Anna C. Liu, DO

Medicare activity in 2024

Official CMS public-use data for Anna C. Liu, 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)467 services
2. Telephone medical discussion with physician, 21-30 minutes (99443)179 services
3. Annual depression screening, 5 to 15 minutes (G0444)74 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)56 services
5. Influenza vaccine split virus, preservative free (90662)28 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 cholesterol75%
• High blood pressure51%
• Arthritis34%
• Diabetes20%
• Depression20%
• Chronic kidney disease17%

Hospitals where Anna C. Liu works

Medicare's Facility Affiliation Data lists Anna C. Liu 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
• Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Anna C. Liu is enrolled with Medicare (CMS data updated October 2, 2026).

• 11100 Warner Ave, Suite 358Fountain Valley, CA 92708 (714) 966‑1500
• 13152 Newport AveTustin, CA 92780 (714) 263‑8600

Group practices

Medicare enrollment lists Anna C. Liu as a member of this group (CMS data updated October 2, 2026).

• Friends of Family Health Center12 clinicians in the group

Specialties

• Family Practiceprimary
• Osteopathic Manipulative Medicinealso
• Preventive Medicinealso
• Psychiatryalso

Find other Family Practice doctors in California →

Other family doctors in Fountain Valley

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

• Richard Baick, MD
• Mahmood Peshimam, MD
• Jay Patel, DO
• Jamison R. Thompson, DO
• Lincoln E. Tom, MD
• Patrick Thompson
• Peter Lin, MD
• Allen A. Jahroumi, MD

All family doctors in Fountain Valley →

Other clinicians in Friends of Family Health Center

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

• Riarowena Andrade, MD
• Kavosh Rahimi, MD
• Steve G. Rahimi, MD
• Mark F. Varallo, DO
• Payam Jafari
• Justin S. Sandhu, 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