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

Individual provider Internal Medicine Physician · NPI 1578539516

Dr. Robert Siew, MD is an Internal Medicine in Pasadena, California. Graduated from Tulane University School of Medicine in 1986, 40 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2006
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

10 Congress St Ste 155
Pasadena, CA 91105-3027
Phone: (626) 521-5331
Fax: (626) 486-0181
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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 A45333 (CA)

Record details

NPI number1578539516
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 28, 2006
Last updated in NPPESOctober 13, 2022
Certification dateOctober 13, 2022
Mailing address10 Congress St Ste 155, Pasadena, CA 91105-3027

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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