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

Khoa Dang Nguyen, MD

Individual provider Internal Medicine Physician · NPI 1386962421

Khoa Dang Nguyen, MD is an Internal Medicine Physician in Castro Valley, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone: (510) 727-3256
Fax: (510) 727-3107
Show map & directions

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

Additional practice locations (1)

  • 17095 Main St, Hesperia, CA 92345-6004 — (760) 241-6666

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A111239 (CA)

Record details

NPI number1386962421
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 13, 2010
Last updated in NPPESOctober 19, 2020
Certification dateOctober 19, 2020

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