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Office
4340 W 95th St
Oak Lawn, IL 60453Phone+1 708-636-1601Fax+1 708-636-1825
Education & Training
- Rush University Medical CenterResidency, Internal Medicine, 1994 - 1997
- Rush Medical College of Rush University Medical CenterClass of 1994
Certifications & Licensure
- IL State Medical License 1994 - 2026
- American Board of Internal Medicine Internal Medicine
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification eClinicalWorks EHR, eClinicalWorks LLC, 2011-2013
Publications & Presentations
PubMed
- 8 citationsHypoxic hepatitis related to profound anemia: how low can you go?Andrew Okas, Joseph Kowalczyk, Robert Stein, Douglas Lee, Charles Berkelhammer
The American Journal of Gastroenterology. 2001-12-01
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