Christy M. Dunst, MD

Medicare activity in 2024

Official CMS public-use data for Christy M. Dunst, 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. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)55 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)33 services
3. Study of esophagus to assess movement (91010)32 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)32 services
5. Monitoring and recording of esophageal function through nasal tube with electrode (91037)29 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 cholesterol63%
• High blood pressure60%
• Arthritis54%
• Depression26%
• Ischemic heart disease23%
• Anxiety23%

Hospitals where Christy M. Dunst works

Medicare's Facility Affiliation Data lists Christy M. Dunst 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.

• Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224

Practice locations

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

• 500 Superior Ave, Suite 100Newport Beach, CA 92663 (949) 764‑5760

Group practices

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

• Hoag Clinic460 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in California →

Other general surgeons in Newport Beach

Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.

• Melissa Desouza, MD
• Michael B. Hurwitz, MD
• Adrian B. Dobrowolsky, MD
• Hemasat Alkhatib, MD
• Colleen L. Coleman, MD
• Ronald F. Wolf, MD
• Matthew E. Wingo, MD
• Kirollos S. Malek, MD

All general surgeons in Newport Beach →

Other clinicians in Hoag Clinic

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

• Marie-Claire Leaf, MD
• Huyn Kyung Kwak
• Jinwen I. Lin, MD
• Myrlee C. Appel, PA
• Brian M. Koperek, MD
• Jasmine Phuong T. Nguyen, DO

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