Austin H. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Austin H. Nguyen, 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. Injection of anesthetic agent and/or steroid into other nerve or branch (64450)19 services
2. Ultrasonic guidance for needle placement (76942)16 services
3. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)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 blood pressure75%
• High cholesterol75%
• Arthritis53%
• Diabetes41%
• Chronic kidney disease35%
• Depression22%

Hospitals where Austin H. Nguyen works

Medicare's Facility Affiliation Data lists Austin H. Nguyen 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.

• Eden Medical CenterCastro Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050488
• Kaiser Foundation Hospital-San JoseSan Jose, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050604

Practice locations

Addresses where Austin H. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 the City Dr SOrange, CA 92868 (714) 456‑7004
• 20103 Lake Chabot RdCastro Valley, CA 94546 (510) 537‑1234
• 250 Hospital PkwySan Jose, CA 95119 (408) 972‑3000

Group practices

Medicare enrollment lists Austin H. Nguyen as a member of these groups (CMS data updated October 2, 2026).

• Permanente Medical Group Inc10,996 clinicians in the group
• Regents of the University of239 clinicians in the group
• Alameda Anesthesia Associates Medical Group Inc20 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Orange

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

• Rebekah Nam, MD
• Horia N. Moroaica, DO
• Jatinder Singh, DO
• Nancy Ha, MD
• Shiu-Yi E. Chen, MD
• Tuan Ngo, MD
• Brandon J. Abeyta, MD
• Kishan B. Patel, MD

All anesthesiologists in Orange →

Other clinicians in Permanente Medical Group Inc

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

• Ranjit S. Makar, MD
• I-Chun S. Ou, MD
• Jacqueline E. Raines Kohler, PSY
• Camilla N. Guitarte, MD
• Cheryl I. De La Torre, OD
• Pardis Irannejad, 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