Steven M. Feinberg, MD

Medicare activity in 2024

Official CMS public-use data for Steven M. Feinberg, 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. Injection, onabotulinumtoxina, 1 unit (J0585)1,410 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)640 services
3. Exam to assess movement of vocal cord flaps using an endoscope (31579)531 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)366 services
5. Diagnostic exam of nasal passages using an endoscope (31231)245 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 pressure73%
• Arthritis56%
• Ischemic heart disease38%
• Anxiety24%
• Atrial fibrillation24%

Hospitals where Steven M. Feinberg works

Medicare's Facility Affiliation Data lists Steven M. Feinberg 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
• Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050567

Practice locations

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

• 1640 Newport Blvd, Suite 350Costa Mesa, CA 92627 (949) 364‑4361

Group practices

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

• Head and Neck Associates of Orange County An Incorprate16 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in California →

Other ENT doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Floyd Buen, MD
• Ashley E. Balaker, MD
• Ajay M. Narayanan, MD
• Ioana S. Schipor, MD
• Mueed Ahmad, MD
• Robert B. McLaughiin, MD
• Paul A. Martin, MD
• Eric Y. Waki, MD

All ENT doctors in California →

Other clinicians in Head and Neck Associates of Orange County An Incorprate

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

• Jagmeet S. Mundi, MD
• Quang C. Luu, MD
• Floyd Buen, MD
• Roger W. Boles, MD
• Laith Mukdad, MD
• Christopher F. Thompson, 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