Find a Top Internist Near Me in Tinley Park, IL – Book an Appointment Instantly

Dr. Firas Zakaria is an internal medicine specialist with offices in Palos Heights, Illinois. He welcomes residents from Palos Heights and its surrounding communities to experience health care that’s focused on wellness and creating long-term patient-physician relationships. His practice is a patient-first approach that includes safe and effective management of both acute illnesses and long-term chronic diseases such as diabetes, heart disease, and hypertension.

Dr. Zakaria combines his extensive medical training and skill with a passion for optimizing the health and well-being of every patient. He received his medical degree from the prestigious Damascus University School of Medicine. He completed a residency program in pathology at the University of Damascus and a second residency in internal medicine at Chicago’s Mercy Hospital and Medical Center.

As a primary care physician, Dr. Zakaria is skilled in supervising all facets of his patients’ health. He’s well known for his longer than average appointment times, which allow him the opportunity to truly understand the needs and concerns of his patients. Rather than simply writing a prescription for high-risk medications such as narcotics or sedatives for symptom management, Dr. Zakaria is dedicated to discovering and resolving the underlying issues causing those symptoms.

His comprehensive approach to patient care includes being available to his patients for same-day or next-day appointments when necessary. He’s also an experienced hospitalist who continues to follow his patients during hospitalizations and after acute care/emergency department visits.

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.

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. 

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. 

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.

Saira Khanna MD is a board-certified medical and surgical retina specialist at Retina Consultants Ltd. Dr. Khanna earned her undergraduate degree in Neurobiology with minors in Spanish and Economics at Harvard University in Cambridge, Massachusetts. She attended the University of Wisconsin School of Medicine and Public Health for medical school. She completed her ophthalmology residency at the University of Chicago and continued her medical training in vitreoretinal surgery, completing her fellowship at The Retina Institute in St. Louis, MO. Dr. Khanna's areas of expertise include diabetic retinopathy, macular degeneration, retinal vascular diseases, macular holes, epiretinal membranes, uveitis, and other retinal pathologies. In her free time, Dr. Khanna enjoys playing tennis/pickleball, eating at new restaurants, and traveling.

Samer Kassar, MD, is a board-certified neurologist and the lead practitioner at Midwest Neurology Associates, P.C. in Dyer, Indiana. In addition to patient care, Dr. Kassar uses his medical expertise to act as a leader, guide, and educator for the staff. His range of medical knowledge contributes greatly to the breadth of services offered at Midwest Neurology Associates, from routine diagnosis to neurological critical care.

Born in Damascus, Syria, Dr. Kassar received his Doctor of Medicine from the University of Damascus School of Medicine, graduating with honors at the top of his class. He then relocated to the US and completed his residency at Saint Louis University, School of Medicine in St. Louis, Missouri.

Following his residency, Dr. Kassar worked as an internal medicine hospitalist at Heartland Regional Medical Center in Marion, Illinois, as well as an emergency room physician at the VA Medical Center, also in Marion. After working for a few years, Dr. Kassar decided he wanted to focus on neurology and completed his neurology residency at the Medical College of Georgia in Augusta, Georgia.

Dedicated to his career, Dr. Kassar has conducted extensive research and participated in many conferences. He’s also active within his professional community, acting as an interpreter and translator for Arabic to English and vice versa in a number of international medical conferences. Dr. Kassar previously trained physicians in Syria and provided medical care in and around Damascus to the underprivileged.

When he isn’t focused on helping change his patient’s lives, Dr. Kassar enjoys playing and watching soccer and traveling around the world. Continuous learning is Dr. Kasser’s personal mission, and he’s always looking for the latest and greatest techniques from medical practitioners around the world that would benefit his patients.