Primary Care Doctors

When you have a medical concern, you want immediate access to caring, committed primary care physicians who know you, who know your family, and who know how to help. Your board-certified primary care doctors of The Medical Group of South Florida, serving Jupiter and West Palm Beach, are dedicated to the highest standards in patient care. Several of our physicians are bilingual or trilingual in English, Spanish, and Hebrew, so we can ensure clear, effective communication with all of our patients. If you happen to need a specialist, we can refer you to any of our many physicians who specialize in a variety of medical disciplines. Our Jupiter location can accommodate same-day diagnostic and lab tests run in-house.

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Isabel Bueno, M.D.

Serving West Palm Beach and Jupiter

Dr. Bueno is a Board Certified Medical Doctor who graduated from the graduated at Universidad Central de Venezuela. Dr. Bueno completed her residency program at University of Miami Palm Beach Regional Campus.  She is affiliated faculty at University of Miami, Miller School of Medicine. The University of Miami, Miller School of Medicine reappointed her as affiliated assistant professor. Dr. Bueno is bilingual in English and Spanish.

Michael DeLaneuville


Serving Jupiter

Michael deLaneuville earned his graduate degree from Florida Atlantic University as an ARNP specializing in Adult-Gerontology Nurse Practitioner. He earned his Bachelor of Science in Nursing from FAU and his Bachelor of Science in Microbiology from the University of Florida. With over 5 years of experience, Michael is most verse in diagnostics and initiating treatment for a variety of health problems.

Michael has a broad range of experience in various settings from sub-acute care, long term care, primary care, internal medicine, and quality care measures for all Medicare patients. He takes pride in providing patients and caregivers with education, promoting health preventions, and improving patient’s health outcomes by using evidence-based practice. Most of all, he is someone you can depend on and count as part of your team.

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Bruce M. Eisenberg, M.D., F.A.C.P.


VIP Concierge

Dr. Eisenberg graduated from Wayne State University’ School of Medicine and completed his Internal Medicine residency at Sinai Hospital of Detroit. He is board-certified in Internal Medicine and is a fellow of the American College of Physicians. He has received appointments to Sinai Hospital of Detroit, William Beaumont Hospital of Royal Oak Michigan, Palm Beach Gardens Medical Center, and Jupiter Medical Center. He previously held the position of Clinical Assistant Professor of Medicine at the University of Miami for over 12 years. Dr. Eisenberg specializes in preventive medicine working closely with his patients and customizes care to manage their particular needs. He has received advanced training in yoga and exercise, which he views as two essential components of a healthy lifestyle and can pass this knowledge on to his patients. He has a keen interest in the quality of the environment and its impact on health and is an active environmentalist.


Amir Lubarsky, M.D.

Serving Jupiter

MD 2.0 Website

Dr. Lubarsky is a Board Certified Medical Doctor who graduated from the University of Miami in 1995. Dr. Lubarsky completed his residency program at Jackson Memorial Hospital in Miami, Florida. Dr. Lubarsky has affiliations with the American College of Physicians and the Southern Medical Association. Dr. Lubarsky is proficient in English, Hebrew and Spanish.

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Isis Manhart, M.D.

Serving Jupiter

Dr. Isis Manhart is a Board Certified Medical Doctor who graduated from the Universidade Gama Filho, Rio de Janeiro, Brazil in 2007. Dr. Manhart completed her residency program in Internal Medicine at both Mercy Medical Center and Aultman Hospital in Canton, Ohio where she continued her career as a Hospitalist. Dr. Manhart is married with 2 young boys, speaks fluently in English and Portuguese and joined The Medical Group of South Florida as a Primary Care Physician.

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Avishai Mendelson, M.D.

Serving Jupiter

VIP Concierge

Dr. Mendelson graduated from The University of Miami Miller School of Medicine and completed his Internal Medicine residency at The University of Miami / Jackson Memorial Hospital. Dr. Mendelson was Board Certified by the American Board of Internal Medicine. He was an assistant Professor of Internal Medicine at Nova Southeastern University, a Teaching Attending at Columbia Hospital’s Internal Medicine Program, and is currently a Principal Investigator in Phase 2 and 3 Clinical Trials. He promotes preventative medicine while helping patients navigate complex medical issues. Dr. Mendelson is bilingual in English and Hebrew.


Morgan Poncy, M.D.

Serving Jupiter

MD 2.0 Website

Dr. Poncy is a Board Certified Medical Doctor who graduated from the University of Miami, School of Medicine, in Miami Florida in 1993. Dr. Poncy completed his residency program in Internal Medicine at Jackson Memorial Hospital in Miami, Florida. As well, Dr. Poncy earned his certificate from the American Society of Addition Medicine (ASAM) for Suboxone administration.

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Shelley Roque-Lichtig, M.D.


Dr. Shelley Roque-Lichtig earned her medical degree from the American University of the Caribbean School of Medicine. Prior to that, she obtained her bachelor’s degree from the University of Toronto, Mississauga. She completed a residency in family medicine at Florida Hospital, Winter Park, and a fellowship in sports medicine at Saint Vincent Hospital, Erie.

Dr. Roque-Lichtig is certified by the American Board of Family Medicine with a focus on sports medicine. In addition to sports medicine, she provides other primary care treatments as well, such as eczema, arthritis, asthma, diabetes, hypertension, and pneumonia. She focuses on giving patients the highest quality of care while guaranteeing their participation in managing their own medical conditions.

Originally from Toronto, Canada, Dr. Roque-Lichtig now resides in Palm Beach County with her husband and two children. In her free time, she can be found out and about exploring the area with her family.

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Dr. Sherry Soliman is a Board Certified Medical Doctor who graduated from the University of Toronto’s prestigious Faculty of Medicine. After obtaining her medical degree, Dr. Soliman completed her residency at the Northern Ontario School of Medicine. She has participated in research in Bone Marrow Transplantation at the Harvard Institutes of Medicine in Boston, and in Chronic and Neuropathic Pain Management at SUNY Upstate in New York.

With over 10 years of clinical experience, Dr. Soliman is passionately engaged in the practice of primary and preventive care for the optimization of her patients’ health and wellbeing. She has hospital privileges at Jupiter Medical Center and Palm Beach Gardens Medical Center.

Born in Vermont and having lived in five different countries, Dr. Soliman is proud to call Jupiter home. In her free time, she loves the piano, cooking, traveling the world, and spending time with her loving family, including her adoring Yorkie, Dr. Squeaky.

Ronald Surowitz, D.O.

Serving Jupiter

VIP Concierge

Dr. Surowitz is a 1971 graduate with honors from the College of Osteopathic Medicine and Surgery in Des Moines, Iowa where he trained to see problems holistically. He is a Board-Certified Family Physician committed to helping people Achieve and Maintain Optimal Health. He has been serving the local community since 1983 and his years of experience gives him a well-rounded approach to preventative care. He is a Diplomat of the National Board of Osteopathic Medical Examiners, a member of the Florida and American Osteopathic Medical Associations as well as the Association of Clinical Research Professionals, Principle Investigator of Clinical Trials for Health Awareness, a past President of the Florida Osteopathic Medical Association, Board Chairman of MyClinic “Jupiter Volunteer Clinic”, CME Committee Chairman at Jupiter Medical Center, and past Chairman of the Executive Committee for Palm Beach County Affordable Care Organization in collaboration with Medicare.


Luis Ulloa, M.D.

Serving Jupiter

Dr. Ulloa is a Board Certified Medical Doctor who graduated from the New York Medical College in 1977. Dr. Ulloa completed his residency program in Internal Medicine at Misericordia Hospital in New York. Dr. Ulloa is bilingual in Spanish and English.

Stacy Willett


Serving Jupiter

Stacy Willett earned her degree from Nova Southeastern University as a Physician Assistant, graduating at the top of her class with honors. She holds a dual Masters having previously earned a Masters of Science in Criminology for Florida Atlantic University. Her background includes extensive training in internal and family medicine that developed from her enjoyment in treating a wide variety of medical conditions.

Stacy is native to South Florida. Her and her husband enjoy traveling internationally, CrossFit, and any activities in the great Florida sunshine. She has two big dogs that love long trail runs and beach days.