Hrair A. Koutnouyan, MD

Medicare activity in 2024

Official CMS public-use data for Hrair A. Koutnouyan, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,038 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)767 services
3. Comprehensive hearing and speech recognition test (92557)476 services
4. Test to assess middle ear function (92567)439 services
5. Removal of impacted ear wax (69210)435 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 blood pressure75%
• High cholesterol75%
• Arthritis75%
• Diabetes58%
• Ischemic heart disease58%
• Depression45%

Hospitals where Hrair A. Koutnouyan works

Medicare's Facility Affiliation Data lists Hrair A. Koutnouyan 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.

• Glendale Adventist Medical CenterGlendale, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050239
• Glendale Memorial Hospital & Health CenterGlendale, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050058
• Providence Saint Joseph Medical CenterBurbank, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050235
• USC Verdugo Hills HospitalGlendale, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050124

Practice locations

Addresses where Hrair A. Koutnouyan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1505 Wilson Ter, Suite 270Glendale, CA 91206 (818) 241‑2101
• 1505 Wilson Terrace, Suite 270Glendale, CA 91206
• 50 Alessandro Pl, Suite 220Pasadena, CA 91105 (626) 577‑5550

Group practices

Medicare enrollment lists Hrair A. Koutnouyan as a member of this group (CMS data updated October 2, 2026).

• Ent Surgical Associates4 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in California →

Other ENT doctors in Glendale

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

• David K. Yun, MD
• Michael Bublik, MD
• Soroush Farnoosh, MD
• Susan Chobanian, MD
• Ani Mnatsakanian, DO
• Eric J. Yavrouian, MD

All ENT doctors in Glendale →

Other clinicians in Ent Surgical Associates

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

• David K. Yun, MD
• Sasha B. Arya, PA
• Eric J. Yavrouian, 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