Kambiz Vahabzadeh, MD

Medicare activity in 2024

Official CMS public-use data for Kambiz Vahabzadeh, 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 moderate level of decision making, if using time, 30 minutes or more (99214)1,208 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)482 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)474 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)456 services
5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)166 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%
• Chronic kidney disease75%
• Arthritis55%
• Diabetes52%
• Ischemic heart disease43%

Hospitals where Kambiz Vahabzadeh works

Medicare's Facility Affiliation Data lists Kambiz Vahabzadeh 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
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

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

• 1501 Superior Ave, Suite 205Newport Beach, CA 92663 (949) 642‑4974

Group practices

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

• Southern California Kidney Associates Inc6 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in California →

Other nephrologists in Newport Beach

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

• Linh L. Thong, MD
• Amer Jabara, MD
• Ratnaja Katneni, MD
• Eric A. Wechsler, MD
• Glenn Chiang, MD
• Sarah J. Lee, MD
• Paul Ozuzun, MD

All nephrologists in Newport Beach →

Other clinicians in Southern California Kidney Associates Inc

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

• Aline A. Kidikian, NP
• Akshay R. Bommireddi, MD
• Eric A. Wechsler, MD
• Paul Ozuzun, MD
• Julia Frederick, PA

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