Johnica Eyvazzadeh, MD

Medicare activity in 2024

Official CMS public-use data for Johnica Eyvazzadeh, 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. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)72 services
2. Anesthesia for other procedure on large bowel using an endoscope (00811)63 services
3. Anesthesia for x-ray or radiation therapy (01922)21 services
4. Anesthesia for extensive surgery on spine (00670)19 services
5. Anesthesia for procedure on small and large bowel using an endoscope (00813)19 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%
• Arthritis53%
• Ischemic heart disease36%
• Chronic kidney disease33%
• Anxiety30%

Hospitals where Johnica Eyvazzadeh works

Medicare's Facility Affiliation Data lists Johnica Eyvazzadeh 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.

• Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050174
• Sutter Santa Rosa Regional HospitalSanta Rosa, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050291

Practice locations

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

• 1165 Montgomery DrSanta Rosa, CA 95405 (707) 546‑3210

Group practices

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

• Anesthesia and Analgesia Medical Group Inc73 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Santa Rosa

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

• Francesca C. Ianovich, MD
• Kseniya Shvachko, MD
• Patrick H. Kwan, MD
• Mauricio S. Michaels, MD
• James H. Pak, MD
• Ana M. Crawford, MD
• James M. Hurd, MD
• Basavaraj Nagappala, MD

All anesthesiologists in Santa Rosa →

Other clinicians in Anesthesia and Analgesia Medical Group Inc

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

• Kseniya Shvachko, MD
• Peter Hamilton, MD
• James H. Pak, MD
• Darin D. Brunson, MD
• Adrian Chase, MD
• Jared R. Hylton, 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