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D. David Ezeanolue, M.D., brings a wealth of experience to Apex Medical Center. With more than 25 years in practice, Dr. Ezeanolue has amassed many impressive skills that he uses to treat patients from in and around Las Vegas and Henderson, Nevada.

Dr. Ezeanolue began his education at the esteemed University of Nigeria College of Medicine where he was a medical and surgical graduate. He went on to do an internship at Kingsbrook Jewish Medical Center in Brooklyn, New York, where he also completed his internship in internal medicine.

Additional experience came through his position as chief resident at the University of Rochester Medical Center in the Department of Physical Medicine and Rehabilitation. In addition to his formal medical training, Dr. Ezeanolue has embraced a lifetime love of learning and has taken numerous opportunities to enrich his understanding of a wide range of medical specialties.

He’s a proud diplomate of organizations such as the American Academy of Pain Management, the American Board of Physical Medicine and Rehabilitation, the American Board of Internal Medicine, the American Board of Electrodiagnostic Medicine, the American Board of Interventional Pain Physicians, and the American Board of Independent Medical Examiners.

At Apex Medical Center, Dr. Ezeanolue is honored to put these skills and experience to use helping patients achieve their personal best in health and wellness. Working to find effective solutions for a wide range of physical ailments is also a driving force in his medical practice. His expertise, along with his personable nature, has earned Dr. Ezeanolue many loyal patients who turn to him in times of need.

Alafuro T. Oruene, M.D., is a valued member of the Apex Medical Center team. A board-eligible physician in both internal medicine and pain medicine, Dr. Oruene is a valuable resource to the greater Las Vegas and Henderson, Nevada, community.

Dr. Oruene began his studies at the University of Nigeria in Lagos, Nigeria. He then earned his medical degree from the Lagos University Teaching Hospital. An internship at Port-of-Spain General Hospital in Trinidad and Tobago further expanded Dr. Oruene’s skill set. While in Trinidad and Tobago, he also completed a residency in anesthesiology at Mount Hope Hospital.  Dr. Oruene pursued a second residency in internal medicine through the prestigious Mount Sinai School of Medicine at North General Hospital in New York. A fellowship in interventional pain management at Memorial Sloan Kettering Cancer Center provided an in-depth period of training.

Throughout Dr. Oruene’s distinguished career, a passion for helping patients move beyond pain and toward healthy function has been central to his medical practice. At Apex Medical Center, he’s proud to be part of a team that has changed the lives of patients of all ages and from all walks of life.

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 Henderson, Nevada and Kingman/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.

Jacqueline Leventhal, DO, is an experienced primary care doctor at Weingrow Wellness & Medical Center in Las Vegas, Nevada. Dr. Leventhal has been in practice for 23 years. With her background in internal medicine, Dr. Leventhal offers a wide range of primary care services and also specializes in wellness and weight loss. She also has extensive training in platelet-rich plasma (PRP) injections for therapeutic and aesthetic applications, along with training in Botox and fillers.

Dr. Leventhal completed her bachelor’s degree in biochemistry at the University of California, Santa Cruz. She then earned her Doctor of Osteopathic Medicine at the College of Osteopathic Medicine of The Pacific in Pomona, California. Afterward, she completed her residency training in internal medicine at the University of San Francisco/Fresno. Prior to joining the team at Weingrow Wellness & Medical Center, Dr. Leventhal worked at various health facilities in California, Utah, and Nevada and has experience serving diverse patient populations and needs.

When she is not working, Dr. Leventhal enjoys training and rescuing wild horses.

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.

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.