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

Michael Hien Bien, MD

Individual provider Internal Medicine Physician · NPI 1689680654

Michael Hien Bien, MD is an Internal Medicine in San Dimas, California. Graduated from Irvine California College of Medicine in 2004, 22 years ago. Practices with California Kidney Specialists, a 16-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
22
Trained at
Irvine California College of Medicine
Licensed in
CA
In the registry since
2006
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

1335 W Cypress Ave Ste # 205
San Dimas, CA 91773-3537
Phone: (909) 542-2770
Fax: (909) 394-1800
Show map & directions

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

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A74264 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A74264 (CA)

Record details

NPI number1689680654
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 31, 2006
Last updated in NPPESMarch 16, 2012
Mailing address1335 W Cypress Ave, Suite # 205, San Dimas, CA 91773-3537

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesNEPHROLOGY
Medical schoolIRVINE CALIFORNIA COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice California Kidney Specialists — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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