Tahseen Mozaffar

Medicare activity in 2024

Official CMS public-use data for Tahseen Mozaffar, 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)103 services
2. Test to measure expiratory airflow and volume (94010)41 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)23 services
4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)12 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 cholesterol73%
• High blood pressure71%
• Arthritis49%
• Diabetes31%
• Ischemic heart disease26%
• Osteoporosis25%

Hospitals where Tahseen Mozaffar works

Medicare's Facility Affiliation Data lists Tahseen Mozaffar 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.

• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

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

• 101 the City Dr SOrange, CA 92868 (714) 456‑7004

Group practices

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

• Regents of the University of Claifornia Univ Neursciences74 clinicians in the group
• Regents of the University of California41 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in California →

Other neurologists in Orange

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

• Shuichi Suzuki, MD
• Dallas J. De La Vara, MD
• Claire Henchcliffe, MD
• Giovanna Manzano, MD
• Ali Ezzati, MD
• Sara Zarei
• Anatevka S. Ribeiro, MD
• Monica Lavian, DO

All neurologists in Orange →

Other clinicians in Regents of the University of Claifornia Univ Neursciences

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

• Dallas J. De La Vara, MD
• Mark Mapstone
• Claire Henchcliffe, MD
• Jay Shah, MD
• Joon W. Myung, NP
• Yama Akbari, 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