Felix Obregon
Internist
1971 Gowdey Rd, Ste 205
Naperville, IL 60563
LOCAL HEALTHCARE PROVIDERS
Tebra only allows patients to write reviews following their scheduled appointment with the provider or practice.
Tebra verifies providers before they can appear in Tebra search. Find a top-rated provider and book an appointment instantly.
105 providers
Availability last updated 09/03/2026
Felix Obregon
Internist
1971 Gowdey Rd, Ste 205
Naperville, IL 60563
Robert Winiecki, MD
Internist
1500 Eisenhower Ln
Ste 700
Lisle, IL 60532
Asima Doriwala, MD, is a board certified internal medicine physician dedicated to providing personalized and compassionate care to her patients. Dr. Doriwala grew up in Maryland and earned both her bachelor’s and medical degrees from the University of Maryland
She completed an internal medicine residency in 2014 at Loyola University Medical Center in Maywood, IL and since then, has been practicing primary care in the Chicagoland area. With a patient-centered approach, Dr. Doriwala combines clinical expertise with attentive listening to help patients achieve their best possible health. She is adept at treating a wide variety of acute and chronic medical concerns, and has particular interests in mental health, women’s health, and preventative care.
When not in clinic, Dr. Doriwala enjoys traveling, crochet, and spending time with her husband and three children.
Asima Doriwala, MD
Internist
2009 Warrenville Road
Suite C
Lisle, IL 60532
Hameed Ali, D O
Internist
55 West 22nd Street
#160
Lombard, IL 60148
Mustafa Sayeed, DO
Internist
1919 S Highland Ave Ste B300
Lombard, IL 60148
David Chiou, MD
Internist
1300 S Main St
Lombard, IL 60148
Corpia Keyes, MD
Internist
3s202 Deerpath Road
Batavia, IL 60510
John Ibrahim, MD
Internist
6935 Fieldstone Dr
Willowbrook, IL 60527
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
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
Nischal Raya, MD, is a pulmonary and critical care medicine physician at Midwest Respiratory Ltd., which has offices in Joliet and New Lenox, Illinois. He is board-certified in pulmonary diseases, critical care medicine, and internal medicine.
Dr. Raya earned his Bachelor of Science at the Ohio State University in Columbus, Ohio, where he graduated magna cum laude in 2011. He then earned his Doctor of Medicine from The University of Toledo, located in Toledo, Ohio. He then went on to complete his internship and fellowships in pulmonary medicine and critical care at RUSH University Medical Center in Chicago.
To stay up to date with the latest advancements in medicine, Dr. Raya maintains professional memberships with the American Thoracic Society, the Society of Critical Care Medicine, the American College of Physicians, and the American Medical Association.
At Midwest Respiratory Ltd., Dr. Raya treats a wide range of conditions but specializes in treating patients with lung and respiratory issues, like asthma, pneumonia, COPD, emphysema, and complicated chest infections. He also welcomes patients seeking treatment for breathing issues or post-COVID care to schedule an appointment at Midwest Respiratory Ltd.
To schedule an appointment with Dr. Raya, call the nearest Midwest Respiratory Ltd. office or request an appointment online today.
Dr. Nischal Raya, MD
Internist
903 N. 129th Infantry Drive
Suite 400
Joliet, IL 60435
