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

Gregory Gruener, MD

Individual provider Clinical Neurophysiology Physician · NPI 1689640138

Gregory Gruener, MD is a Neurology in Maywood, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1979, 47 years ago. Practices with Loyola University Medical Center, a 946-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
47
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 Maguire Ctr Rm 2700
Maywood, IL 60153
Phone: (708) 216-2662
Fax: (708) 216-5617
Show map & directions

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

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 36064200 (IL)
Clinical Neurophysiology Physician Taxonomy 2084N0600X · Licence 36064200 (IL)

Record details

NPI number1689640138
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 24, 2006
Last updated in NPPESNovember 11, 2021
Certification dateNovember 11, 2021
Mailing address2160 S 1st Ave, Maguire Center, Rm. 2700, Maywood, IL 60153

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Loyola University Medical Center — 946 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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