Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Vivian Hsun-Chien Chou, MD

Individual provider Allergy & Immunology Physician · NPI 1457573420

Dr. Vivian Hsun-Chien Chou, MD is an Allergy/Immunology in Evanston, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2002, 24 years ago. Practices with Illinois Allergy and Asthma Specialists SC, a 2-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
24
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IL
In the registry since
2007
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

2500 Ridge Ave Ste 211A
Evanston, IL 60201-2455
Phone: (847) 328-7909
Fax: (847) 328-7919
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 036114020 (IL)

Record details

NPI number1457573420
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 2, 2007
Last updated in NPPESDecember 6, 2021
Certification dateDecember 6, 2021

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2002 (24 years in practice)
Group practice Illinois Allergy And Asthma Specialists Sc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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