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Vikas Sayal, MD, FCCP, is board certified in Pulmonary medicine, and Critical Care medicine and experienced in Sleep medicine for 15 years. He’s the founder of Pulmonology Group- Lung Specialist in Las Vegas, Henderson, Nevada and Bullhead City, Arizona, a medical practice that specializes in treating the full range of lung and respiratory conditions. Dr. Sayal is also on staff at most hospitals in the area and serves as a intensivist and pulmonologist at different hospitals.

Dr. Sayal trained at the world-renowned Yale University, where he received fellowship training in Pulmonary medicine, then went on to complete his fellowship in Critical Care at the Albert Einstein College of Medicine. He did his transitional year residency at Tufts University, followed by an Internal medicine residency at Saint Barnabas Medical Center in New Jersey.

Dr. Sayal has extensive experience in pulmonary and critical care at several hospitals and currently serves as Chair of Pulmonary and Critical Care services at Western Arizona Regional Medical Center, Bullhead City, AZ .

He’s the author of numerous research papers and articles and continues to serve in various leadership roles.

Dr. Kermani is a dedicated physician who believes in providing compassionate, personalized
care that fosters a strong, trusting partnership with each of his patients. With a deep passion for
preventive medicine, he specializes in evidence-based pharmacologic therapies. He has
researched the role of mitochondria in cellular aging—an area of medicine at the forefront of
innovative health solutions.

Dr. Kermani earned his Doctor of Medicine degree from the University of Santiago School of
Medicine before further honing his skills with an externship at the renowned Cedars-Sinai
Medical Center in Los Angeles. He completed his internal medicine residency at the University
of Nevada, where he developed a comprehensive approach to patient care. Additionally, Dr.
Kermani has advanced certification in designing Sustainable Nutrition Plans from Harvard
Medical School, reinforcing his commitment to holistic, long-term health strategies.

Recognized for his outstanding clinical care, Dr. Kermani has been honored as a Premium
Healthcare Provider by UnitedHealthcare, ranking above their established quality benchmarks.
He has also been ranked in the top tiers of quality of care by Anthem and Medicare.
Beyond his clinical work, Dr. Kermani is deeply involved in shaping the future of medicine. He
has served as a preceptor for Touro University’s Physician Assistant and Doctor of Osteopathic
Medicine students and the University of Nevada, Las Vegas LPN students. His commitment to
medical education extends to his role on the Dignity Health SRQCN Board of Managers, where
he contributed to shaping healthcare policy and improving patient outcomes.

Vikas Sayal, MD, FCCP, is board certified in Pulmonary medicine, and Critical Care medicine and experienced in Sleep medicine for 15 years. He’s the founder of Pulmonology Group- Lung Specialist in Las Vegas, Henderson, Nevada and Bullhead City, Arizona, a medical practice that specializes in treating the full range of lung and respiratory conditions. Dr. Sayal is also on staff at most hospitals in the area and serves as a intensivist and pulmonologist at different hospitals.

Dr. Sayal trained at the world-renowned Yale University, where he received fellowship training in Pulmonary medicine, then went on to complete his fellowship in Critical Care at the Albert Einstein College of Medicine. He did his transitional year residency at Tufts University, followed by an Internal medicine residency at Saint Barnabas Medical Center in New Jersey.

Dr. Sayal has extensive experience in pulmonary and critical care at several hospitals and currently serves as Chair of Pulmonary and Critical Care services at Western Arizona Regional Medical Center, Bullhead City, AZ .

He’s the author of numerous research papers and articles and continues to serve in various leadership roles.

Dr. Ben Kermani has been practicing internal medicine for 27 years in the Las Vegas area. He believes in supportive, personalized care that creates a trusting partnership with his patients. He has a keen interest in preventive medicine and evidence-based pharmacologic therapies and has performed research into the role of mitochondria in cell aging.

Dr. Kermani received his doctor of medicine from the University of Santiago School of Medicine. Further training included an externship at the prestigious Cedars-Sinai Medical Center in Los Angeles and an internal medicine residency at the University of Nevada.

Dr. Kermani has the distinguished honor of being designated as a Premium Provider by UnitedHealth. Additionally, he has ranked in the 98th percentile in Quality of Care by Medicare in 2021, 2022 and 2023.

Dr. Kermani is also involved in academia, holding a preceptorship for Touro University medical students. In addition, he served on the Dignity Health SRQCN Board of Managers.

Dr. Justin Limtong is a fellowship trained Orthopedic Surgeon with a specialized focus on Adult Hip and Knee Reconstruction. His journey began with a Bachelor of Science in Biology from the University of Nevada, Las Vegas. He then earned his medical degree from Nova Southeastern University in Florida and went on to complete his residency from Broward Health Medical Center, a preeminent Level 1 trauma center located in the heart of Ft. Lauderdale, Florida. During his tenure here, he embraced the role of chief resident in Orthopedic Surgery, a responsibility that saw him fine-tune his surgical skills and amass comprehensive expertise spanning the spectrum of Orthopedic Surgery.

Dr. Limtong then completed his fellowship in total joint arthroplasty at the esteemed Cleveland Clinic Florida. He performs a spectrum of advanced procedures including the precision of robotically assisted total and partial knee replacements, muscle sparing Direct Anterior hip replacements, as well as revision total knee and hip arthroplasty. His versatility also encompasses managing fractures and other orthopedic injuries.

Fluent in English, Tagalog (Filipino), and even some Spanish. Dr. Limtong adeptly bridges linguistic divides, nurturing authentic connections with patients from diverse backgrounds. This commitment ensures that the hallmark of exceptional care resonates universally. Dr. Limtong returned to his hometown of Las Vegas in order to provide his patients with utmost compassion, care, and evidence based medicine. His practice is a blend of innovative techniques harmonized with a personalized approach, a testament to his unwavering commitment to the well-being of each patient. 

About Walter J. Willoughby, Jr., M.D.

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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 Maria Nwokike is a well trained endocrinologists. She is being in clinical practice for more than 20 years. She is expert knowledge to treat disorders of the hormone-secreting glands that regulate countless body functions. These ailments include diabetes, thyroid ailments, metabolic and nutritional disorders, pituitary diseases, menstrual and sexual problems.

Dr Maria Nwokike is a well trained endocrinologists. She is being in clinical practice for more than 20 years. She is expert knowledge to treat disorders of the hormone-secreting glands that regulate countless body functions. These ailments include diabetes, thyroid ailments, metabolic and nutritional disorders, pituitary diseases, menstrual and sexual problems.

About Us

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Board-certified family physician Naz Wahab, MD, and her team at Wound Care Experts offer a progressive and integrative approach to medicine at their practice in Las Vegas, Nevada.

Dr. Naz Wahab is a Board-certified physician and a Fellow of the American Professional Wound Care Association who has practiced in Southern Nevada since 2003.  After completion of her residency training, she established her family medicine practice in Las Vegas.  During this time, she encountered and treated countless patients.  This gave her a sense of the gaps in patient care in our community.  

One such gap was the lack of proper wound care.  Hoping to do her part to meet this need, she began to offer these services.  Thus, Wound Care Experts was born, and over the past 20 years has grown into a multimodal wound care and tissue regeneration service line.  Today, Dr. Wahab and her team of providers offer the Las Vegas area modern, evidence-based, and advanced wound healing modalities.  Examples include macrophage technology, negative pressure wound therapy, hyperbaric & topical oxygen therapy, near-infrared spectroscopy and stem cell therapy.  

Some of the most common wounds the group treats include diabetic, arterial, venous, pressure, post-surgical, radiation-induced, autoimmune, palliative wounds, as well as countless other less common wounds.  Wound Care Experts also help patients optimize all aspects of their health that plays a role in wound healing.  This includes nutrition, diabetes management, cardiovascular health, fitness, and psychosocial health.  The team provides services for patients in acute care hospitals, post-acute care facilities, and wound care centers.  New to the Las Vegas market, they have created a clinical research institute for patients that have been unable to heal with other treatment modalities.  

Finally, the team is active in education.  They teach the art & science of wound care via seminars and publications, and are actively involved in clinical research, publications, and conference presentations.