Elizabeth W. Hwang, MD

Medicare activity in 2024

Official CMS public-use data for Elizabeth W. Hwang, 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)77 services
2. Telephone medical discussion with physician, 5-10 minutes (99441)33 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)31 services
4. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)31 services
5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)22 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 pressure74%
• High cholesterol56%
• Diabetes44%
• Arthritis36%
• Chronic kidney disease28%
• Ischemic heart disease26%

Hospitals where Elizabeth W. Hwang works

Medicare's Facility Affiliation Data lists Elizabeth W. Hwang 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.

• Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050038

Practice locations

Addresses where Elizabeth W. Hwang is enrolled with Medicare (CMS data updated October 2, 2026).

• 751 S Bascom Ave, Santa Clara Vly MedSan Jose, CA 95128 (408) 885‑5000

Group practices

Medicare enrollment lists Elizabeth W. Hwang as a member of this group (CMS data updated October 2, 2026).

• County of Santa Clara1,022 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in California →

Other gastroenterologists in San Jose

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

• Natalia J. Torok, MD
• Michael Northcutt, MD
• Khanh K. Nguyen, MD
• Edward S. Huang, MD
• Jagjit S. Raju, MD
• David Lin, MD
• Hoan V. Tran, MD
• Eugenie Shieh, MD

All gastroenterologists in San Jose →

Other clinicians in County of Santa Clara

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

• Rand S. Barnard, MD
• Daon Ha, MD
• Priya B. Panneerselvam, DO
• Stephen L. McKenna, MD
• Aeman Asrar, MD
• Carlos Alvarez, 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