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

John Losurdo, MD

Individual provider Gastroenterology Physician · NPI 1548205594

John Losurdo, MD is a Gastroenterology in Chicago, Illinois. Graduated from R Franklin University of Med & SCI/Chicago Medical School in 1988, 38 years ago. Practices with Freeport Regional Health Care Foundation, a 83-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
38
Trained at
R Franklin University of Med & SCI/Chicago Medical School
Licensed in
IL
In the registry since
2006
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

1725 W Harrison St Ste 207
Chicago, IL 60612-3841
Phone: (312) 942-5861
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1045 W Stephenson St, Freeport, IL 61032-4864 — (815) 599-6000
  • 1036 W Stephenson St, Freeport, IL 61032-4865 — (815) 599-6000

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 036-081809 (IL)

Record details

NPI number1548205594
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026
Mailing address1725 W Harrison St Ste 207, Chicago, IL 60612-3988

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolR FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL
Graduated 1988 (38 years in practice)
Group practice Freeport Regional Health Care Foundation — 83 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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