Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Tien-Yu Chang, MD

Individual provider Anesthesiology Physician · NPI 1225213515

Dr. Tien-Yu Chang, MD practises Anesthesiology in Panorama City, California. Graduated from University of Southern California Keck School of Medicine in 2003, 23 years ago. Practices with Bayside Anesthesia Medical Group, a 48-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

13652 Cantara St
Panorama City, CA 91402-5423 Not confirmed with CMS for 16 years — call before visiting
Phone: (818) 375-2809
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A93643 (CA)

Record details

NPI number1225213515
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 4, 2008
Last updated in NPPESJuly 13, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Bayside Anesthesia Medical Group — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients299
Services billed 378 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Bayside Anesthesia Medical Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 48 clinicians in the practice; 12 are shown here.

Other providers in Panorama City