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111 providers
Availability last updated 08/20/2026
Neola Gushway-Henry, MD
Family Physician
Virtual Visit
Wayne, NJ 07470
Joshua Roland, MD
Family Physician
12100 Wilshire Blvd
Los Angeles, CA 90025
Rajesh Shetty, MD, is the lead physician at LungDocs in Kyle and New Braunfels, Texas. He’s board-certified in pulmonary and critical care medicine and brings nearly 30 years of experience to his practice.
Dr. Shetty earned his medical degree from Dr. D. Y. Patil Medical College, Hospital & Research Centre in Nerul, India. He held a rotatory internship at Rajawadi Hospital in Bombay, India, then worked in family practice before moving to the United States.
Dr. Shetty completed his residency in internal medicine at Interfaith Medical Center in Brooklyn, New York. After his residency, he worked as an attending physician and then as the assistant director of the emergency department at Interfaith Medical Center. He was honored as the Best Physician in his department in 2004.
Dr. Shetty continued his education with two fellowships at Baylor College of Medicine in Houston, Texas. The first fellowship was in pulmonary and critical care medicine, and the second was in lung transplantation. During his time at Baylor, Dr. Shetty earned several honors, including Best First Year Fellow, Best Third Year Fellow, Best Fellow in Cardio-Thoracic ICU/Private Practice, and Best Outgoing Fellow.
At LungDocs, Dr. Shetty specializes in pulmonary and critical care. From convenient onsite testing to chronic condition management, Dr. Shetty and the team strive to provide convenient, compassionate, and effective care to adults of all ages.
Rajesh Shetty, MD
Pulmonologist
790 Generations Dr.
STE 405
New Braunfels, TX 78130
At Sleep Health MD, which has offices in Sunnyvale, Los Gatos, Santa Cruz and Watsonville, California, Dr. Aaron Morse has helped many area residents who suffered from sleep disorders. A sleep medicine, pulmonology, and internal medicine specialist, Dr. Morse has been helping patients sleep better for more than 30 years.
After graduating from the David Geffen School of Medicine at UCLA, Dr. Morse completed a residency in internal medicine and a fellowship in pulmonary disease at Cedars-Sinai Medical Center. Today, he is board-certified in internal medicine, pulmonary disease and sleep medicine by the American Board of Internal Medicine.
Thanks to his extensive training and experience, Dr. Morse is able to offer a number of different services. He helps patients with:
Over the course of his career, Dr. Morse has treated many patients. He’s honored that many of the patients he’s seen continue to recommend him to family and friends.
Dr. Aaron Morse, MD
Pulmonologist
260 South Sunnyvale Avenue
Suite 6
Sunnyvale, CA 94086
About Walter J. Willoughby, Jr., M.D.
With board certification in pulmonary medicine, sleep medicine, and internal medicine, Walter J. Willoughby, Jr., MD, is uniquely qualified to provide comprehensive care to women and men living in the Las Vegas area. Patients always feel welcome at his practice, where the staff members know each patient by name and take the time to listen to their concerns.
Dr. Willoughby provides personalized and patient-centered care, with a focus on keeping his patients healthy and out of the hospital. Patients can count on receiving the full range of services, including getting their lung function testing done in the office, which is fully equipped with advanced pulmonary testing technology.
In addition to treating patients with common lung diseases such as asthma, COPD, bronchitis, and pneumonia, Dr. Willoughby also provides expert medical care for complex conditions like pulmonary fibrosis and lung cancer.
If you struggle with tiredness and difficulty concentrating because you can’t get a good night’s sleep, you can count on getting the help you need. Dr. Willoughby received his board certification in sleep medicine in 2005 and has extensive experience treating sleep-related problems such as sleep apnea, insomnia, restless legs syndrome, and narcolepsy.
After graduating with a Bachelor of Science Degree in Physiology from Michigan State University in East Lansing, Michigan, Dr. Willoughby obtained his medical degree from Wayne State University School of Medicine in Detroit. From there he received his medical training in Ann Arbor, Michigan, first finishing his internal medicine internship and residency at St. Joseph Mercy Hospital, then completing his pulmonary medicine fellowship at University Hospital, University of Michigan.
Dr. Walter Willoughby, MD
Pulmonologist
10105 Banburry Cross Drive
Suite 355
Las Vegas, NV 89144
Many residents of Sunnyvale, Santa Cruz, Monterey, and Watsonville, California, have come to Sleep Health MD for help with sleeping problems. The team of doctors at the center provide a wide array of sleep medicine services.
Dr. Daniel Katzenberg, Dr. Aaron Morse, Dr. Zachary Adams and Dr. Sarish Nakka are all highly trained in their respective specialties and respected by their peers in the area. All four physicians are board-certified and have a lot of experience treating patients.
Because each doctor at Sleep Health MD has a unique background, the center is able to offer many different services and treatments. Some of the conditions they treat include the following:
Many of the patients who have come to Sleep Health MD have been successfully treated, and many of them recommend the center to others who have trouble sleeping.
Dr. Daniel Katzenberg, MD, PhD
Psychiatrist
260 South Sunnyvale Avenue
Suite 6
Sunnyvale, CA 94086
Dr. Sirish Nakka, MD
Sleep Medicine Physician
1665 Dominican Way
Suite 222
Santa Cruz, CA 95065
Daniel Norman, MD, is Board Certified in Sleep Medicine, and is the Medical Director at Santa Monica Sleep Disorders Center. He provides treatment options for a wide variety of conditions including snoring, insomnia, obstructive sleep apnea, narcolepsy, parasomnias, and more.
Dr. Norman is a graduate of the University of California, Los Angeles, where he earned a bachelor of science degree in neuroscience and graduated summa cum laude. From there, he attended University of California, Irvine College of Medicine, where he was again recognized for his academic excellence with an Alpha Omega Alpha distinction and acceptance to the National Dean's List. He then completed residency training in Internal Medicine, and a dedicated fellowship in Sleep Medicine at Harvard, and a Pulmonary and Critical Care Fellowship at UC San Diego.
Through his studies, Dr. Norman came to understand the impact sleep had on a person’s health, and developed an interest in the effective treatment of sleep disorders. Dr. Norman has been on the forefront of sleep medicine, as a principal investigator in numerous research studies, a lecturer at UCLA and at various national meetings, and an author of over 20 abstracts, book chapters, and scientific articles in peer reviewed journals.
Dr. Daniel Norman, MD
Sleep Medicine Physician
12301 Wilshire Boulevard
Suite 200
Los Angeles, CA 90025
Nehal Mehta, MD, FCCP, FAASM, is a board-certified pulmonary doctor at Respacare in Bridgewater, New Jersey. He specializes in pulmonology, critical care, and sleep medicine and is especially interested in assisting patients with pulmonary fibrosis, asthma, septic shock, and sleep apnea.
Dr. Mehta earned his medical degree at Saint George’s University School of Medicine in Grenada, West Indies. He then received medical training at the University of Medicine and Dentistry of New Jersey (now part of Rutgers Biomedical and Health Sciences) in Newark, New Jersey, New York University in New York City, and JFK Medical Center in Atlantis/Miami, Florida.
To better serve the diverse community in Bridgewater, Dr. Mehta speaks Gujarati in addition to English.
Dr. Mehta is board-certified in pulmonary medicine, critical care, and sleep medicine.
When his patients require hospital-based care, Dr. Mehta has an affiliation with Robert Wood Johnson University Hospital Somerset in Somerville.
He maintains professional memberships with the American Academy of Sleep Medicine, the Society of Critical Care Medicine, and the American College of Chest Physicians.
Dr. Nehal Mehta, MD
Sleep Medicine Physician
489 Union Ave
Bridgewater, NJ 08807
Prashant Patel, MD, is a board-certified pulmonary physician at Respacare in Bridgewater, New Jersey. He specializes in pulmonary care, critical care, and sleep medicine and works closely with patients with chronic obstructive pulmonary disease (COPD), asthma, allergies, interstitial lung disease, and sleep apnea.
Dr. Patel earned his medical degree at Ross University School of Medicine in St. Michael, Barbados. He then completed medical education and training at the University of Medicine and Dentistry of New Jersey (now part of Rutgers Biomedical and Health Sciences) in Newark, and Hackensack University Medical Center, also in New Jersey. He received further medical training at the East Orange VA Medical Center in New Jersey.
Dr. Patel is board-certified in pulmonary medicine, critical care medicine, and sleep medicine.
For hospital-based care, Dr. Patel has affiliations with Robert Wood Johnson University Hospital Somerset in Somerville and Hunterdon Medical Center in Flemington, both in New Jersey.
He maintains professional memberships with the American College of Chest Physicians, the American Academy of Sleep Medicine, and the Society of Critical Care Medicine.
Dr. Prashant Patel, MD
Sleep Medicine Physician
489 Union Ave
Bridgewater, NJ 08807
Avie Grunspan, MD, is a board-certified sleep medicine specialist and a highly skilled internal medicine practitioner. In his role at Texas Pediatric Specialties and Family Sleep Center, Dr. Grunspan is honored to help adults in the Shavano Park, and Lockhill-Selma areas of San Antonio, Texas, improve their health and get the rest they need to thrive.
Education has always played a central role in Dr. Grunspan’s life. He began his studies at Case Western Reserve University in Cleveland and the University of Cincinnati, both in his native Ohio. He went on to earn his medical degree from Universidad Autonoma de Guadalajara in Mexico, where he met his wife.
Once he returned to the United States, Dr. Grunspan studied in New York at the Albert Einstein College of Medicine and trained for three years at the Mount Sinai program for internal medicine. He spent the following 17 years practicing internal medicine in Rochester, New York.
Seeking a warmer climate and a change of pace, Dr. Grunspan and his family relocated to San Antonio in 2003, where he continued working in internal medicine and became interested in sleep medicine. Today, he primarily focuses on sleep medicine and serves as a clinical assistant professor at the University of the Incarnate Word School of Osteopathic Medicine in San Antonio.
Dr. Grunspan also shares his knowledge and expertise through podcasts as well as both community and professional lectures on sleep medicine. When not working with patients or speaking, you might find Dr. Grunspan enjoying time with his family birdwatching, listening to music, biking, or planning their next travel adventures.
Dr. Avie Grunspan, MD
Sleep Medicine Physician
4114 Pond Hill Road
Suite 102
San Antonio, TX 78231
Kelly Smith, MD, specializes in pediatric pulmonology and sleep medicine, and is a co-founder of Texas Pediatric Specialties and Family Sleep Center in the Alamo Heights, Shavano Park, and Lockhill-Selma areas of San Antonio, Texas. He has achieved fellowship designation in four areas of medical practice to include sleep medicine, pediatrics, pediatric pulmonology, and internal medicine.
A New Braunfels native, Dr. Smith earned his undergraduate degree from Austin College in Sherman, Texas, and remained in the state to complete his medical degree at the University of Texas Health Science Center in San Antonio. He refined his skills and knowledge through an internship and residency at the University of Kentucky Chandler Medical Center in Lexington, where he was also appointed chief resident of internal medicine and pediatrics.
Fellowship training in pediatric pulmonology at Texas Children’s Hospital and Baylor College of Medicine in Houston came next, followed by research and training in sleep medicine through the Texas Children’s Sleep Center in San Antonio.
Dr. Smith went into private practice in 2007 and worked with his partners to open Texas Pediatric Specialties and Family Sleep Center in 2009. He enjoys working collaboratively to offer the highest possible level of care in pediatric pulmonology and pediatric sleep medicine.
When not working with patients, Dr. Smith enjoys spending time with his wife and two children. Flyfishing, mountain biking, whitewater rafting, and soccer keep him outdoors and active, and he tries to take advantage of all that the San Antonio area has to offer.
Dr. Kelly Smith, MD
Pediatrician
4114 Pond Hill Road
Suite 102
San Antonio, TX 78231
Dileep Puppala, MD, FCCP, FAASM, is a pulmonologist at Texas Multi-Specialty Group, located in Houston and Cypress, Texas. Dr. Puppala is board certified in pulmonary, critical care, and sleep medicine. He has been in practice for 12 years throughout northwest Houston.
Dr. Puppala earned his medical degree from Andhra Pradesh University Of Medical Sciences in India. He completed his residency in internal medicine at Saint Vincent's Catholic Medical Center in New York City. Following residency, Dr. Puppala completed a sleep fellowship at Sleep and Wake Disorder Center at New York Hospital - Cornell University, and two pulmonary and critical care fellowships at Memorial Sloan-Kettering and The New York Hospital Medical Center of Queens.
Dr. Puppala has extensive experience in medical leadership. He served as the Medical Director of the medical and surgical intensive care department, the Medical Director of respiratory therapy, and the Chairman of the critical care committee at Houston Methodist Willowbrook Hospital. Since 2004, Dr. Puppala has held the position of Medical Director of the sleep disorder center at Cypress Fairbanks Medical Center in Harris County, Texas. He is also a member of Infection Control and Pharmacy and Therapeutics, Co-Director of Critical Care Services and Respiratory Therapy Departments, and Co-Chairman of Critical Care Committee at North Cypress Medical Center in Cypress, Texas.
Dr. Puppala remains active in his field and holds memberships with many professional organizations. He is a member of the American College of Chest Physicians, the American Medical Association, the Texas Medical Association, the American Academy of Sleep Medicine, and the American Association of Physicians of Indian Origin.
Dr. Puppala has special interests in complicated sleep-disordered breathing, narcolepsy, parasomnias, pulmonary hypertension, pulmonary embolism, interstitial lung diseases, lung cancer, pneumonia, asthma, and more. He performs specialized procedures including bronchoscopy with transbronchial lung biopsies, complicated airway management, percutaneous tracheostomy, chest tube placement, and pulmonary artery catheter placement. He interprets pulmonary function tests, methacholine challenge tests, cardiopulmonary stress tests, diagnostic sleep studies, CPAP titration studies, and multiple sleep latency tests.
When he’s not working, Dr. Puppala enjoys spending time with his wife and two sons. His hobbies include traveling, tennis, reading about world affairs, and cooking.
Dr. Dileep Puppala, MD
Pulmonologist
24518 Northwest Freeway
Medical Office Building 2, Suite 485
Cypress, TX 77429
At Portland Wellness Center, Verna Bain, MD, and her team help the communities in and around Portland and Harriman, Tennessee, stay healthy and active with comprehensive wellness care. With services ranging from men’s and women’s health, nutrition, and IV therapy to opioid and pharmaceutical addiction rehabilitation, Dr. Bain and her team help patients achieve optimal wellness.
Dr. Bain earned her medical degree at St. George’s University School of Medicine in Grenada and served her internal medicine residency at the Metropolitan Hospital Center in East Harlem, New York. Dr. Bain is board-certified in internal medicine, sleep medicine, and addiction medicine.
At Portland Wellness Center, the team aims to educate patients about their health and wellness as well as provide comprehensive health care services. The practice is welcoming and soothing so that patients are comfortable and relaxed, whether they’re coming in for a wellness check or addiction counseling.
The practice also never overbooks and schedules sufficient time for patients to meet with the doctors. This reduces the amount of time spent in the waiting room while optimizing patient care.
Dr. Verna Bain, MD
Internist
522 Devonia Street
Harriman, TN 37748
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