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Gritz Pierre, MD, is the founder, owner, and medical director of Genesis Personal Healthcare Medicine based in New York City. 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.

Charles Ofori-Ampomah, DNP, FNP is a Family Nurse Practitioner with expertise in comprehensive primary care, preventive health, and chronic disease management. He holds a Doctor of Nursing Practice degree and is trained to provide patient-centered care to individuals and families across all ages. Dr. Ofori-Ampomah practices with a holistic and collaborative approach, focusing on education, prevention, and personalized treatment plans. He is known for his compassionate care, strong communication skills, and commitment to evidence-based practice.

Welcome to Alliance Cardiovascular Care, PLLC, a full-service cardiology practice with offices in the Upper East Side and Midtown East neighborhoods of Manhattan in New York City. Our team brings years of experience diagnosing and treating common heart-related health conditions. We accept most health insurance plans and welcome new patients.

Both Alliance Cardiovascular Care, PLLC, offices are conveniently located and feature a modern, spa-like environment equipped with state-of-the-art diagnostic technology. 

Our founder, Marc Nolan, MD, is a board-certified cardiologist. He has extensive experience diagnosing and treating various heart problems, including carotid artery disease, hypertension (high blood pressure), congestive heart failure, and coronary artery disease. Dr. Nolan also provides diagnostic consultations to catch cardiovascular issues at their earliest stages.

At Alliance Cardiovascular Care, PLLC, we pride ourselves on creating a welcoming and healing environment. Rather than prioritizing high patient volume, Dr. Nolan makes time to meet with each person one-on-one, listening carefully to their symptoms and concerns to create personalized treatment plans that optimize heart health.

Whether you’ve been diagnosed with an arrhythmia and want to prevent it from worsening or you have a family history of heart disease, our compassionate team is here to help. Call the nearest Alliance Cardiovascular Care, PLLC, office to schedule a new patient consultation, or book your appointment online today.

Christopher Savini, B.A. CASAC,  Advanced Counselor is a  NYS Office of Addiction Services and Supports Certified Counselor with over 14 years of dedication, compassion and empathy in counseling individuals with mental health and addictive disorders.

Welcome to Alliance Cardiovascular Care, PLLC, a full-service cardiology practice with offices in the Upper East Side and Midtown East neighborhoods of Manhattan in New York City. Our team brings years of experience diagnosing and treating common heart-related health conditions. We accept most health insurance plans and welcome new patients.

Both Alliance Cardiovascular Care, PLLC, offices are conveniently located and feature a modern, spa-like environment equipped with state-of-the-art diagnostic technology. 

Our founder, Marc Nolan, MD, is a board-certified cardiologist. He has extensive experience diagnosing and treating various heart problems, including carotid artery disease, hypertension (high blood pressure), congestive heart failure, and coronary artery disease. Dr. Nolan also provides diagnostic consultations to catch cardiovascular issues at their earliest stages.

At Alliance Cardiovascular Care, PLLC, we pride ourselves on creating a welcoming and healing environment. Rather than prioritizing high patient volume, Dr. Nolan makes time to meet with each person one-on-one, listening carefully to their symptoms and concerns to create personalized treatment plans that optimize heart health.

Whether you’ve been diagnosed with an arrhythmia and want to prevent it from worsening or you have a family history of heart disease, our compassionate team is here to help. Call the nearest Alliance Cardiovascular Care, PLLC, office to schedule a new patient consultation, or book your appointment online today.

Meet Dr. Firshein

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Dr. Firshein has treated over 25,000 patients who have often experienced life-saving as well as life-enhancing results while receiving the most intensive, state-of-the-art, and personalized treatment available. At the Firshein center, he uses cutting-edge, DNA-based, diagnostic, nutritional, gut biome, and allergy based testing to create customized longevity and anti-aging protocols for his patients. As the best-selling author of the groundbreaking book The Nutraceutical Revolution, Dr. Firshein was the first physician to recommend a precision-based Nutraceutical approach for treating patients by utilizing a customized vitamin supplements and an individualized dietary approach. Known specifically for his detailed consideration of each patient’s medical history and markers’ for chronic conditions, he has developed a reputation for a uniquely compassionate, and effective form of medical care. He treats a wide variety of chronic issues, including asthma and allergies, chronic lyme, chronic pain, diabetes, cardiovascular disease, and osteoporosis, menopause and cancer utilizing therapies which he says are the best of both worlds. Early on in Dr Firshein's career he advocated for a variety of cutting edge therapeutics which were considered avant grade at the time including IV Therapy, food allergy desensitization drops and bio-identical hormones.

Dr Richard Firshein is the author of the best-selling books the Vitamin Prescription for Life, Reversing Asthma and Your Asthma Free Child. In addition to being an Osteopathic Physician, Dr. Firshein is  also a Certified Medical acupuncturist trained at the University of California, Los Angeles (UCLA), incorporating both Eastern and Western modalities into his therapeutic regimen. Dr Firshein has helped other doctors come up through the ranks by serving as assistant professor of Family Medicine at the New York College of Osteopathic Medicine, and as director of residency training in Family Medicine and director of medical education at Brookdale and St. Claire's Hospital in New York City.   

In addition to his professional/medical experience, Dr. Firshein belongs to numerous medical organizations, such as The American College of Occupational and Environmental Medicine, the American Academy of Medical Acupuncture, the American Board of Forensic Medicine, the New York County Medical Society, the American Osteopathic Board of Family Physicians, and the American Academy of Anti-Aging Medicine, the American Osteopathic Association and the American Medical Association. 

Dr. Firshein’s innovative approach to holistic treatment methods and his considerable experience have garnered him numerous awards, such as Castle Connelly's “Top Doctor” and The Vitals “Most Compassionate Doctor” Award,  and was also recognized as one of "The Leading Physicians of the World" as well as a  Healthgrades Honor Roll physician.  His groundbreaking approach to medicine has made him a consistently sought-after medical expert on numerous television programs, including CNN, FOX News, CNBC, HLN, Good Day New York, WPIX Morning Show, CBS Morning News, and The Food Network. Dr. Firshein also hosted his own  highly successful radio show, House Calls, for over 10 years. He has traveled the world and spoken at numerous prestigious medical conferences educating physicians, pharmacists and the lay public.

As a contributing editor for Psychology Today, Dr. Firshein explored the connection between mind, body, and nutrition. He has been prominently featured in numerous popular magazines including Vogue, Harper's Bazaar, People, Self, Good Housekeeping, Men's Health, and Bottomline Health. His precision-based approach was featured in Town and Country magazine, which highlighted his work and research on the role of precision-based medical treatments, allergies, and diet. On the professional side, his clinical approach to health has been featured in the international medical journal Biomed where he authored numerous articles for an International physician based audience looking to incorporate advanced medical therapeutics.

Sandra Gilban, MD PC, is a board-certified family medicine physician, with an office in the Upper East Side neighborhood of New York City, New York. Dr. Gilban is proud to offer concierge medicine at her practice for a wide range of primary care and wellness services. 

Dr. Gilban attended the Federal University of Rio de Janeiro, graduating in 1984 with her doctorate in medicine. She completed residency training at Lutheran Medical Center and a fellowship at Sidney Hillman Health Center. After completing her medical education, she became certified in advanced colposcopy. 

With a passion and dedication to medicine, she has conducted six research projects and published three articles in accredited medical journals. She has been recognized as a “Top Doctor” and an “Exceptional Woman in Medicine” by her peers for her work as a family medicine physician.

 She founded her concierge practice, Sandra Gilban, MD PC, in 2011. A concierge model of care allows Dr. Gilban to provide more personalized healthcare. She offers custom wellness checkups, annual physicals, chronic disease and diabetes management, and hypertension treatment. Patients 12 and older may receive help and guidance for women’s health and weight loss. 

Dr. Gilban speaks four languages — Portuguese, Spanish, French, and English — giving her a unique ability to provide a comfortable patient experience for her non-English-speaking patients.

Sandra Gilban, MD PC, holds a special interest in preventive medicine to protect patients from potential health problems and works closely with them to optimize their current health and wellness. Call the office or schedule an appointment online today. 

 

 

Irene Diakogeorgios is a licensed registered pharmacist. Upon receiving her degree from Arnold and Marie Schwartz College of Pharmacy, Long Island University, Brooklyn  in 1991 Irene services the Astoria/Long Island City community for over thirty years. Through a personalized approach and strong community ties with physicians and other health care providers, Irene continues to educate patients on their well being with courtesy, kindness, and respect.

Aaron Sternlicht is the Chief Operating Officer and Chief Financial Officer of Family Addiction Specialist, a boutique, private practice in New York City catering to ultra-high-net-worth individuals and families. As COO, Aaron oversees a highly dedicated team to ensure discreet, personalized, and exceptional care, managing all aspects of operations from admissions and scheduling to billing and health information management. In his role as CFO, he directs payor relations and financial strategy, ensuring the firm maintains the highest standards of service and patient outcomes.

Aaron’s career uniquely blends clinical expertise with business acumen. He has extensive experience in outpatient and inpatient mental health and addiction treatment, paired with a sophisticated understanding of investments and business management. He holds a bachelor’s degree in business and political science from the University of Vermont and a master’s in mental health counseling from Pace University. As a Licensed Mental Health Counselor and Certified Alcohol and Substance Abuse Counselor, and with personal recovery experience, Aaron provides a deeply informed, pragmatic, and patient-centered approach to care.

Specializing in mental health, substance use, and digital addiction, Aaron guides clients toward sustainable, transformative recovery with discretion and warmth. He is widely recognized for his insights into digital addiction and has been featured in various in various media outlets including The Washington Post, Forbes, Fox News, and The New York Post. He contributes regularly to WebMD and serves on the Medical Review Board of Insider, using his expertise to advance awareness and education on addiction.

Dr. Raymond Zakhari is a triple board-certified nurse practitioner, certified in Adult Adolescent Health, Family Health, and Psychiatric Mental Health. He provides comprehensive care of both the mind and body.

He is on staff at New York-Presbyterian Hospital at Weill Cornell Medical Center/ Payne Whitney Clinic appointed to the department of internal medicine. In his private practice, Metro Medical Direct, he provides medical and psychiatric house calls for patients from adolescents to geriatrics with dual diagnosis addiction and mental illness. He provides medical supervision for home detox and provides medication-assisted therapy with Suboxone, naltrexone, and Vivitrol.

His extensive training and experience allow him to manage the medical conditions that may have developed from substance abuse.

Robert Bos, MD, provides integrative, concierge-style medical services for adults in and around the Upper East Side of Manhattan, New York City. Dr. Bos is board-certified in internal medicine and board-eligible in pulmonary diseases. He values time spent learning about a person’s health needs and empowering individuals to achieve their wellness goals.

Born and raised in Amsterdam, Holland, Dr. Bos studied medicine at Universiteit van Amsterdam Faculteit der Geneeskunde in Amsterdam and Pontificia Universidad Católica Madre y Maestra (PUCMM) Facultad de Ciencias de la Salud in the Dominican Republic before settling in New York City. He completed his internal medicine residency at Lenox Hill Hospital - Northwell Health® on Park Avenue in New York City. Dr. Bos also finished a two-year fellowship in pulmonary diseases before starting his private practice in 2009.

Dr. Bos has extensive experience serving as a primary care doctor, providing diagnostic evaluations and customized treatment plans for a range of acute illnesses, injuries, and chronic diseases. He uses advanced technologies like lung function tests and X-rays in the office to provide prompt and accurate diagnostic results.

Preventive care is also a specialty. Dr. Bos offers comprehensive physical exams, immunizations, and health screenings to minimize risk factors for heart disease, cancer, and other chronic diseases. For those with existing health challenges, chronic care management and one-on-one health coaching services are available.

The practice’s membership-based concierge services offer 24/7 access to Dr. Bos’ medical expertise. The staff provides flexible scheduling for same-day sick visits and there are no wait times for in-office or telemedicine visits. Dr. Bos also makes house calls for individuals unable to travel to the office due to illness or transportation issues.

For the convenience of his patients, Dr. Bos speaks fluent English, Spanish, and Dutch. 

Call the office of Robert Bos, MD, to schedule a consultation or book an appointment online today. 

I practice traditional Mt. Sinai trained medicine, with a great appreciation for Integrative and alternative approaches. I look for the latest high-tech approaches including genetic testing, neurocognitive screening, and testing with ‘liquid biopsies’ by a blood test that picks up very early cancers.

I am very open to questions, and I have many years of extensive relationships with excellent subspecialists in various hospitals around the city.

With Elsa, my amazingly competent ‘right hand’, I am available by text when you have a sudden medical concern, when you need lab or X-ray results quickly, a medication refill, an appointment or timing issue, a Covid or booster question, or a question about medication in the news that might pertain to your health.

Elsa Manelli is the heart and soul of the concierge practice. Primary contact person and office manager. Elsa receives and responds to texts and calls reliably, compassionately, and supports me, Stacy, and my patients in a caring and timely fashion. She has trained Allison and Cintia, my office staff, to be equally caring and responsive. Treat them all well, please!

I want to work with patients who appreciate collaboration! ‘You and me versus the issue at hand’.

And I am fortunate to work alongside a wonderful physician assistant with 15 years of experience named Stacy Beaupre who is very involved in integrative care and will be helping me evaluate neurocognitive function. She too is available and on-call.

I can only take a limited number of new concierge patients and I welcome a scheduled five-minute phone conversation where we can see if we are a good fit for one another.