Our Providers

Our Doctors

Are you looking for a doctor in Long Island? At Heart and Health Medical, we have four convenient locations in Plainview, North Babylon, Middle Island, and Massapequa, making it easy to find a top doctor nearby.

Our clinics also offer a variety of other medical services, ranging from family medicine to podiatry. The knowledgeable doctors and staff provide personalized attention to fit the needs of each individual patient. Our cardiologists, podiatrist, and family medicine physicians can see to all of your health care needs. Heart and Health Medical delivers comprehensive and compassionate health care to patients all across Long Island. We are very proud to call ourselves a Long Island Doctor.

The practice administers many tests including Carotid Doppler, Echocardiogram, Radiation Free and Nuclear Stress Testing, Holter and Event Monitoring, Metabolic Testing, and Peripheral Vascular Studies in our convenient North Babylon office, conveniently located in central Long Island.

Heart and Health works together with your primary care doctor to help care for your heart and your overall well-being for a longer and healthier life. Heart and Health has won the Patient Choice Award in 2008, 2009 and 2010 and Dr. Kavesteen is recognized as a “Leading Physician of the World” and the “Top Cardiologist in Babylon, NY” by the International Association of Cardiologists, and as “One of America’s Top Cardiologists 2010” by the Consumers’ Research Council of America. He was also rewarded 2013 – Best of Long Island Cardiologist by The Long Island Press.

Long Island Medical Group


Heart and Health Founder and lead Cardiologist, Dr. David Kavesteen, received his Bachelor of Science in Biochemistry from SUNY Stony Brook. He pursued his passion for medicine at SUNY Health Science Center’s School of Medicine in Brooklyn, NY, and completed his internal medicine internship and residency at the prestigious New York University Medical Center. Dr. Kavesteen continued with further education in cardiovascular diseases and nuclear cardiology, completing his fellowship training at Maimonides Medical Center. He has received numerous awards, and published many medical articles, and founded Heart and Health to pursue his holistic, preventative approach to cardiology.

Board Certified Nurse Practitioner

Samantha Hoffman, BSN, MSN, FNP-BC

Board Certified by the American Nurses Credentialing Center

Samantha Hoffman is a board certified nurse practitioner by the American Nurses Credentialing Center. Prior to her career as a nurse practitioner, Samantha worked as a registered nurse at NYU Winthrop for 6 years and Mount Sinai South Nassau for 2 years. She has experience working on telemetry/stroke, cardio-thoracic intensive care, Covid-19 intensive care, and post-surgical units. She is dedicated and passionate about providing optimal, safe, and patient-centered care. Samantha completed both undergraduate and graduate programs at Molloy College. She is a member of the American Nurses Association.

Cardiology Specialist

Dr. Nicholas Demetriou, NP

Board Certified by the American Association of Nurse Practitioners

Dr. Nicholas Demetriou is a cardiac nurse practitioner.  His specialty is in the area of perioperative management of implantable cardiac devices and postoperative cardiac management.  He previously worked at The Mount Sinai Hospital in NYC for 11 years were he was senior lead NP on the interventional and general cardiology service.  Nick has been involved in cardiac care since 2005.  His first nursing job was in a cardiovascular intensive care unit.  While at Mount Sinai, Nick was part of a select group of nurse practitioners that completed cardiac catheterizations.  Nick helped to expand and write the hospitals perioperative ICD policy and procedure as well as serving as the sole provider of perioperative cardiac device management until the service expanded to include two NPs. Dr. Demetriou is also the inaugural Co-Chair of the Nurse Practitioner Peer Review Committee.

Asthma / Allergy / Immunology Doctors:

Dr. Louis E. Guida Jr. was awarded his medical degree from St. George’s University School of Medicine. He completed his internship and residency in Pediatrics at Monmouth Medical Center, Long Branch, New Jersey. He went on to complete two fellowships – Cystic Fibrosis (Adult and Pediatric) and Pediatric Pulmonology at Hahnemann University Hospital in Philadelphia, Pennsylvania, and Adult & Pediatric Allergy / Immunology at Nassau County Medical Center in East Meadow, New York.

Dr. Guida’s hospital affiliations are Good Samaritan Hospital Medical Center in West Islip, New York, and St. Charles Hospital, Port Jefferson, New York. He is an adjunct clinical assistant Professor of Pediatrics at the New York College of Osteopathic Medicine and is the Medical Director of the adult and pediatric Cystic Fibrosis Programs and the Family Asthma and Allergy Center at Good Samaritan Hospital Medical Center. He is a fellow of the American Academy of Allergy, Asthma and Immunology, American College of Chest Physicians and the American Academy of Pediatrics.

Board Certified by the American Academy of Nurse Practitioners

Ilyse Raziano completed her Bachelor’s Degree of Science in Nursing at Stony Brook University in 2012 and graduated Summa Cum Laude.  She worked as a registered nurse at Stony Brook University Hospital for over five years on a busy medicine-telemetry unit as well as a respiratory care and chronic ventilator unit. While working as a nurse, Ilyse went back to school and studied to become a nurse practitioner.  In 2017, Ilyse earned her Master’s Degree of Science in Nursing after completing the Family Nurse Practitioner Program at Stony Brook University.  Ilyse is board certified by the American Academy of Nurse Practitioners.  While pursuing her NP degree, Ilyse completed a clinical rotation in asthma, allergy and immunology and soon discovered that this was her passion.  She has been working as a nurse practitioner specializing in allergy, asthma, and immunology since 2017.  Ilyse treats a wide variety of patients, including but not limited to patients with asthma, environmental allergies, food allergies, eczema, immune deficiencies, and other atopic conditions. Ilyse is dedicated to improving her patients’ overall quality of life.

Board Certified Nurse Practitioner

Jacquelyn Guida, BSN, MSN, FNP-BC, PCCN

Board Certified by the American Nurses Credentialing Center

Jacquelyn Guida is a board certified nurse practitioner by the American Nurses Credentialing Center. Prior to her career as a nurse practitioner, Jacquelyn worked as a registered nurse at Memorial Sloan Kettering Cancer Center for 5 years and Lehigh Valley Hospital for 1.5 years. She has experience working on respiratory step-down intensive care, Covid-19 intensive care, thoracic and esophageal surgical oncology, medical-surgical, and cardio-thoracic step down units. She is passionate about providing comprehensive, quality, and patient centered care. Jacquelyn completed her undergraduate program at the University of Scranton and graduate program at Pace University. She is a member of the American Nurses Association and the American Association of Critical Care Nurses.

Family Medicine / Primary Care / Internal Medicine Doctors:

Board Certified in Internal Medicine

Dr. Thomas Reisman, a local Plainview resident, recently joined Heart and Health Medical at its brand new Plainview Location. Dr. Reisman earned his medical degree from Charles University Medical School and completed his residency at Mount Sinai Medical Center and the VAMC Medical Center. He is Board Certified in Internal Medicine and has served the Long Island community for over 20 years.

Dr. Behrouz Farahmandpour graduated cum laude from Hofstra University in 1994 with a Bachelor of Arts in Biology. He completed his degree in Doctor of Osteopathic Medicine in May 2002 from New York College of Osteopathic Medicine in Old Westbury, New York. While completing his Family Practice internship and residency training at Long Beach Medical Center, he gained experience by working in hospitals and private practice before returning to NYCOM as Assistant Professor in the Family Medicine Department. In addition to providing patient care in the Family Health Care Center in Central Islip, New York, Dr. Farahmandpour assisted in teaching first and second-year students. He participated in the instruction of classes by taking part in teaching Doctor-Patient Relationship courses run by the Family Medicine Department, Osteopathic Manipulative Medicine labs run by the OMM Department, and problem-based learning courses as part of the Doctor-Patient Continuum track.

His expertise in musculoskeletal medicine and osteopathic medicine provides his patients with an alternative holistic approach to pain management and other medical diseases. Through the use of “Hands-on healing,” Dr. Farahmandpour has been able to heal different diseases, including headaches, lower back pain, and arthritis, without the use of medications. Dr. Farahmandpour’s sincere dedication to his patients and students is reflected in his participation in many different academic and medical endeavors. As a member of nationally recognized osteopathic associations, Dr. Farahmandpour has found another way to participate in and give back to the osteopathic community; he is involved with the American Osteopathic Association, American Academy of Osteopathy, American College of Osteopathic Family Physicians and New York State Osteopathic Medical Society. His involvement in these organizations enriches both his personal skills and his contributions to the students and faculty at NYCOM.

Dr. Reinaldo Gutierrez is an internist in Hicksville, New York and is affiliated with multiple hospitals in the area, including Plainview Hospital and Syosset Hospital. He received his medical degree from St. George’s University School of Medicine and has been in practice for more than 20 years. Dr. Gutierrez accepts several types of health insurance, listed below. He is one of 153 doctors at Plainview Hospital and one of 39 at Syosset Hospital who specialize in Internal Medicine. “I believe in the overall care and well-being of my patients. To provide continuous, comprehensive primary care for all patients in my practice for over 13 years. Listening and caring for each and every patient as a whole is key to diagnosing and caring for each patient individually.”

National Commission on Certification of Physician Assistants

Mrs. Sandy Terc is a registered Physician Assistant who has been excellent medical care in Long Island for over 10 years.  She is a graduate of Stony Brook’s physician assistant program.  Since graduation, Sandy has kept her main focus on family medicine.  Her extensive background in dermatology allows her to take a leading role in performing a majority of the office’s dermatological procedures.  Aside from the everyday well and sick visits, Sandy performs gynecological screenings, teen preventive counseling, and nutritional consultation for her patients.  Sandy enjoys working with patients of all ages and in all aspects of care.  She hopes to continue excelling in her field while helping to improve the health and lives of her patients.

Board Certified by the American Academy of Nurse Practitioners

Krystie Kramer is a board certified family nurse practitioner accredited through the American Academy of Nurse Practitioners. She obtained her bachelors in nursing from the University of Scranton with magna cum laude honors and acceptance into the Sigma Theta Tau International Honor Society. After working as a Registered Nurse at Mather Hospital, she continued her education and obtained her masters in nursing science from Long Island University in 2018 with magna cum laude honors. Krystie has experience as a nurse and nurse practitioner in a variety of settings including primary care, gastroenterology, oncology, employee health, and pre-surgical testing. Krystie is dedicated to providing quality and compassionate care to all of her patients.

American Academy of Nurse Practitioners

Joyce Murray is a Nurse Practitioner with over 20 years of experience in Adult Medicine. She attended Molloy College where she received both her bachelor’s in nursing and her masters as an Adult Nurse Practitioner. Joyce takes time to get to know each patient and provide accurate care according to their needs. Her objective is to provide optimal healthcare for all that enter her practice. Her services include physical examinations, preventive care, immunizations, and sick visits. As an avid runner and New York Marathon and Long Island Marathon medical team volunteer, Joyce offers diet and exercise information.


Top Rated Doctor of Internal Medicine

Dr. Panish received his medical degree from The University of Medicine and Dentistry of New Jersey Robert Woods Johnson Medical School and completed his internal medicine residency at Long Island Jewish Medical Center. With over 35 years of experience in the clinical setting, Dr. Panish is devoted to preventative medicine and continually guides his patients to lead a healthy lifestyle in order to prevent the development of future illness. He has experience with exercise and can thereby help his patients develop exercise programs to meet their individualized goals. Dr. Panish has had many patients who have undergone bariatric surgeries, and with his direction, those patients have been successful in their weight loss journey.

Pain Management & Rehabilitation

Board Certified in Pain Management & Physical Medicine and Rehabilitation

Dr. Kalter graduated from M.D Ross University in 2002 and continued to a Pain Management Fellowship at the Center for Pain Medicine & Rehabilitation in Annapolis, MD. Dr. Kalter is Board Certified in both Pain Medicine and Physical Medicine and Rehabilitation and is a member of Medical Society of the State of New York, Suffolk County Medical Society, American Medical Association, and American College of Physicians. Dr. Kalter is licensed to practice medicine in New York, California, and Maryland and is affiliated with St. Joseph’s Hospital, St. Catherine’s Hospital, Plainview Hospital, and South Nassau Hospital. He has been recognized by both peers and patients for excellence in medical care through numerous national and regional awards including America’s Top Physician, and is an active lecturer motivated to help guide the next generation of medical providers.  



Dr. Esther Hansen received her Bachelor of Science in Biochemistry from SUNY Stony Brook. She completed her Doctor of Podiatric Medicine at New York College of Podiatric Medicine in New York. While completing her Podiatric Surgical residency training at The Department of Veteran Affairs Medical Center in Northport, N.Y., she had the opportunity to work in wound care at Stony Brook University Hospital Leg and Foot Ulcer Group. Prior to joining Heart and Health, Dr. Hansen had been in private practice for eight years. Dr. Hansen is a member of the American Podiatric Medical Association. She is also a Podiatric Surgical Attending at North Shore LIJ Southside, Bay Shore, N.Y., and consulting podiatrist for The Hamptons Center for Rehabilitation and Nursing, Southampton, N.Y.

Womens Health & Anti-Aging

Mary Infantino PhD, RN, ANP, BC

Nationally Board Certified: Nurse Practitioner

Previously, Dr. Infantino had been in practice with the well-known physician and radio talk show host of the “Heart Show,” Dr. Frederic Vagnini. She was a regular guest on Dr. Vagnini’s radio show and created several webcasts aimed at educating the community about both traditional and integrative approaches to health issues such as menopause management, osteoporosis, and Gastroesophageal Reflux Dysfunction (GERD). Additionally, she has co-authored two books with Dr. Vagnini, including “The Heart Surgeon’s Secret to a Healthy Heart” and “Beating the Cardio-Diabetes Connection.”
Mary Infantino has received a doctorate in Nursing from Adelphi University and is currently an Associate Professor and the Chairman of the Nursing Program at the Post Campus of Long Island University, located in Brookville, NY. She is state and nationally certified as an adult nurse practitioner. She has practiced as an RN for 32 years, 22 of which she practiced as a nurse practitioner. Dr. Infantino believes that the advantages of her dual role as nurse practitioner and professor are reciprocal; practice strengthens teaching and teaching reinforces practice. Dr. Infantino practices primary care with an integrative and anti-aging focus, with a sub-specialty in women’s health. She is knowledgeable in bio-identical hormones, weight loss, thyroid issues, supplement programs, and esthetic and facial rejuvenation. Dr. Infantino’s research interests have been focused on older adult health and women’s health, and she has published in both the nursing and medical journals. She has recently completed her latest research project, which included 1500 women, entitled Gastroesophageal Reflux symptoms in pre-menopausal and menopausal women. The results of this study were presented at the National Association of Nurse Practitioners in Women’s Health Annual Conference this year.