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

Guat Sia Sy Jr., MD

Individual provider Surgery Physician · NPI 1114929791

Guat Sia Sy Jr., MD is a Surgery Physician in Dearborn, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2005
Specialties on file
2
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

17000 Hubbard Dr Ste 700
Dearborn, MI 48126-4258
Phone: (313) 271-2990
Fax: (313) 271-1698
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 4301040071 (MI)
Surgery Physician Taxonomy 208600000X · Licence 4301040071 (MI)

Record details

NPI number1114929791
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 12, 2005
Last updated in NPPESNovember 2, 2009

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