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

Dr. Chao Sun, MD

Individual provider Occupational Medicine Physician · NPI 1013118884

Dr. Chao Sun, MD is a General Practice in Pleasanton, California. Qualified in 1983, 43 years ago. Licensed in California.

Years since qualifying
43
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5700 Stoneridge Mall Rd Ste 100
Pleasanton, CA 94588-2872
Phone: (925) 915-9530
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence A101860 (CA)

Record details

NPI number1013118884
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 30, 2007
Last updated in NPPESAugust 21, 2012
Mailing address770 Mason St, Vacaville, CA 95688-4646

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Also practisesPREVENTIVE MEDICINE
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

Other providers in Pleasanton