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Y. Joseph Usta, MD, was born in Iowa City, Iowa. He was raised on an American compound in Dhahran called Aramco and went to high school at a Department of Defense Navy base in Bahrain.  He completed his undergraduate degree at the University of Arizona in Molecular and Cellular Biology and Chemistry. He did a year of GI research n pancreatic cell transplant at Emory University in Atlanta. He completed his medical school at the American University of Beirut (AUB). He did his Internal Medicine training at St. Joseph Hospital and Fellowship in Gastroenterology and Hepatology at the University of Arizona in Phoenix, Arizona. During his training he was selected as a fourth year Chief Resident in Internal Medicine and again selected to be Chief Fellow in Gastroenterology.

He also served as an Assistant Professor for both the University of Arizona and Creighton Medical Schools. Currently, Dr. Usta gives monthly lectures to residents and students at Wellington Reginal Medical Center and regularly has residents seeing patients with him in his clinic.

Dr. Usta is trained in all general GI but has a specific interest in liver diseases (Hepatology). He is very comfortable taking care of complex liver diseases including fatty liver, hepatitis B and C, cirrhosis, and getting patients ready for liver transplants consideration.

Dr Usta sees patients upstairs in the clinic and does procedures downstairs at the endoscopy center in the same building, cutting commute time and confusion for his patients. Some of the procedures he does include Upper Endoscopy (EGD), Screening Colonoscopy, and Capsules. He sees patients with Gastroesophageal Reflux (GERD), swallowing difficulties, and Barrett’s Esophagus. He regularly removes colon polyps during screening colonoscopies to help prevent colon cancer.

He also treats hemorrhoids using the CRH O'Regan System banding which is “fast and painless, over 99% effective and covered by insurance with no recovery time, fasting, or sedation” as per their website. 

Professional & Teaching Experiences

• Assistant Professor, University of Arizona.
• Assistant Professor, Creighton Medical School.

Research & Publications

• Poster 1675 Agent Orange Exposure
• Presented an abstract to the 2015 American College of Gastroenterology's (ACG)

Hobbies

Dr. Usta has two daughters and a son, and a pet tortoise named “Tiki”. His hobbies include working out at Orang Theory, fishing, kayaking, biking, and any activity that includes the pool or beach. He is also not scared to try new foods from around the world. He loves gardening and has a few fruit trees that he manages in his backyard. He is currently taking online courses at Standford University on quantum physics for fun and loves to read books about history especially pertaining to World War I and II.

Advanced Cardiovascular Consultants is a cardiology practice serving patients of all walks of life across North Palm Beach County. Located in Atlantis, West Palm Beach, Palm Beach Gardens, and Jupiter, Florida, the practice offers advanced testing and diagnostic services as well as a wide range of surgical and nonsurgical treatments for cardiovascular conditions. The team sums up their approach with the three C’s: comprehensive, compassion, and cardiology.

Advanced Cardiovascular Consultants works hard to diagnose patients accurately and give them as much information as possible about their condition. They perform cardiology consultations and help patients interpret the results of tests like electrocardiograms (ECGs), echocardiography, blood tests, stress tests, and more. They also help patients use their results to make valuable changes to their lifestyle and routine. 

After diagnostics and testing, the team at Advanced Cardiovascular Consultants can provide the treatment, follow-ups, or long-term management you need for your condition. They frequently help patients treat or manage atrial fibrillation and other forms of arrhythmia, varicose veins and valve disorders, coronary artery disease, and many types of heart disease.

Advanced Cardiovascular Consultants conveniently offers many different treatments using the latest available information and techniques. The practice is also affiliated with many hospitals in the region. Depending on the diagnosis and the individual patient’s needs, the expert cardiologists may recommend and perform cardiac catheterization for diagnosis or treatment, angioplasty, aneurysm repair, laser atherectomy, device implantation, sclerotherapy, and more. In many cases, they can treat patients effectively with suggested lifestyle changes or short-term medications alone. 

With same-day visits available, patients don’t have to wait to get high-quality care for the health of their heart and blood vessels. For a cardiology consultation, call Advanced Cardiovascular Consultants or use the online booking tool today.

Advanced Cardiovascular Consultants is a cardiology practice serving patients of all walks of life across North Palm Beach County. Located in Atlantis, West Palm Beach, Palm Beach Gardens, and Jupiter, Florida, the practice offers advanced testing and diagnostic services as well as a wide range of surgical and nonsurgical treatments for cardiovascular conditions. The team sums up their approach with the three C’s: comprehensive, compassion, and cardiology.

Advanced Cardiovascular Consultants works hard to diagnose patients accurately and give them as much information as possible about their condition. They perform cardiology consultations and help patients interpret the results of tests like electrocardiograms (ECGs), echocardiography, blood tests, stress tests, and more. They also help patients use their results to make valuable changes to their lifestyle and routine. 

After diagnostics and testing, the team at Advanced Cardiovascular Consultants can provide the treatment, follow-ups, or long-term management you need for your condition. They frequently help patients treat or manage atrial fibrillation and other forms of arrhythmia, varicose veins and valve disorders, coronary artery disease, and many types of heart disease.

Advanced Cardiovascular Consultants conveniently offers many different treatments using the latest available information and techniques. The practice is also affiliated with many hospitals in the region. Depending on the diagnosis and the individual patient’s needs, the expert cardiologists may recommend and perform cardiac catheterization for diagnosis or treatment, angioplasty, aneurysm repair, laser atherectomy, device implantation, sclerotherapy, and more. In many cases, they can treat patients effectively with suggested lifestyle changes or short-term medications alone. 

With same-day visits available, patients don’t have to wait to get high-quality care for the health of their heart and blood vessels. For a cardiology consultation, call Advanced Cardiovascular Consultants or use the online booking tool today.

Thomas Nguyen, MD, MS, is a skilled internal medicine and nephrology physician at Nguyen Medical Group in Boynton Beach, Florida. Dr. Nguyen considers it a privilege to serve the community where he grew up. 

Dr. Nguyen started his educational pursuits at the University of Florida in Gainesville, where he completed his Bachelor of Science in microbiology in 2000. After completing his undergraduate studies, Dr. Nguyen earned his Master of Science in molecular genetics and gene therapy in 2002, also from the University of Florida. In 2006, he earned his Doctor of Medicine from Drexel University in Philadelphia, Pennsylvania. 

After completing his studies, Dr. Nguyen returned to his home state of Florida, where he completed his residency and fellowship at UF Health Jacksonville (formerly Shands Jacksonville) in 2011. Shortly after, Dr. Nguyen opened Nguyen Medical Group.

As an experienced physician, Dr. Nguyen understands the importance of strong doctor-patient relationships. At well-visits, he takes great pleasure in learning about the lives of his patients while simultaneously assessing their health. Dr. Nguyen takes great pride in being there for his patients, especially when their health is compromised, so he can be their guiding light, steering them back into good health. 

To schedule an appointment with Dr. Nguyen and the team at Nguyen Medical Group, call the office or book online today.

Medical Doctor since 1985. Specialist in Internal Medicine, Gastroenterology and Hepatology. Fellow of The American College of Physician, Fellow of The American Association for the Study of Liver Diseases. Member of the American Association of Gastroenterology, The American Obesity Association and the ALEH. Unrestricted active Medical License in Florida and Puerto Rico (USA). Fifteen years teaching experience in the Gastroenterology Residency Program at Red Cross Hospital "Carlos J. Bello" Former President of the Hepatology Chapter of the Venezuelan Society of Gastroenterology. Published several papers and held presentation in the field of Gastroenterology and Hepatology. Since 2015 Practicing as a Internal Medicine/Liver Diseases Physician in Palm Beach County, Florida, USA. Medical Director at Bright Future Mental Health , Lake Worth, FL. Civil Surgeon Designation by USCIS

 

Dr. Costner McKenzie, MD

Board-Certified Dermatologist | Medical, Pediatric & Cosmetic Dermatology Specialist

Dr. Costner McKenzie is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care to adult and pediatric patients in Manhattan. With expertise in both medical and cosmetic dermatology, Dr. McKenzie combines academic excellence, research leadership, and compassionate patient care to deliver individualized, evidence-based treatment plans.

Schedule an Appointment with Dr. McKenzie

 

Education & Training

Dr. McKenzie’s academic and clinical training reflect a deep commitment to excellence:

• Bachelor’s Degree in Human Biology – Stanford University
• Doctor of Medicine (MD) – Northwestern University Feinberg School of Medicine
• Inducted into the prestigious Alpha Omega Alpha Honor Medical Society
• Dermatology Residency (Chief Resident) – New York University

At Northwestern, Dr. McKenzie’s academic performance and dedication to medicine earned him membership in Alpha Omega Alpha, recognizing exceptional academic achievement and professionalism. During residency at NYU, he refined his diagnostic, surgical, and cosmetic skills under nationally recognized leaders in dermatology and served as Chief Resident in his final year.

 

Clinical Expertise & Special Interests

Dr. McKenzie provides comprehensive dermatologic care with special focus on:

• Eczema and inflammatory skin disorders
• Acne and acne scarring
• Hair loss and scalp conditions
• Skin cancer screening and prevention
• Cosmetic dermatology and injectables
• Pediatric dermatology

His clinical and research interests also include health disparities in dermatology, reflecting his commitment to equitable and inclusive skin care for patients of all backgrounds

Dr. McKenzie is known for combining scientific rigor with a highly personalized approach, ensuring each patient feels heard, supported, and confident in their treatment plan.

 

Research, Publications & Academic Leadership

Dr. McKenzie is a well-published author with research featured in respected dermatology journals. He has presented his work at national and international meetings, contributing to advancements in the understanding and treatment of eczema, acne, hair loss, and dermatologic health disparities

He remains actively involved in medical education and is committed to mentoring and training future dermatologists.

• Active Member, American Academy of Dermatology
• Contributor to peer-reviewed dermatology literature
• National and international presenter

 

Patient Experience & Satisfaction

Patients consistently describe Dr. McKenzie as personable, knowledgeable, and exceptionally attentive. Many highlight his outstanding bedside manner, noting that they never feel rushed and always feel fully heard. He is frequently praised for clearly explaining diagnoses and treatment options, providing structured care plans, and ensuring patients leave feeling confident and informed.

Patients also commend the professionalism and friendliness of the SINY team, efficient scheduling, and welcoming office environment

Patient Experience & Satisfaction

Patients consistently describe Dr. McKenzie as personable, knowledgeable, and exceptionally attentive. Many highlight his outstanding bedside manner, noting that they never feel rushed and always feel fully heard. He is frequently praised for clearly explaining diagnoses and treatment options, providing structured care plans, and ensuring patients leave feeling confident and informed.

Patients also commend the professionalism and friendliness of the SINY team, efficient scheduling, and welcoming office environment.

Convenient Locations in New York

Dr. McKenzie sees patients at two SINY Dermatology locations in Manhattan, offering convenient access to expert dermatologic care.

 

Upper East Side

69 E 76th St, New York, NY 10021

Phone: 800-778-3090

Hours:

• Mon: 9:00 AM – 5:00 PM
• Tue-Thu: 9:00 AM – 8:00 PM
• ri: 8:00 AM – 4:00 PM
• Sat-Sun: Closed

Serving patients from: Upper East Side, Lenox Hill, Carnegie Hill, Yorkville, Midtown East, Roosevelt Island, Upper West Side, East Harlem, and surrounding Manhattan communities.

Schedule an Appointment at Upper East Side

 

Park Avenue

1000 Park Ave, New York, NY 10028

Phone:800-778-3090

Hours:

• on-Tue: 9:00 AM – 5:00 PM
• Wed: 12:00 PM – 8:00 PM
• Thu: 9:00 AM – 5:00 PM
• Fri: Closed
• Sat: 10:00 AM – 3:00 PM
• Sun: Closed

Serving patients from: Upper East Side, Carnegie Hill, Lenox Hill, Yorkville, Midtown East, Central Park East, and surrounding Manhattan neighborhoods.

Schedule an Appointment at Park Avenue

 

Accepted Insurance Plans

Dr. McKenzie accepts a wide range of major insurance plans, including:

• Aetna
• Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
• Blue Cross Blue Shield (including Federal Employee Program)
• Cigna & Cigna-HealthSpring
• UnitedHealthcare & Oxford
• EmblemHealth (GHI)
• Healthfirst (NY)
• Medicare
• Fidelis Care (NY)
• Humana
• Oscar Health
• MetroPlus Health Plan
• MagnaCare
• 1199SEIU

Additional plans accepted. Patients are encouraged to contact SINY Dermatology to confirm coverage prior to their visit.

 

About SINY Dermatology (Skin Institute of New York)

The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.