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

Robert Sing-Yick Chang, MD

Individual provider Internal Medicine Physician · NPI 1902885833

Robert Sing-Yick Chang, MD is an Internal Medicine Physician in Torrance, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
3
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

3701 Skypark Dr #200
Torrance, CA 90505-4749
Phone: (310) 378-8900
Fax: (310) 791-0786
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 52937 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 52937 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 52937 (CA)

Record details

NPI number1902885833
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 10, 2006
Last updated in NPPESMay 10, 2013
Mailing address3701 Skypark Dr, 200, Torrance, CA 90505-4749

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