Dr. Robert Wolf, MD
Internist
605 Edward Dr
Romeoville, IL 60446
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269 providers
Availability last updated 05/02/2026
Dr. Robert Wolf, MD
Internist
605 Edward Dr
Romeoville, IL 60446
Dr. Alan Bain, DO
Internist
444 N Northwest Hwy
Suite 200
Park Ridge, IL 60068
Dr. Robert Wolf, MD
Internist
510 N Greenwood Ave
Park Ridge, IL 60068
Dr. Robert Wolf, MD
Internist
9615 Knox Ave
Skokie, IL 60076
Dr. Robert Wolf, MD
Internist
432 Poplar Dr
Wilmette, IL 60091
Dr. Robert Wolf, MD
Internist
335 Ridge Rd
Wilmette, IL 60091
Dr. Robert Wolf, MD
Internist
95 Carleton Ave
Glen Ellyn, IL 60137
Shawn George, DO, is a skilled board certified internal medicine physician serving patients at Yorktown Health in Lombard, Illinois. He earned his Bachelor of Science in Kinesiology from the University of Illinois Chicago. Dr. George then went on to receive his master’s degree in Biomedical Science from Lincoln Memorial University in Harrogate, Tennessee. Dr. George completed medical school at DeBusk College of Osteopathic Medicine and performed his internal medicine residency training at MacNeal Hospital in Berwyn, Illinois.
Dr. George is excited to serve his local community and anyone who is in need of primary care attention. He strives to provide compassionate, individualized primary and preventive care to help his patients live long, happy lives. Dr. George has experience treating many common medical concerns like diabetes, high blood pressure, and hyperlipidemia.
When he is not in the clinic, Dr. George loves to travel, watch movies, and try new foods and restaurants in his favorite city, Chicago, Illinois.
Dr. Shawn George, DO
Internist
2009 Warrenville Road
Suite C
Lisle, IL 60532
Dr. Robert Wolf, MD
Internist
1041a Ridge Road
Wilmette, IL 60091
Jaroslaw Leszczak, MD
Internist
1875 Dempster Street
Park Ridge, IL 60068
Irma Kuptel, MD
Internist
1875 Dempster Street
Park Ridge, IL 60068
Philip Leung, MD, is a board-certified pulmonary disease, critical care medicine, and sleep medicine physician at Midwest Respiratory, Ltd., providing complete respiratory care to adults in Joliet and New Lennox, Illinois.
Dr. Leung brings more than 20 years of experience to the practice. He studied at the Li Ka Shing Faculty of Medicine, University of Hong Kong, earning his medical degree.
After graduation, Dr. Leung moved to the United States and completed an internship, residency, and fellowship at Loyola University Medical Center in Maywood, Illinois. He received extensive training in all aspects of pulmonary and sleep disorders.
At Midwest Respiratory, Ltd., Dr. Leung diagnoses and treats a variety of pulmonary and sleep conditions and has special interests in sleep apnea, home noninvasive ventilation, asthma, chronic cough, and narcolepsy.
Dr. Leung speaks English and Chinese fluently. He is a compassionate physician and he works with patients to achieve lasting symptom relief and improve quality of life.
Dr. Leung welcomes anyone experiencing respiratory or sleep issues to schedule an appointment at Midwest Respiratory, Ltd. today.
Dr. Philip Leung, MD
Sleep Medicine Physician
903 N. 129th Infantry Drive
Suite 400
Joliet, IL 60435
Mohamad Al-Massalkhi, MD, is a critical care and pulmonary medicine physician at Midwest Respiratory Ltd., which has offices in Joliet and New Lenox, Illinois. He is board-certified in critical care medicine, pulmonary disease medicine, sleep medicine, hospice and palliative care medicine, and internal medicine. He has over 30 years of experience working in the medical field.
Dr. Al-Massalkhi completed medical school at Damascus Medical School in Syria in 1991. After relocating to the United States, Dr. Al-Massalkhi completed his internship at Mercy Hospital and Medical Center in Chicago. He then completed fellowships in critical care and pulmonary sleep medicine at Rosalind Franklin University.
Dr. Al-Massalkhi specializes in treating patients with asthma, COPD, emphysema, lung disease, lung cancer, and sarcoidosis. He also can assist patients with smoking cessation and tobacco use disorder.
To schedule an appointment with Dr. Al-Massalkhi, call the nearest Midwest Respiratory Ltd. office or request an appointment using the online booking feature today.
Dr. Mohamad Al-Massalkhi, MD
Internist
903 N. 129th Infantry Drive
Suite 400
Joliet, IL 60435
Midwest Respiratory, Ltd., which has offices in Joliet and New Lenox, Illinois, offers comprehensive pulmonary, critical care, and sleep medicine services to patients in the greater Southwest Chicago suburbs. This specialty group has highly qualified staff led by dedicated board-certified physicians with many years of experience serving their communities.
Our goal is to be the leading resource for patient health care needs, from advanced cardiovascular life support and neurointensive ventilator care to managing asthma and successful smoking cessation.
Our team at Midwest Respiratory, Ltd. often diagnoses and treats lung cancer, pleural disease, pneumonia, asthma, chronic obstructive pulmonary disease (COPD), tuberculosis, bronchiectasis, sarcoidosis, and interstitial lung diseases like pulmonary fibrosis.
Extensive onsite pulmonary function testing, including spirometry and oxygen titration, enables patients to receive a fast and accurate diagnosis.
The practice also has advanced technologies to diagnose and stage lung cancer, manage COPD, determine the cause of chronic coughs, shortness of breath, and other breathing problems. These include endobronchial ultrasound (EBUS), endobronchial valve therapy, Ion™ robotic-assisted bronchoscopy, and other advanced bronchoscopic techniques..
Midwest Respiratory, Ltd. also offers in-lab sleep studies at the Midwest Sleep Disorders Center and home sleep studies for patients who may have obstructive or central sleep apnea, insomnia, or other sleep disorders. The providers also evaluate and manage a patient’s oxygen needs.
Patients visiting Midwest Respiratory, Ltd. can be sure of receiving exceptional health care from doctors, advanced practice professionals, and staff trained and certified to provide comprehensive adult respiratory services. Call the nearest office to learn more, or schedule a consultation by completing the online booking form today.
Manasa Reddy, MD
Internist
903 N. 129th Infantry Drive
Suite 400
Joliet, IL 60435
Diana Doeing, MD, is an internal medicine, pulmonary medicine, and critical care physician at Midwest Respiratory, Ltd., providing high-quality respiratory care to people in Joliet and New Lennox, Illinois.
Dr. Doeing studied at the University of Chicago Pritzker School of Medicine, earning her medical degree. After graduation, she remained at the University of Chicago and completed an internship, a residency, and a fellowship.
At Midwest Respiratory, Ltd., Dr. Doeing diagnoses and treats various respiratory ailments, including emphysema and chronic cough. She has special interests in severe asthma, lung cancer, and advanced bronchoscopy.
Dr. Doeing is a member of several professional organizations, including the Midwest Institute of Robotic Surgery. She also holds staff privileges at Silver Cross Hospital and routinely performs robotic-assisted surgeries to improve respiratory health and quality of life.
Outside of work, Dr. Doeing is active in the respiratory care community. She regularly participates in continuing education and enjoys attending industry conferences and events. Dr. Doeing welcomes anyone seeking improved respiratory health to Midwest Respiratory, Ltd.
Dr. Diana Doeing, MD
Internist
903 N. 129th Infantry Drive
Suite 400
Joliet, IL 60435