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

Dr. David E. Barker, MD

Individual provider Internal Medicine Physician · NPI 1306870993

Dr. David E. Barker, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

2020 W Harrison St
Chicago, IL 60612-3741
Phone: (312) 572-4505
Fax: (312) 572-4511
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Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 036073201 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-073201 (IL)

Record details

NPI number1306870993
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESApril 21, 2021
Certification dateApril 21, 2021
Mailing address2020 W Harrison St, Chicago, IL 60612-3741

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