Zepure Kouyoumdjian, DO

Medicare activity in 2024

Official CMS public-use data for Zepure Kouyoumdjian, 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)57,197 services
2. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)493 services
3. Measurement of brain wave activity (eeg), awake and asleep (95819)337 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)305 services
5. Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face (64615)283 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 pressure74%
• Arthritis53%
• Ischemic heart disease30%
• Depression28%
• Diabetes25%

Hospitals where Zepure Kouyoumdjian works

Medicare's Facility Affiliation Data lists Zepure Kouyoumdjian 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.

• El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Zepure Kouyoumdjian is enrolled with Medicare (CMS data updated October 2, 2026).

• 3443 Villa Ln, Suite 5Napa, CA 94558 (707) 287‑2513

Group practices

Medicare enrollment lists Zepure Kouyoumdjian as a member of this group (CMS data updated October 2, 2026).

• Bass Medical Group291 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in California →

Other neurologists in California

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

• Matthew L. Ho, MD
• Margaret A. Schlatter, MD
• Joss Cohen, MD
• Aziz N. Ander, MD
• Alicia M. Brady, MD
• Michael P. Flannery, DO
• Pardis Pooshpas, MD
• Klari Olenski, DO

All neurologists in California →

Other clinicians in Bass Medical Group

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

• Alexandra M. Burgar, MD
• Marc A. Levine, MD
• Julie A. Long, MD
• Timothy Leach, MD
• Maren Bohne, NP
• Lawrence J. Goldstein, 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