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

Individual provider Internal Medicine Physician · NPI 1992795256

Dr. Chienwei Timothy Chen, MD is an Internal Medicine in Irvine, California. Graduated from Boston University School of Medicine in 1998, 28 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
28
Trained at
Boston University School of Medicine
Licensed in
CA
In the registry since
2005
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

4050 Barranca Pkwy Ste 200
Irvine, CA 92604-7706
Phone: (949) 551-1090
Fax: (949) 262-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A79035 (CA)

Record details

NPI number1992795256
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 26, 2005
Last updated in NPPESOctober 13, 2015
Mailing address17360 Brookhurst St, Attn: McMf Credentialing Dept., Fountain Valley, CA 92708-3720

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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