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

Individual provider Obstetrics & Gynecology Physician · NPI 1174508642

Mr. John Patterson, MD is an Obstetrics & Gynecology Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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

2525 S Michigan Ave B-522
Chicago, IL 60616-2333
Phone: (312) 567-6691
Fax: (312) 567-6156
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X (IL)

Record details

NPI number1174508642
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 7, 2005
Last updated in NPPESJanuary 3, 2008

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