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

Nancy S.s. Chang, MD

Individual provider Internal Medicine Physician · NPI 1386635621

Nancy S.s. Chang, MD is an Internal Medicine Physician in Oceanside, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

3142 Vista Way Ste 100
Oceanside, CA 92056-3619
Phone: (760) 721-3200
Fax: (760) 754-3855
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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 A40339 (CA)

Record details

NPI number1386635621
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 4, 2005
Last updated in NPPESJuly 13, 2026
Mailing address3142 Vista Way, Ste 303, Oceanside, CA 92056-3619

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