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

Timothy Tien-Wei Cheng, MD

Individual provider Orthopaedic Surgery Physician · NPI 1972940872

Timothy Tien-Wei Cheng, MD is an Orthopedic Surgery in Fountain Valley, California. Graduated from University of California, Geffen School of Medicine in 2013, 13 years ago. Practices with Orthowest, a 47-clinician group and accepts Medicare assignment. Licensed in California and Massachusetts.

Years since qualifying
13
Trained at
University of California, Geffen School of Medicine
Licensed in
CA, MA
In the registry since
2013
Specialties on file
3
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

8700 Warner Ave Ste 140
Fountain Valley, CA 92708-3209
Phone: (714) 850-7300
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A132691 (CA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 278393 (MA)
Sports Medicine (Orthopaedic Surgery) Physician Taxonomy 207XX0005X · Licence A132691 (CA)

Record details

NPI number1972940872
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2013
Last updated in NPPESJanuary 17, 2023
Certification dateJanuary 17, 2023

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Orthowest — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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