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

Andrew A Chen, MD

Individual provider Urology Physician · NPI 1811039480

Andrew A Chen, MD is an Urology in Walnut Creek, California. Graduated from University of Southern California Keck School of Medicine in 2000, 26 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
26
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA, NY
In the registry since
2007
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

1425 S Main St Dept OF Urology
Walnut Creek, CA 94596-5318
Phone: (310) 869-6386
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Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence A80210 (CA)
Urology Physician Taxonomy 208800000X · Licence 238799 (NY)

Record details

NPI number1811039480
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 12, 2007
Last updated in NPPESFebruary 11, 2022
Mailing address1425 S Main St, Department Of Urology, Walnut Creek, CA 94596-5318

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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