Bianca W. Chang, MD

Medicare activity in 2024

Official CMS public-use data for Bianca W. Chang, 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. Measurement of hydrogen in breath to test for stomach and bowel symptoms (91065)268 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)144 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)65 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 services
5. Biofeedback training for bowel or bladder control, each additional 15 minutes (90913)56 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 pressure66%
• Arthritis64%
• Ischemic heart disease41%
• Anxiety38%
• Osteoporosis34%

Hospitals where Bianca W. Chang works

Medicare's Facility Affiliation Data lists Bianca W. Chang 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.

• Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
• Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262

Practice locations

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

• 8700 Beverly BlvdWest Hollywood, CA 90048 (310) 423‑3277

Group practices

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

• Cedars-Sinai Medical Center799 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in California →

Other gastroenterologists in West Hollywood

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

• Stephan R. Targan, MD
• Simon Lo, MD
• Maria T. Abreu, MD
• Kavya M. Reddy, MD
• Paul Martin, MD
• Kenneth H. Park, MD
• Quin Y. Liu, MD
• Stephen Pandol, MD

All gastroenterologists in West Hollywood →

Other clinicians in Cedars-Sinai Medical Center

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

• Leah C. Lovely, PA
• Stephan R. Targan, MD
• Joshua Puig, PA
• Joshua M. Pevnick, MD
• Michelle L. Friedman, NP
• Anand Gopalsami, 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