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

Dr. Karen Zimmerman, MD

Individual provider Internal Medicine Physician · NPI 1457517054

Dr. Karen Zimmerman, MD is an Internal Medicine in Arlington Heights, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2007, 19 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
19
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
In the registry since
2008
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

800 W Central Rd
Arlington Heights, IL 60005-2349
Phone: (847) 618-5075
Fax: (847) 618-3259
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036126325 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036126325 (IL)

Record details

NPI number1457517054
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 3, 2008
Last updated in NPPESMay 11, 2021
Certification dateMay 11, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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