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Internal Medicine Specialists and Pediatric Specialists  •   All of our Providers are Board Certified

Our providers post your lab results as well as your visit summary to your secure portal account.
This allows you to view them at your convenience. 

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Kevin Cronin MDKevin Cronin graduated from the University of Illinois in 1994 with a Master of Science in biology. He received his medical degree in 1998 from Rush Medical College in Chicago, Illinois. He completed his four year residency in Internal Medicine and Pediatrics at Cook County Hospital in Chicago, Illinois in 2002.

Dr. Cronin has been in private practice in McHenry County since 2002, and founded Cronin Medical Group in 2010. He is board certified in both Internal Medicine and Pediatrics.

He has served as an Assistant Medical Student Dean for Rosalind Franklin University and has been a member of the Medical Education committee at Centegra Hospital. Dr. Cronin has an active interest in community health and in pre-operative medicine.

Dr. Cronin lives with his wife and children in Crystal Lake, Illinois.

Ty-Stein-MDTy Stein graduated from the University of Colorado in 1975 with a Bachelor of Science with honors in Aerospace Engineering. He earned his medical degree in 1978 from Loyola-Stritch School of Medicine, and completed his residency at SIU Affiliates.
 
He has been in private practice since 1984 and co-founded Fox Valley Internal Medicine in 1996. Dr. Stein is board certified in Internal Medicine and Critical Care Medicine. He is also Advanced Cardiac Life Support (ACLS) certified and Advanced Wilderness Life Support (AWLS) certified.

Bonnie Bremer MDBonnie Bremer graduated cum Laude from the University of North Dakota in 1976 with a bachelor of Science in Physical Therapy.  She earned her medical degree in 1984 from the University of Minnesota.  Dr. Bremer completed her residency at Abbott/Northwestern Hospital in Minnesota.
 
Dr. Bremer holds academic appointments at the University of Illinois - College of Medicine and Rosalind Franklin Medical School.  She has practiced in McHenry County since 1999 and is board certified in Internal Medicine.

Hospital Affiliations
Centegra Hospital - McHenry
Centegra Hospital - Woodstock
Advocate Sherman Hospital
Advocate Good Shepherd Hospital

George Urban MDAbout Dr. George Urban

George Urban graduated from Southern Illinois University in 1984 with a Bachelor of Arts in Physiology. He earned his medical degree in 1991 from the University of Illinois, and completed his residency at the University of Chicago/Lutheran General.

Dr. Urban holds academic appointments at the University of Illinois, College of Medicine and Rosalind Franklin Medical School. He's practiced in McHenry County since 1994 and is a Senior Aviation Medical Examiner FAA.

Dr. Urban is a member of the Illinois State Medical Society, American College of Physicians, American Medical Association and the McHenry County Medical Society.

Hospital Affiliations
Centegra Hospital - McHenry
Centegra Hospital - Woodstock
Advocate Sherman Hospital
Advocate Good Shepherd Hospital