 Nurit Crystal, MD
- Board certification: American Board of Family Practice
- Undergraduate degree: Northwestern University, Evanston, IL; BS Honors Program in Medical Education, 1985
- Doctor of Medicine degree: Northwestern University Medical School, Chicago, IL; 1989
- Residency: Family Practice, UCLA Medical Center, Los Angeles, CA. 1989 – 1992
- Languages: English (native), Hebrew
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 James G. Ekeberg, MD
- Board certification: American Board of Family Practice
- Undergraduate degree: BS, Biology, University of Illinois 1970
- Doctor of Medicine degree: St. Louis University Medical School, 1974
- Residency: Family Practice, Illinois Masonic Medical Center, 1974 – 1977; Chief Resident 1977
- Positions held: Chairman, Dept. of Family Medicine, Northwest Community Hospital, 1983-1986; Chairman, Quality Assurance Committee, Northwest Community Hospital, 1981 – 1989
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 Ena E. Hennegan, DO
- Board certification: American Board of Family Practice
- Undergraduate degree: Gannon University, Erie, PA, BS Biology, 1991
- Doctor of Osteopathic Medicine degree: Chicago College of Osteopathic Medicine, Downers Grove, IL, 1997
- Internship: Osteopathic with focus on Family Medicine, St. James Medical Center, Olympia Fields, IL, 1977-1978
- Residency: Family Practice, Resurrection Medical Center, Chicago, IL, 1998—2001
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 John D. Lightfoot, MD
- Board certification: American Board of Family Practice
- Undergraduate degree: University of Kansas, Lawrence, KS, 1976, Biology, Chemistry and Biochemistry.
- Doctor of Medicine degree: University of Kansas School of Medicine, Kansas City, MS, 1979
- Residency: Family Practice, Lutheran General Hospital, Park Ridge, IL, 1979 – 1982
- Positions: President, Medical Staff, Northwest Community Hospital, 1995; Chief, Family Practice, 1989-1990.
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 Janusz Mejer, MD
- Board certification: American Board of Family Practice
- Doctor of Medicine degree: Karol Marcinkowski University of Medical Sciences, Poznan, Poland, 1995
- Residency: Saint Mary of Nazareth Hospital, Chicago
- Private clinical practice since 2007
- Languages: Polish (native), English
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