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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.

Anastasios Manessis, MD, FACE, ECNU, ABOM, is a board-certified endocrinologist and the medical director at neXendo Wellness, located in the Long Island City neighborhood of Queens and the Murray Hill neighborhood of Manhattan, New York City.

It all began with an idea. An idea involving more than just a prescription – an idea that would involve an entire team. That idea, healthy living. Dr. Manessis is a firm believer in the total spectrum of health. As a double board-certified medical doctor in Endocrinology, Diabetes, and Metabolism, and Obesity Medicine, Dr. Manessis has witnessed how an individual's health is impacted by multiple factors ranging from medication to hormones and diet. He understands that a comprehensive approach to health is the only true option. neXendo Wellness is the living embodiment of this idea.

To schedule an appointment with Dr. Manessis and the team at neXendo Wellness, call the nearest office or request an appointment online today. 

Emmanuel Valery, MD, is a board-certified internist at LaSante Health Center in the Prospect Lefferts Gardens area of Brooklyn. Dr. Valery diagnoses and treats chronic illnesses, offers preventative and primary care, and provides excellent treatments for patients in New York City with cardiovascular, digestive, respiratory, circulatory or other chronic health issues.

Dr. Valery was born in Port-au-Prince, Haiti, and has been in the medical field for over three decades. He immigrated to New York, where he received his Bachelor of Science from Long Island University in New York City. Dr. Valery then completed his Doctor of Medicine at The Universidad del Noreste (UNE) School of Medicine in Tampico, Mexico. He went on to finish his residency in internal medicine at Kings County Hospital and completed the prestigious Fifth Pathway program for the Albert Einstein College of Medicine, both in New York City. 

Serving the community for years, Dr. Valery was the medical director at NewYork-Presbyterian Brooklyn Methodist Hospital, the CEO of Bedford Medical Group, and practiced at SUNY Downstate Medical Center, Kings County Hospital and the Bronx Lebanon Special Care Center, all in New York City.

Dr. Valery leads several community service and outreach initiatives and is a member of the NOAH NY, a not-for-profit organization that helps provide free health care to residents of Haiti. He has received numerous awards for his efforts.

As an immigrant and multilingual in English, Haitian Creole, French, and Spanish, Dr. Valery is passionate about serving diverse patients at LaSante Health Center. He brings years of medical knowledge to provide quality internal medicine care.

Dr. Valery is a member of the American Medical Association, Asclepius Medical Society, and certified by The American Board of Internal Medicine.

 

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Education and training

• State University of New York, Downstate Medical Center, Master's in Family Nursing

Languages spoken

• English
• Spanish
• Hebrew

Dexter McKenzie, MD, is an experienced internist and pediatrician serving patients of all ages at LaSante Health Center in the Prospect Lefferts Gardens area of Brooklyn. Dr. McKenzie has served the central Brooklyn community for over 30 years as a registered pharmacist and physician and treats a wide range of medical conditions for adults and children in New York City. 

After immigrating to Brooklyn from the Caribbean, Dr. McKenzie attended the public schools in the area, then received his Bachelor of Science in pharmaceutical and health sciences from Arnold and Marie Schwartz College of Pharmacy & Health Sciences at Long Island University in New York City. He completed his Doctor of Medicine at Meharry Medical College in Nashville, Tennessee, and was honored with a residency and internship in internal medicine and pediatrics from Kings County Hospital in New York City. 

Dr. McKenzie is proud to serve a diverse range of patients at LaSante Health Center and advocates as a health educator, mentor to youth, and for the medical care of single mothers and senior citizens. He is passionate about supporting the local arts and small businesses. His involvement in the community has garnered him several awards and recognition. 

Dr. McKenzie is president of the Provident Clinical Society of Brooklyn, and a member of the National Medical Association, Medical Society of the State of New York, New York Empire State Medical Association, and The Medical Society of the County of Kings.

 

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Dr. Bella Halpert is a nephrologist specializing in hypertension, chronic kidney disease and dialysis management. She believes good kidney care starts with listening, and she works closely with patients from early diagnosis through dialysis to make complex decisions feel clear and manageable.

Raised in Brooklyn, New York, Dr. Halpert completed both her internal medicine residency and her nephrology fellowship at One Brooklyn Health, Brookdale Hospital, where she was selected as Chief Fellow and devoted much of her time to teaching and mentoring the next generation of physicians. Multilingual in four languages, including Russian, Ukrainian, Hebrew, and Yiddish, Dr. Halpert connects easily with the diverse communities she serves. She brings deep compassion and a strong work ethic to every patient she serves.

At LaSante Health, she is committed to care that is thorough, accessible, and grounded in trust.

Meet Dr. Saka Kazeem at Elk Medical

The outstanding professional team at Elk Medical provides world-class medical care for disorders of the endocrine system and related conditions. Serving the community of Crown Heights, Brooklyn, in New York City, the team creates personalized treatment plans designed to meet the specific needs of each individual patient.

Under the direction of Saka Kazeem, MD, a skilled endocrinologist with more than 30 years of clinical experience, Elk Medical offers a broad array of care options. Dr. Kazeem and his team offer advanced and interventional management, using cutting-edge technology for thyroid disorders, adrenal disorders, diabetes, polycystic ovary syndrome (PCOS), menopause, and many other conditions. In addition to treatment plans, medically supervised weight loss programs at Elk Medical help patients reach and maintain a healthy weight while promoting overall health and wellness.

Dr. Kazeem earned his medical degree from the University of Ibadan’s College of Medicine in Nigeria. He completed his residency in internal medicine followed by a fellowship in endocrinology at Interfaith Medical Center in Brooklyn, New York.

Dr. Kazeem has served as president of medical staff and chief of endocrinology at Kingsbrook Jewish Medical Center in Brooklyn and on the minority affairs committee of the American Association of Endocrinology. He is a two-time recipient of the quality improvement and health outcomes award granted by the Foundation for Post-Acute and Long-Term Care Medicine. In addition to his duties at Elk Medical, Dr. Kazeem serves on advisory committees at Kingsbrook Jewish Medical Center as well as New York–Presbyterian Brooklyn Methodist Hospital in Brooklyn.

The entire team welcomes new patients to Elk Medical for exceptional medical services offered in a warm, friendly environment. To speak to a team member or to schedule a consultation with Dr. Kazeem, call the clinic’s office today or request an appointment online.

Gritz Pierre, MD, is the founder, owner, and medical director of Genesis Personal Healthcare Medicine.
He is a board-certified physician with dual certification in Emergency Medicine and Family Medicine and holds an MBA with a concentration in Healthcare Administration. His background combines extensive frontline clinical experience with formal training in healthcare management, supporting both the clinical and operational requirements of the Company.

Dr. Pierre maintains active medical licenses across multiple U.S. states, enabling nationwide telemedicine practice and supporting the Company’s multi-state service delivery model. His clinical experience spans high-acuity emergency departments, critical access hospitals, ICU-capable facilities, and inpatient hospital medicine settings. In addition, he has extensive outpatient experience working in rural clinics throughout Southern Illinois, providing primary and urgent care services in medically underserved communities.

His professional experience includes independent emergency medicine practice, nocturnist hospital medicine, and ICU-level patient management. Dr. Pierre has served in environments requiring autonomous decision-making, rapid clinical assessment, and coordination of complex care, including stabilization of critically ill patients prior to ICU admission or interfacility transfer.

He has also participated in healthcare fairs and community outreach events, providing physical examinations and preventive care services for local schools and community members.

In addition to his clinical background, Dr. Pierre’s MBA training provides experience in healthcare administration, operations, and financial oversight. This dual competency supports informed governance of Genesis Personal Healthcare Medicine, particularly in areas of regulatory compliance, provider oversight, and operational scalability.

Dr. Golali Nejati is a board-certified Internal Medicine physician serving patients in Brooklyn, New York. He provides comprehensive medical care with a focus on prevention, early diagnosis, and the effective management of both acute and chronic health conditions.

Dr. Nejati earned his Doctor of Medicine degree from Tabriz University of Medical Sciences Faculty of Medicine. With extensive experience in internal medicine, he evaluates and treats a wide range of medical concerns and provides ongoing care for patients who require regular monitoring and follow-up.

His approach emphasizes attentive, individualized care and helping patients better understand and manage their health. From routine medical evaluations and preventive care to the management of ongoing medical conditions, Dr. Nejati is committed to providing thorough and compassionate care tailored to each patient’s needs.

Dr. Nejati practices with Cyrus Medical Group in Brooklyn, New York.

Education & Credentials

• Medical Degree: Tabriz University of Medical Sciences Faculty of Medicine
• Specialty: Internal Medicine
• Board Certification: American Board of Internal Medicine
• Practice: Cyrus Medical Group

Henock Saint-Jacques, MD, FACC, is a distinguished cardiologist and head clinician at Harlem Cardiology on Madison Avenue in East Harlem of New York City. Dr. Saint-Jacques is held in high esteem throughout New York City and is a deservedly popular speaker at medical conferences and meetings. He also mentors medical students and postgraduate fellows.

Dr. Saint-Jacques studied for his medical degree at Universidad de Ciencias Medicas (UCIMED) in San Jose, Costa Rica. After graduating, he relocated to New York City for a residency in internal medicine at Cabrini Medical Center, which he completed in 1998, followed by a fellowship in cardiology at the Montreal Heart Institute in Canada. After completing his fellowship in 2001, Dr. Saint-Jacques studied at Duke University School of Medicine in Durham, North Carolina, and achieved cardiovascular disease certification with the American Board of Internal Medicine in 2003.

Dr. Saint-Jacques is a Fellow of the American College of Cardiology, a distinction that recognizes members who have achieved exceptional standards of professional excellence and made a significant contribution to the field of cardiovascular medicine.

Preview Dr. Saint-Jacques Doximity Profile HERE. 

About Harlem Cardiology on Madison Avenue

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Harlem Cardiology on Madison Avenue provides comprehensive cardiovascular services for the community of East Harlem in New York City since 2003. Heart- and vascular-related diseases are some of the most serious, complex, and widespread health problems in the United States. Henock Saint-Jacques, MD, FACC, and the team at Harlem Cardiology on Madison Avenue specialize in treating conditions such as coronary artery disease (CAD), congestive heart failure (CHF), valvular heart disease, arrhythmia, peripheral vascular disease (PAD), and stroke.

Dr. Saint-Jacques is a Fellow of the American College of Cardiology, the highest honor in cardiovascular medicine that only the very best physicians receive. In addition, Harlem Cardiology on Madison Avenue has some of the leading physicians in the field, providing outstanding diagnostic and treatment services as well as chronic care management for long-term cardiovascular conditions. The entire team is committed to preventing heart disease wherever possible and treating patients who have cardiovascular conditions using the most effective, up-to-date methods and state-of-the-art technology.

Harlem Cardiology on Madison Avenue works with leading researchers and world-renowned experts carrying out clinical research studies, and the cardiovascular physicians all have backgrounds at the foremost medical institutions, such as Harvard, Duke, New York universities, and the Mount Sinai Hospital.

 

 

About Harlem Cardiology on Madison Avenue

---

Harlem Cardiology on Madison Avenue provides comprehensive cardiovascular services for the community of East Harlem in New York City since 2003. Heart- and vascular-related diseases are some of the most serious, complex, and widespread health problems in the United States. Henock Saint-Jacques, MD, FACC, and the team at Harlem Cardiology on Madison Avenue specialize in treating conditions such as coronary artery disease (CAD), congestive heart failure (CHF), valvular heart disease, arrhythmia, peripheral vascular disease (PAD), and stroke.

Dr. Saint-Jacques is a Fellow of the American College of Cardiology, the highest honor in cardiovascular medicine that only the very best physicians receive. In addition, Harlem Cardiology on Madison Avenue has some of the leading physicians in the field, providing outstanding diagnostic and treatment services as well as chronic care management for long-term cardiovascular conditions. The entire team is committed to preventing heart disease wherever possible and treating patients who have cardiovascular conditions using the most effective, up-to-date methods and state-of-the-art technology.

Harlem Cardiology on Madison Avenue works with leading researchers and world-renowned experts carrying out clinical research studies, and the cardiovascular physicians all have backgrounds at the foremost medical institutions, such as Harvard, Duke, New York universities, and the Mount Sinai Hospital.