Quinten M. Vanderwerf, MD

Medicare activity in 2024

Official CMS public-use data for Quinten M. Vanderwerf, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Test for allergy using allergenic extract (95004)1,920 services
2. Test for allergy using allergenic extract injected into skin (95024)1,216 services
3. Diagnostic exam of nasal passages using an endoscope (31231)731 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)625 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)598 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure72%
• Arthritis57%
• Ischemic heart disease31%
• Chronic kidney disease26%
• Anxiety25%

Hospitals where Quinten M. Vanderwerf works

Medicare's Facility Affiliation Data lists Quinten M. Vanderwerf at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050573

Practice locations

Addresses where Quinten M. Vanderwerf is enrolled with Medicare (CMS data updated October 2, 2026).

• 71687 Hwy 111, Suite 101Rancho Mirage, CA 92270 (760) 340‑4566

Group practices

Medicare enrollment lists Quinten M. Vanderwerf as a member of this group (CMS data updated October 2, 2026).

• Desert Ear Nose and Throat Medical Group Inc8 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in California →

Other ENT doctors in Rancho Mirage

Clinicians with the same Medicare primary specialty in Rancho Mirage, CA — not a recommendation.

• Peter L. Nguy, MD
• Mark D. Wilson, MD
• Christopher M. Walz, MD
• Daren G. Kest, DO
• David D. Lam, MD
• Kadie Nausha, MD
• Majid Torabi, MD

All ENT doctors in Rancho Mirage →

Other clinicians in Desert Ear Nose and Throat Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Kari J. Moeller, NP
• Melinda L. Wright, AU
• Mark D. Wilson, MD
• Lucian Ghioalda, AU
• Christopher M. Walz, MD
• Kadie Nausha, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians