Janet R. Chang, MD

Medicare activity in 2024

Official CMS public-use data for Janet R. 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)17 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 cholesterol65%
• High blood pressure55%

Hospitals where Janet R. Chang works

Medicare's Facility Affiliation Data lists Janet R. 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.

• University Medical Center of El PasoEl Paso, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450024

Practice locations

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

• 19950 Rinaldi St, Suite 103Porter Ranch, CA 91326 (818) 403‑2400
• 4815 Alameda AveEl Paso, TX 79905 (915) 521‑7902
• 4845 Alameda AveEl Paso, TX 79905 (915) 298‑5444
• 5500 N Desert Blvd, Suite A 1El Paso, TX 79912 (915) 790‑5700

Group practices

Medicare enrollment lists Janet R. Chang as a member of these groups (CMS data updated October 2, 2026).

• Providence Facey Medical Foundation385 clinicians in the group
• El Paso County Hospital District214 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Porter Ranch

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

• Steven W. Lee, MD
• Shan-Fu Huang, DO
• Biayna Zelimkhanian, DO
• Mariam Khachatryan, MD
• Nashlyne Ruth B. Ramos, DO
• Jonathan M. Wong, MD
• Christina H. Nguyen, DO
• Nicholas A. Khasho, DO

All family doctors in Porter Ranch →

Other clinicians in Providence Facey Medical Foundation

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

• Zinat A. Choudhury, MD
• Christopher A. Gruber, MD
• Yoonjee Lee, MD
• Bhuvaneswari Gowthaman, MD
• Mary H. Tioleco, DO
• Benjamin S. Simon, 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