Find a Top Internist Near Me in North Las Vegas, NV – Book an Appointment Instantly

Rosaly M. Diaz Torruellas, MD is a young, bilingual and Board Certified Internal Medicine Specialist bringing more than 10 years of experience in the art of medicine to RB Wellness Clinic, in Las Vegas. Proudly born Puertorican, Dr. Diaz graduated from one of the top 15 best universities in the Nation, University of Puerto Rico, as Magna Cumlaude student. After obtained a Medical Degree from Autonoma de Guadalajara, School of Medicine, Dr. Diaz, returned to Puerto Rico and completed an internship at Oncology Hospital Dr. Isaac Gonzalez Martinez. After 2 years working as an emergency room physician in multiple hospitals settings, Dr. Diaz decided to specialize in Internal Medicine, and graduated from San Juan City Municipal Hospital in San Juan, Puerto Rico.

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 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.

Filippo Cremonini, MD, PhD, MSc is a graduate of the Catholic University of Rome, Italy, where he also completed residency in Internal Medicine. He finished residency at Mayo Clinic College of Medicine in Rochester, Minnesota, where he obtained a Masters’ degree in Clinical Research, and earned a PhD in Gastrointestinal Physiology. After residency, Dr. Cremonini specialized in Gastroenterology and Hepatology at BIDMC-Harvard Medical School in Boston, Massachusetts. He has held titles of Assistant Professor of Medicine at BIDMC-Harvard Medical School, Assistant Professor of Medicine at the Mayo Clinic College of Medicine, in Rochester, Minnesota, Visiting Professor at U.C.L.A., and holds a title of full Professor of Gastroenterology with the Italian Ministry of University (MIUR). Dr. Cremonini is board certified in internal medicine and gastroenterology by the American Board of Internal Medicine (ABIM).

Dr. Cremonini has authored more than 150 publications in the field of gastroenterology. He is a regular invited speaker and lecturer at the main meetings in the fields of Gastroenterology and Internal Medicine. He has received numerous awards for his research and activities in Europe and in the US. Dr. Cremonini is also fluent in Italian and Spanish.

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.

Ram K. Singh, M.D., F.A.C.C., F.S.C.A.I. is the founder and medical director of Advanced Heart & Vascular Specialists in Las Vegas, NV.  He is board certified in cardiovascular diseases and has been in practice since 1996. Dr. Singh specializes in cardiovascular disease and prevention, coronary stent placement, coronary angiography, peripheral angiography, echocardiography, and nuclear cardiology.

Kathleen Benson, M.D., F.A.C.C. is a practicing interventional cardiologist at Advanced Heart & Vascular Specialists. Dr. Benson specializes in, echocardiography, nuclear cardiology, coronary angiography and intervention, as well as peripheral angiography and intervention, and is board certified in Cardiovascular Diseases and Interventional Cardiology.

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.