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

Duncan Marshall Mackenzie

Individual provider Internal Medicine Physician · NPI 1487593976

Duncan Marshall Mackenzie is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2026.

Licensed in
IL
In the registry since
2026

Practice location Address checks out

251 E Huron St
Chicago, IL 60611-3055
Phone: (312) 926-2000
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125.087676 (IL)

Record details

NPI number1487593976
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 27, 2026
Last updated in NPPESJune 23, 2026
Certification dateJune 23, 2026

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