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

Margaret Jane Herr, MD

Individual provider Internal Medicine Physician · NPI 1619818788

Margaret Jane Herr, MD is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2026
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5841 S Maryland Ave Ste MC7082
Chicago, IL 60637-1465
Phone: (773) 702-6840
Fax: (773) 702-2230
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 125.087592 (IL)

Record details

NPI number1619818788
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 2, 2026
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

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