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

Ling Xu, MD, Inc

Organization Internal Medicine Physician · NPI 1033280896

Ling Xu, MD, Inc is an Internal Medicine Physician in Castro Valley, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

20130 Lake Chabot Rd Ste #307
Castro Valley, CA 94546
Phone: (510) 690-9360
Fax: (510) 690-0346
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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 A69273 (CA)

Record details

NPI number1033280896
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ling Xu — President · (510) 690-9360
NPI enumeratedNovember 13, 2006
Last updated in NPPESAugust 22, 2020
Mailing address9615 Crosby Dr, Pleasanton, CA 94588-4613

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