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

Tianyu Chen, MD

Individual provider Hospitalist Physician · NPI 1164927463

Tianyu Chen, MD is a Hospitalist in Orange, California. Qualified in 2018, 8 years ago. Practices with The Regents of the University of California-Irvine, a 104-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
8
Licensed in
CA
In the registry since
2018
Specialties on file
2
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-8888
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 757 Westwood Plz Ste 7501, Los Angeles, CA 90095-8358 — (310) 319-4698
  • 505 Parnassus Ave, San Francisco, CA 94143 — (415) 476-7931

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A165639 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A165639 (CA)

Record details

NPI number1164927463
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2018
Last updated in NPPESSeptember 10, 2025
Certification dateSeptember 10, 2025
Mailing address5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice The Regents Of The University Of California-Irvine — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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