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

Xi Zhai, DO

Individual provider General Practice Physician · NPI 1083148050

Xi Zhai, DO is a General Practice Physician in Castro Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2017
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

19845 Lake Chabot Rd Ste 205
Castro Valley, CA 94546-4055
Phone: (510) 582-6424
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 17505 (CA)
General Practice Physician Taxonomy 208D00000X · Licence 17505 (CA)

Record details

NPI number1083148050
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 17, 2017
Last updated in NPPESMarch 6, 2022
Certification dateMarch 6, 2022
Mailing address1231 Franklin Mall # 207, Santa Clara, CA 95050-4806

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