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

Gregory Jerard Ozark, MD

Individual provider Pediatrics Physician · NPI 1558337840

Gregory Jerard Ozark, MD is an Internal Medicine in Maywood, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1994, 32 years ago. Practices with Loyola University Medical Center, a 946-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
32
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
In the registry since
2006
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

2160 S 1st Ave (7511 Lemont Rd Darien Il 60561)
Maywood, IL 60153
Phone: (630) 985-4989
Fax: (630) 985-4540
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 36094072 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 36094072 (IL)

Record details

NPI number1558337840
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2006
Last updated in NPPESJuly 7, 2021
Certification dateJuly 7, 2021
Mailing address2160 S 1st Ave, 7511 Lemont Rd, Darien, Il. 60561), Maywood, IL 60153

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Loyola University Medical Center — 946 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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