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

Dr. Kathleen Lea Summers, MD, PHD

Individual provider Emergency Medicine Physician · NPI 1750433611

Dr. Kathleen Lea Summers, MD, PHD is an Internal Medicine in Jacksonville, Illinois. Graduated from Northwestern University Feinberg Medical School in 1998, 28 years ago. Practices with Macoupin Physician Services, PC, a 13-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
28
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1600 W Walnut St
Jacksonville, IL 62650-1136
Phone: (217) 245-9541
Fax: (217) 606-3057
Show map & directions

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

Additional practice locations (3)

  • 405 W Jackson St, Carbondale, IL 62901-1462 — (618) 549-0721
  • 1600 W Walnut St, Jacksonville, IL 62650 — (217) 245-9541
  • 616 Westwinds Dr, Jacksonville, IL 62650-3612 — (480) 238-2324

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036103814 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 036103814 (IL)

Record details

NPI number1750433611
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJanuary 18, 2007
Last updated in NPPESJuly 15, 2025
Certification dateJuly 15, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1998 (28 years in practice)
Group practice Macoupin Physician Services, Pc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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