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Mitchell B. Cohen, MD. A founding member of Pinnacle Healthcare System, he serves patients at the practice’s office in Pembroke Pines, Florida. 

Dr. Cohen received his medical degree from Georgetown University in Washington, DC. Upon graduating, he completed his medical internship, residency, and cardiology fellowship at North Shore University Hospital-Cornell University and Memorial Sloan Kettering Center in New York. Dr. Cohen then went on to complete his electrophysiology fellowship at the Jackson Memorial Hospital University of Miami in Florida.

At Pinnacle Healthcare System, Dr. Cohen provides a wide range of services. He has a special interest in electrophysiology, which is the study of the heart’s electrical activity and characteristics.

He is currently accepting new patients and warmly welcomes them to Pinnacle Healthcare System. To schedule an appointment with Dr. Cohen, call the Pembroke Pines office or book a consultation online today.

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Howard M. Braver, MD, is a board-certified internal medicine physician at Beth and Howard Braver, MD in Hollywood and Aventura, Florida. He specializes in pulmonology and has more than 25 years of experience treating patients with a variety of acute and chronic disorders, including respiratory disorders.

Dr. Braver received his bachelor’s degree in microbiology from the University of Georgia in Athens and his medical degree from the Medical College of Georgia in Augusta. He completed an internship in the department of medicine at the University of Florida School of Medicine in Gainesville. 

Dr. Braver continued his medical training with a residency at Shands Hospital/VA Hospital Department of Medicine in Gainesville and a fellowship in the hospital’s Division of Pulmonary/Critical Care Medicine.

Dr. Braver is board certified in internal medicine, pulmonary disease, critical care medicine, and sleep medicine. He’s been affiliated with Memorial Regional Hospital in Hollywood since 1997. 

Dr. Braver is a member of the American Medical Association and an associate of the American College of Physicians and the American College of Chest Physicians.

Beth R. Braver, MD, is a board-certified specialist in internal medicine at Beth and Howard Braver, MD, in Hollywood and Aventura, Florida. She has more than 25 years of experience treating patients with a variety of acute and chronic disorders.

Dr. Braver earned her bachelor’s degree in biology with honors from Washington University in St. Louis and her medical degree from the University of Florida College of Medicine in Gainesville, where she also graduated with honors. Dr. Braver continued her medical training with an internship and residency in the Shands Hospital/VA Hospital Department of Medicine  in Gainesville.

Dr. Braver has been in private practice in internal medicine since 1995. She is board certified in internal medicine. 

Dr. Braver has several hospital affiliations in South Florida, including Memorial Regional Hospital in Hollywood, Aventura Hospital and Medical Center, and Mount Sinai Medical Center in Miami. She collaborates extensively with many physicians and specialists at these institutions.

Charles Stone, MD, is a board-certified internal medicine physician at HealthStone Primary Care Partners, located in Hollywood, Florida. 

Dr. Stone received his undergraduate degree from the University of Miami in 1991 and earned his Medical Degree from the University of Miami School of Medicine in 1995. He then completed his internship at Bethesda Naval Hospital in Maryland. From there he served two years on a naval ship out of Norfolk, Virginia, as the ship's physician and then two years with the Marines in Quantico, Virginia. He then returned to UM/Jackson Memorial Hospital from 2000-2002, where he completed his residency training in internal medicine. He has been practicing medicine in Hollywood, Florida, since 2002. 

Outside of the office, Dr. Stone enjoys spending time with his wife and kids, exercising, and cycling. 

To schedule an appointment with Dr. Stone and the team at HealthStone Primary Care Partners, call the office or request an appointment online today. 

David E. Steiner, MD, FACC, is a founding member and the current CEO of Pinnacle Healthcare System. Board certified in internal medicine and cardiovascular disease, he currently sees patients at the practice’s location in Hollywood, Florida.

Dr. Steiner received his Bachelor of Science from the University of Pennsylvania in Philadelphia and his medical degree from New York Medical College. He then completed both his internship and residency at Mount Sinai Beth Israel in New York City and his cardiology fellowship at the University of Connecticut Health Center in Farmington.

At Pinnacle Healthcare System, Dr. Steiner practices all aspects of non-invasive cardiology, with a special interest in nuclear cardiology and echocardiography. He is committed to providing excellent patient care and developing a trusting relationship with them.

He is currently accepting new patients and looks forward to partnering with them at Pinnacle Healthcare System. To schedule an appointment with Dr. Steiner, call the Hollywood office or book a consultation online today.

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Zael Vazquez, MD, is board-certified in critical care medicine, pulmonary disease, and internal medicine. He is proud to provide state-of-the-art medical care to the North and West Broward communities at Pulmonary Care Clinics in Cooper City, Florida. 

Dr. Vazquez completed a residency in internal medicine at Drexel University College of Medicine and a fellowship in pulmonary and critical care medicine at Temple University in Philadelphia, Pennsylvania, where he received special training in the management of patients with complex pulmonary problems such as pulmonary hypertension, interstitial lung diseases, and COPD.

He went on to pursue an advanced fellowship in thoracic transplantation at Temple University. He currently serves as the Chief of Pulmonary Medicine at Memorial Hospital Pembroke and Chief of Respiratory Services at Select Specialty Hospital. 

He prides himself on providing excellent patient care in a compassionate, competent, confident, and communicative manner. Dr. Vazquez is fluent in the Spanish language. He enjoys cycling, physical fitness, and spending time with his wife and daughter.

Dr. Yelyzaveta Prysyazhnyuk is a compassionate and highly trained physician with a strong commitment to advancing mental health care. She brings a rich background in internal medicine and a deep interest in the intersection of physical and mental well-being to her role at Vital Psych MD LLC. Dr. Prysyazhnyuk completed her undergraduate studies at Barnard College of Columbia University before earning her medical degree from SUNY Downstate College of Medicine. She went on to complete her residency in Internal Medicine at the Zucker School of Medicine at Hofstra/Northwell NS/LIJ, where she also obtained certifications as a clinician educator and in lifestyle medicine. At Vital Psych MD, Dr. Prysyazhnyuk is excited to focus her practice on supporting individuals through evidence-based care that bridges the gap between physical and mental health. Her clinical experience and academic foundation have shaped her integrative approach, helping achieving overall well-being and a lasting change.

Alan Testa, DC, is an experienced chiropractor at Sports Chiro & Rehab in Davie, Florida, with more than 20 years of experience in chiropractic care, rehabilitation, and performance-based treatment. He is passionate about helping patients reduce pain, restore mobility, and achieve long-term physical wellness through personalized, evidence-based care.

Dr. Testa earned his Bachelor of Science in Exercise Science from Indiana University and completed his Doctor of Chiropractic degree at Life University in 2002. He is certified in Acupuncture and Active Release Technique (ART), and integrates advanced soft-tissue therapy, corrective exercise, and movement-based rehabilitation into every treatment plan. His clinical background includes working with elite athletes from the NFL, NBA, NHL, and MLB, as well as active individuals and families seeking to improve function and prevent injury.

Throughout his career, Dr. Testa has remained committed to continuing education and innovative care strategies. His certifications include Graston Technique, FAKTR-PM, Muscle Activation Technique, RTS Resistance Training Specialist, golf injury rehabilitation, and enzyme therapy.

He also served as an Active Release Technique Assistant Instructor from 2014 to 2020 and has partnered with performance organizations such as Bommarito Performance and XPE Sports.

In addition to private practice, Dr. Testa has supported athletic programs and major sporting events as a team chiropractor and medical provider, including high school championship teams and endurance competitions.

Outside the clinic, Dr. Testa enjoys spending time with his wife, two children, and their three Labrador Retrievers. He loves traveling, exploring new restaurants, solving escape rooms, and attending concerts and comedy shows.

Juan M. Escobar, MD, MPH, has over 27 years of experience in practicing cardiology. He is proud to bring his extensive experience to the team at AssociatesMD, where he sees patients from the office locations in Plantation and Weston, Florida. 

Dr. Escobar earned his medical degree at the University of Texas Southwestern Medical School in Dallas. He completed his internal medicine residency and fellowship at the same institution. Dr. Escobar achieved his board certification in Internal Medicine and Cardiovascular Diseases and entry to the American College of Cardiology as a Fellow. 

Following his training, Dr. Escobar began his medical career in Dallas, where he initially worked as an Instructor of Medicine and later as an attending physician at Baylor Hospital. 

For five years, he was part of the Congestive Heart Failure and transplant service providing care to hospital patients and outpatients. He then moved to El Paso, Texas, where he practiced non-interventional cardiology for 20 years providing medical services in a medically underserved community. 

In 2019, Dr. Escobar began a personal goal of obtaining a Master of Public Health online at George Washington University with an emphasis on global health, a program he graduated from in August 2021. In 2022, he began a sabbatical year to allow time for volunteer work. 

For two months, he worked at the World Medical Missions in Kenya at the Tenwek Hospital and traveled to his native Colombia. Before joining AssociatesMD in July 2023, he worked for three months in a temporary capacity at Valley Verde Medical Center in Cottonwood, Arizona.

Dr. Escobar's background in various medical settings allows him to bring a unique perspective to the team at AssociatesMD, where he treats patients with all types of acute and chronic cardiovascular diseases. 

He has a special interest and expertise in the management of chronic heart failure. He believes in actively involving the patient and their family in the treatment of chronic heart disease, using education and counseling to bring about the best possible outcome. He makes a point to consider the complexity of the medicines and dietary changes necessary to achieve that goal.

A passionate learner and traveler, Dr. Escobar is keenly interested in learning and understanding different cultures and languages. He speaks Spanish fluently and has an advanced knowledge of French and some Italian. Lately, he has been focusing on learning a few phrases and words in Swahili. 

Outside of work, Dr. Escobar enjoys outdoor sports like running, cycling, and hiking and water sports like swimming, scuba, and sailing. He believes in setting a good example to his patients on the benefits of physical exercise in being instrumental to good overall health.

Languages Spoken:  English, Spanish, French, Italian  

Francisco Cruz, MD, PA, is a skilled internist serving patients in and around Miami, Florida. From his office, Dr. Cruz and his team bring unmatched care to patients and their families. 

Born and raised in Havana, Cuba, Dr. Cruz received his Doctorate of Medicine from The Higher Institute of Medical Sciences of Havana in 1988. He completed his specialty training in Family Medicine in 1993. 

Relocating to the United States, Dr. Cruz completed his Internal Medicine residency through the Raritan Bay Medical Center, affiliated with Robert Wood Johnson University, and served as Chief Resident. He practiced in Miami for several years following, and finally opened his private practice in 2005. He is a Diplomat of the American Board of Internal Medicine and a Fellow of the American College of Physicians.

With experience working as a hospitalist for 20 years, Dr. Cruz was part of the credential department and a member of the Executive Committee for many years at Jackson South Hospital. He served as a Medical Director in several Skilled Nursing facilities, leading excellent service for post-acute and long-term care. 

Dr. Cruz has been practicing Internal Medicine in Florida for over two decades at different levels of care. He prides himself in providing excellent, personal care to all his patients to help prevent minor to significant health issues and treat them. 

Dr. Cruz loves being part of the Miami community and spends time with his family when not in the office.

Elisabeth Cohn-Gelwasser, MD, is a skilled and practiced Doctor of Medicine specializing in Primary Care and Internal Medicine. Dr. Cohn-Gelwasse sees patients at the multi-specialty medical group’s office in Davie, Florida. She takes time with each individual and consistently delivers high-quality, personalized care.

Dr. Cohn-Gelwasser has vast experience practicing as an internist and primary care physician. She has served the community practicing for nearly 30 years under Total Healthcare of South Florida, Inc. in Pembroke Pines.

She is certified by the American Board of Internal Medicine (ABIM) and works in association with Memorial Hospital Pembroke, Memorial Hospital West, and Memorial Regional Hospital.

Dr. Cohn-Gelwasser is renowned for providing thorough medical care for treating many conditions, including, but not limited to, high blood pressure, diabetes, high cholesterol, bronchitis, sinusitis, asthma, fever, and allergies.

She earned her medical degree from the University of Miami School of Medicine and subsequently completed her residency in internal medicine at the University of Maryland School of Medicine. 

Dr. Cohn-Gelwasser is an active member of the American Society of Bariatric Physicians and the American College of Physicians. She spends time as an adjunct professor at Nova College of Osteopathic Medicine, teaching medicine to future doctors.

Dr. Cohn-Gelwasser is an excellent communicator, which makes her skilled in building and strengthening relationships with diverse populations. 

She strives to make each patient’s visit a pleasant and pain-free experience. She clearly communicates with her patients and ensures they have all the information they need to make the right treatment choices. She is also flexible in working with the changing trends in medicine and the healthcare market.

Dr. Cohn-Gelwasser is an excellent communicator, which makes her skilled in building and strengthening relationships with diverse populations.

Joelle Estrada, MD, is a dedicated Board Certified internal medicine physician with nearly two decades in practice. At AssociatesMD, Dr. Estrada provides patient-centered internal medicine in the Weston, Florida, office. 

Dr. Estrada was born in Manhattan, New York, and raised in Paraguay. She earned her medical degree at Universidad Nacional de Asunción in Asunción, Paraguay. 

Dr. Estrada completed her three-year internal medicine residency at Wyckoff Heights Medical Center in Brooklyn, New York. She stays up-to-date with her medical education to make sure her patients always receive optimal care.

Her focus is preventive care with a holistic, whole-patient approach. Dr. Estrada seeks to keep her patients healthy by combining body, mind, and soul, allowing them to enjoy the best possible quality of life. 

In her free time, Dr. Estrada’s favorite hobbies are watching her son play soccer, spending time with loved ones, and helping her children grow into happy and thoughtful people who respect others. 

Dr. Estrada is currently seeing patients in the Weston AssociatesMD office. 

Languages Spoken: English, Spanish

Amanda Berg, MD, is a skilled, board-certified internist at AssociatesMD in Plantation, Florida.

Originally from Michigan, Dr. Berg completed medical school in Detroit at Wayne State University, then moved to New Orleans for her intern year at Tulane. After Hurricane Katrina, she returned to Detroit and finished her residency training at the Detroit Medical Center. Following her training, she followed the rest of her family to Florida for the sun and warm weather.

Dr. Berg is passionate about metabolic syndrome, including elevated cholesterol, diabetes, and hypertension, often working closely with patients on diet and nutrition to help improve these medical conditions. She has been practicing medicine for over 10 years and feels comfortable treating many medical problems. She will go out of her way to ensure her patients always get 100% of her attention, and she treats every patient like family.

Dr. Berg lives with her three sons and husband. When not at work, you can find her traveling, exercising, and chasing her kids around.