Nicolas N. Doan Van, MD

Medicare activity in 2024

Official CMS public-use data for Nicolas N. Doan Van, 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)589 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)352 services
3. Injection, regadenoson, 0.1 mg (J2785)148 services
4. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)139 services
5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)89 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%
• Diabetes51%
• Arthritis51%
• Chronic kidney disease47%
• Ischemic heart disease46%

Hospitals where Nicolas N. Doan Van works

Medicare's Facility Affiliation Data lists Nicolas N. Doan Van 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.

• Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678

Practice locations

Addresses where Nicolas N. Doan Van is enrolled with Medicare (CMS data updated October 2, 2026).

• 16300 Sand Canyon Ave, Suite 708Irvine, CA 92618 (949) 208‑6936
• 18111 Brookburst StFountain Valley, CA 92708 (714) 546‑2238
• 18111 Brookhurst St, Suite 5100Fountain Valley, CA 92708
• 20162 SW Birch St, Suite 260Newport Beach, CA 92660 (949) 236‑8388

Group practices

Medicare enrollment lists Nicolas N. Doan Van as a member of this group (CMS data updated October 2, 2026).

• California Heart Associates13 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Irvine

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

• Shivani Shodhan, MD
• Daniel Ng, MD
• Rostam Khoubyari, MD
• Ethan A. Yalvac, MD
• Tae Y. Yang, MD
• Arvind S. Nirula
• Sherwin G. Dela Cruz, MD
• Faizi A. Jamal, MD

All cardiologists in Irvine →

Other clinicians in California Heart Associates

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

• Hoang P. Nguyen, MD
• Sarah S. Elsayed, MD
• Jessica L. Schachter, DO
• Christopher J. Berg, MD
• Kerry E. Wood
• Yu-Ming Ni, 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