I-Mei Hsiu, MD

Medicare activity in 2024

Official CMS public-use data for I-Mei Hsiu, 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)182 services
2. Administration of influenza virus vaccine (G0008)105 services
3. Admn sarscov2 vacc 1 dose (90480)94 services
4. Influenza vaccine, inactivated (90653)94 services
5. Sarscov2 vac 50 mcg/0.5ml im (91322)94 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 cholesterol58%
• High blood pressure56%
• Arthritis45%
• Diabetes28%
• Chronic kidney disease19%
• Ischemic heart disease18%

Hospitals where I-Mei Hsiu works

Medicare's Facility Affiliation Data lists I-Mei Hsiu 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.

• Sutter Amador HospitalJackson, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050014
• Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050108
• Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050309

Practice locations

Addresses where I-Mei Hsiu is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

• 2055 Town Ctr Plz, Suite G130West Sacramento, CA 95691 (916) 887‑7471
• 2060 Harbison Dr, Suite DVacaville, CA 95687 (800) 972‑5547
• 2537 Fair Oaks BlvdSacramento, CA 95825 (916) 887‑4108
• 2702 Low CtFairfield, CA 94534 (707) 432‑2600
• 2720 Low CtFairfield, CA 94534 (707) 428‑2731

Group practices

Medicare enrollment lists I-Mei Hsiu as a member of this group (CMS data updated October 2, 2026).

• Sutter Valley Medical Foundation2,500 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in West Sacramento

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

• Ugochi Nwokafor, MD
• Jacqueline Ramsay, MD
• Marc L. Concepcion, DO
• Jeffrey Moy, MD
• Francisco L. Garcia, MD
• Diana M. Doncheva, MD
• Miguel A. Lizarraga, MD

All family doctors in West Sacramento →

Other clinicians in Sutter Valley Medical Foundation

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

• Kenneth Ferguson, MD
• Monica L. Perez
• Harold Keyserling, MD
• Kyaw Yu San, MD
• Isabel C. Amancio
• Elisabeth M. Dyogi, 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