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

Wei Ming Sun, MD

Individual provider Gastroenterology Physician · NPI 1164487450

Wei Ming Sun, MD is a Gastroenterology in Elgin, Illinois. Qualified in 1983, 43 years ago. Practices with Illinois Gastroenterology Group LLC, a 116-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
43
Licensed in
IL
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

745 Fletcher Dr Ste 202
Elgin, IL 60123-4749
Phone: (847) 888-1300
Fax: (847) 888-1341
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 36115607 (IL)

Record details

NPI number1164487450
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESJanuary 19, 2023
Certification dateJanuary 19, 2023
Mailing address745 Fletcher Dr Ste 202, Elgin, IL 60123-4749

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Group practice Illinois Gastroenterology Group Llc — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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