Bahman Chavoshan, MD

Medicare activity in 2024

Official CMS public-use data for Bahman Chavoshan, 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. Critical care, first 30-74 minutes (99291)222 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)16 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%
• Arthritis54%
• Heart failure53%
• COPD51%
• Diabetes49%

Hospitals where Bahman Chavoshan works

Medicare's Facility Affiliation Data lists Bahman Chavoshan 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.

• Mad River Community HospitalArcata, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050028
• Providence St Joseph HospitalEureka, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050006

Practice locations

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

• 12052 Imperial Hwy, Suite 102Norwalk, CA 90650 (562) 261‑9330
• 2700 Dolbeer StEureka, CA 95501 (707) 445‑8121

Group practices

Medicare enrollment lists Bahman Chavoshan as a member of these groups (CMS data updated October 2, 2026).

• Providence Medical Foundation1,466 clinicians in the group
• Copa de Oro Medical Group Inc6 clinicians in the group

Specialties

• Internal Medicineprimary
• Critical Care (Intensivists)also
• Sleep Medicinealso

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Norwalk

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

• Paola A. Ortiz, MD
• Quy Vinh, MD
• Sailaja Reddy, MD
• Farzad Pourarian, DO
• Raafat M. Hana, MD
• Naheed P. Ali, MD
• Parvaneh P. Zolnouni, MD
• Donna M. Varela, MD

All internal medicine doctors in Norwalk →

Other clinicians in Providence Medical Foundation

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

• Robyn D. Vieth, MD
• Fatima Ajaz, MD
• Karen H. Fu, MD
• Abhinav Koul, MD
• Manuel D. Lewis, DO
• Lian T. Bach, 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