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About The Collagen Bar

Med Spa in Gramercy, Midtown, Upper East Side, and Harrison, NY


Our skin program at The Collagen Bar is designed to personally give your skin a tighter, smoother and longer lasting youthful appearance.
Our technologies and services include:
• D More™M Collagen Infusion Therapy
• Forma™M Radiofrequency +
• Morpheus 8™ Microneedling Therapy
• Lumecca IPL
• Evolve Trim Tite Tone
• Body FX
• Zero Body Dry Float
• IV Vitamin Drip Therapy
• NAD+ Vitamin Therapy
• IV Exosomes
• PRP - PRF Therapy
• Lutronic ULTRA™

• Botox - Injectables
• Hormone Optimization
• Hair Restoration
• Shock Wave Therapy
• Threading
• PRF Breast Lift
• Nutrition Consultation
• Acupuncture - Cupping
• Reiki Lymphatic Massage
• Transformative Wellness
• Microblading

The Collagen Bar is a luxury medical spa with three convenient locations in Gramercy Park, Upper East Side, and Midtown Manhattan areas of New York City, New York. Diana Seo, MA, and her highly skilled team proudly offer the latest anti-aging treatments, such as the microcurrent facial, Morpheus8® RF microneedling, and intense pulsed light (IPL) / LaseMD Thulium therapy.  

At The Collagen Bar, people of all ages can enjoy tighter, smoother, and youthful-looking skin. A team of industry experts with decades of hands-on experience delivers long-lasting results with advanced techniques.

The skin care team customizes skin rejuvenation treatments to meet your specific needs. Patients can benefit from Botox®, the VI Peel®, and Forma RF®, as well as collagen products from Isagenix™, Revision Skincare, and Hyluniato enhance their results.

The Collagen Bar team values sincerity, innovation, and quality over quick fixes. They always deliver vital patient education and make sure that you’ll love your skin through all ages by setting the foundation for healthy skin. To schedule an appointment with a skin care expert, call The Collagen Bar or use the online booking feature today.

The Collagen Bar Leadership

The Collagen Bar is led by industry experts with decades of hands-on experience. Learn more about us below.
Diana Seo
Diana Seo
Diana Seo is the founder and president of The Collagen Bar, a medical aesthetic and skincare clinic, with locations in Greenwich, CT and NYC.

Diana has over fifteen years of combined experience in the health, medical and beauty fields. She started her career as a researcher/technologist in the Cytogenetics Department at Mount Sinai Hospital in NYC. She then enhanced her understanding of skin aesthetics working for one of the most notable plastic surgeons in the world, Dr. Charles Thorne, the editor-in-chief of the “Grabb and Smith’s Plastic Surgery” textbook.

Diana received her aesthetician license and ITEC (International Therapy Examination Council) certification from the Atelier Esthétique Institute of Esthetics. Her Skin Specialist and Facial Electrical diplomas are recognized in over thirty-nine countries. She graduated from the University of Connecticut with a B.S. in Biophysics and minor in Chemistry and Mathematics.
Dr. Nemeth
Dr. Nicole Nemeth
Dr. Nemeth is a graduate of the University of Chicago with a bachelor’s degree in Biology / Neuroscience. She then received her doctor of medicine degree from the University of South Florida where she was awarded the Joseph Collin’s Foundation scholarship for academic excellence. Dr. Nemeth trained at the University of Texas Medical Branch in Galveston during which time she studied facial aesthetic surgery with Dr. James Stuzin in Miami. Dr. Nemeth has also completed the prestigious Reconstructive Microsurgery Fellowship at the number one-ranked M.D. Anderson Cancer Center in Houston, Texas. Since moving to New York City in 2008, she has held a clinical faculty position at Jacobi Medical Center and teaches plastic surgery residents in the Albert Einstein / Montefiore Medical Center program.
Dr. Alcarez

Dr. Alcarez

is a Manhattan-based, Internal Medicine Physician and has a combined 14 years of experience and specialized training in Aesthetic Medicine, Obesity Medicine, and Preventative Medicine. She is the founder and Medical Director of Aesthete Medical Wellness and Medspa.

Dr. Alcarez offers comprehensive aesthetic consultations that include botox for medical purposes like migraines and hyperhidrosis, botox and fillers for anti-aging, radiofrequency skin tightening (Inmode Optimas) and radiofrequency body contouring (Inmode Contoura and Cutera’s Trusculpt ID offered at the downtown location).
Dr. Sherwyn

Dr. Sherwyn

Jonathan Hilton Sherwyn, M.D., F.A.C.S. is certified by the American Board of Plastic Surgery - the only board recognized by the American Board of Medical Specialties to certify plastic surgeons.

Initial consultations are conducted with Dr. Sherwyn himself, not delegated to an assistant, for approximately one and one half hours in order to ensure a thorough discussion of each individual's desires, needs and goals.
Ready to book with us?
The Collagen Bar specializes in custom-designed programs. Book your free consultation today. Or see what we're up to on our Instagram below!
Collagen Bar Instagram
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