Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Tyken C. Hsieh, MD

Individual provider Anesthesiology Physician · NPI 1013147388

Dr. Tyken C. Hsieh, MD practises Anesthesiology in Los Angeles, California. Graduated from Harvard Medical School in 2006, 20 years ago. Practices with Anesthesia Care Associates Medical Group, Inc, a 110-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
Harvard Medical School
Licensed in
CA
In the registry since
2009
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

757 Westwood Plz Ste 3304
Los Angeles, CA 90095-8358 Not confirmed with CMS for 15 years — call before visiting
Phone: (310) 267-8680
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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 A104194 (CA)

Record details

NPI number1013147388
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 21, 2009
Last updated in NPPESApril 20, 2011

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2006 (20 years in practice)
Group practice Anesthesia Care Associates Medical Group, Inc — 110 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 patients196
Services billed 385 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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 Anesthesia Care Associates Medical Group, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 110 clinicians in the practice; 12 are shown here.

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