sinuses using an endoscope to improve drainage and airflow. |
17 | $1,689 | $3,830 |
| Microscopic ear examination A detailed visual inspection of the ear using a specialized microscope to examine the ear canal and eardrum. |
17 | $23 | $50 |
| Computer-assisted neurosurgery outside brain covering A surgical procedure using computer guidance to operate on areas outside the membrane covering the brain. |
16 | $141 | $287 |
| Endoscopic dilation of sphenoid and frontal sinuses A procedure using an endoscope to widen the sphenoid and frontal sinuses. |
14 | $3,710 | $7,565 |
| Eardrum incision with tube insertion A small cut is made in the eardrum to insert a ventilation tube, performed under local or topical anesthesia. |
14 | $166 | $363 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
12 | $141 | $287 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Vanderwerf is a clinical cardiology specialist, with above-average Medicare volume (top 2% in CA), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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