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

James Dan, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1841265964

James Dan, MD is a Geriatric Medicine (Internal Medicine) Physician in Downers Grove, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

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

3743 Highland Ave Ste 1001
Downers Grove, IL 60515-1594
Phone: (630) 435-9888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X (IL)

Record details

NPI number1841265964
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 22, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1860 Paysphere Cir, Chicago, IL 60674-0018

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