We look forward to assisting you!

Landon Costella

Office Manager

Landon Costella is the office manager for Dr. Margoles’ practice. He received his Bachelor’s Degree in Communications from SUNY at Geneseo. Landon’s interest in sports and nutrition led him to pursue his Associate’s Degree in Science at Westchester Community College where he graduated with high honors. Prior to working for Dr. Margoles, he was a product developer at the Seagram’s Beverage Company in White Plains, NY.

Landon is committed to ensuring that every patient feel safe, cared for, and ultimately has a great experience. His attention to detail, deep knowledge, ethical business practice and warm personality provides all of our patients with total trust and confidence. No question is too small, and he is always available to make sure that all of your questions are answered.

Fikry B. Salib

MD, FACA

Dr. Salib is a board-certified anesthesiologist who has been practicing in Fairfield County since 1975. He received his training at the State University Hospital, Downstate Medical Center, in Brooklyn New York, and was on the anesthesia staff at the Stamford Hospital in Stamford, CT where he was chairman and President of the Stamford Anesthesiology Services for almost 20 years. He has been in ambulatory anesthesia since 2003 and licensed in both New York and Connecticut. He is Board Certified by the American Board of Anesthesiology and is ACLS certified. He resides in Stamford with his wife Barbara, and his hobbies are tennis, boating, and medical volunteering in the third world.

STEPHANIE PREZIOSO

PA-C

Stephanie is a certified Physician Assistant, having pursued her education at Wagner College through an accelerated dual Bachelor and Master of Science program, with a primary focus on Physician Assistant studies. Since 2011, she has been actively practicing as a PA.

Over the course of her extensive career, Stephanie has gained diverse experience across various clinical fields of medicine. Her predominant focus was in oncology, particularly specializing in the treatment of pediatric and young adults with leukemia and lymphoma. Throughout her career, she dedicated herself to ensuring the comfort of children and their families, delivering exceptional care during challenging times. After becoming a parent herself, she sought a change and shifted her focus to plastic surgery and medical aesthetics, dedicating the last two years to this passion.

Lidia Kowalski

RN

Lidia has worked with Dr. Margoles for more than 10 years. Originally from Poland, she was trained in the United States for medical assistance receiving her degree from Norwalk Community College. Since that time, she has worked as a dental assistant, a care giver and as a technician in the operating room. Her time as a caregiver and love of helping people has inspired her to go to nursing school which will help her to grow in the health care field.

Lidia enjoys time with her family and playing volleyball and tennis with her husband and three kids. She loves to cook and bake and has a certificate in culinary arts

Heather Brownstein

RN

Bio coming soon

Tammy Amundson

RN

Tammy our operating and recovery room nurse has over 40 years’ experience as a Registered Nurse in Women’s and Children’s Healthcare. She is a graduate of SUNY and holds nursing licenses in both New York and Connecticut. She currently works in both our office in the Greenwich Hospital Maternity wing providing care in the operating room and post-operative care in the recovery rom. She is passionate about her work and is committed to providing the highest level of care.

Judy Polemus

Insurance Specialist

Image and bio coming soon

Kállos Medical Aesthetics

SANDRA MARGOLES, MD, FACS

Medical Director

Dr. Margoles, a board-certified plastic surgeon, is celebrated for her natural-looking transformations and meticulous attention to detail. Trained at Ivy League institutions and possessing a wealth of experience from around the globe, she stands out for her commitment to excellence and continuous learning in the field of aesthetic medicine. Her practice is built on a foundation of integrity, a patient-centered approach, and delivering outstanding results.

At Kállos Medical Aesthetics, the focus is on non-surgical treatments designed to rejuvenate and refresh without the need for extensive downtime. Patients can explore a range of advanced cosmetic procedures including Botox, dermal fillers, laser procedures, and other innovative treatments that embody the latest in aesthetic technology. These non-invasive options are perfect for those looking to enhance their appearance with minimal interruption to their daily lives.

For those seeking plastic surgery services of the breasts, body, or face, Dr. Margoles offers her expertise at her Greenwich, CT, office, where she performs a wide array of surgical procedures aimed at enhancing beauty and confidence. Her surgical offerings include breast augmentation, breast lift, liposuction, abdominoplasty, and more, all carried out in state-licensed and AAAASF-certified facilities to ensure the highest standards of safety and care.

STEPHANIE PREZIOSO

PA-C

Stephanie’s broad and adaptable background equips her with a wealth of knowledge, enabling her to comprehensively assess patients. Beyond effectively communicating and addressing their clinical needs, she creates an environment where patients can feel secure and at ease under her trusted care. Known for her attention to detail, Stephanie provides each patient with a personalized and thorough assessment tailored to their unique requirements.

Her current passion lies in enhancing natural beauty through medical aesthetics, offering clients the tools they need to feel their best.

Stephanie has undergone various training and certifications, accumulating substantial clinical experience in neuromodulators, dermal fillers, PRP, micro-needling and more. She takes pleasure in sharing her skincare expertise to enrich her patients’ experiences and achieve optimal outcomes.