AdventHealth Lake Mary Health Park

Viviana Casas-Puig, MD, FACOG is a board-certified OB/GYN who specializes in Urogynecology. After graduating from the University of Puerto Rico, Dr. Casas-Puig received her medical degree from the Ponce Health Sciences University. She went on to complete an Obstetrics and Gynecology residency at the University of Puerto Rico School of Medicine, where she served as Chief Resident. She then completed a Research Fellowship at the Obstetrics, Gynecology, and Women's Health Institute at the Cleveland Clinic, followed by a 3-year Fellowship in Female Pelvic Medicine and Reconstructive Surgery at the Cleveland Clinic in Cleveland, Ohio. She received extensive training in minimally invasive surgery and performs vaginal, laparoscopic, and robotic-assisted procedures. She is a Fellow of the American College of Obstetricians and Gynecologists and a member of the American Urogynecologic Society. Dr. Casas-Puig is passionate about improving the quality of life of her patients, as well as providing compassionate and individualized high-quality evidence-based medical and surgical care.

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Stephen Dobkin, MD, FACS, is a board-certified urologist who has been providing comprehensive urologic care to men and women for over 20 years. He received his medical degree from Temple University in Philadelphia and completed his residency in surgery at Brown University in Rhode Island. His areas of special expertise include urinary tract cancers (prostate, bladder, kidney, testes, adrenal glands), voiding dysfunction (incontinence, benign prostate problems), kidney stones, male infertility, erectile dysfunction and vasectomy and vasectomy reversal. As part of the uniquely qualified urology team at AdventHealth Medical Group, Dr. Dobkin provides compassionate and convenient urologic health care options both in the office and via AdventHealth’s state-of-the-art hospital facilities.

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Jawad Francis, MD, is a board-certified hematologist oncologist. After earning his medical degree from the University of Balamand in Lebanon, Dr. Francis completed a residency in internal medicine at University at Buffalo where he served as Chief Resident. He completed medical oncology fellowship at Roswell Park Cancer Institute in Buffalo, NY. Dr. Francis was Medical Director of the Medical Oncology program and Chair of Clinical research at Mercy Health Youngstown, Ohio. A highly experienced clinician, Dr. Francis holds certifications in internal medicine and medical oncology. He specializes in the treatment of a wide array of cancer conditions including prostate, liver, ovaries, skin, bladder, kidney, breast, esophageal, gastric, lungs, head and neck, and hepatobiliary cancers. He is fluent in English, French and Arabic. Dr. Francis believes cancer care is a mission and has to be delivered with knowledge and compassion.

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Dr. Nadia Froehling is a board certified general surgeon with Mid-Florida Surgical Associates, offering comprehensive surgical care to patients across Central Florida. She completed her general surgery residency and surgical critical care fellowship at the University of Tennessee in Chattanooga, following her medical degree from the University of Illinois at Chicago. With a strong background in trauma and critical care—as both a surgeon and former critical care nurse—Dr. Froehling brings a calm, collaborative, and patient-centered approach to the operating room and postoperative care. She provides a broad scope of services, including minimally invasive laparoscopic and robotic procedures, hernia and gallbladder surgery, colorectal procedures, skin and soft tissue surgery, and emergency general surgery. Dr. Froehling has presented nationally at the Western Trauma Association, Society of Critical Care Medicine, and the American College of Surgeons, and her research includes work on hypertonic saline use in traumatic brain injury and strategies to reduce postoperative opioid requirements. Outside of medicine, she enjoys flying as an instrument-rated private pilot, scuba diving, traveling, and playing the cello. She looks forward to partnering with patients and referring providers to deliver accessible, compassionate, and evidence-based care.

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Walter C. Hayne, MD, is a board-certified general surgeon, who is part of the AdventHealth Medical Group’s breast surgery specialty practice.

A former hospital Chief of Surgery, he brings a wealth of experience, including expert surgical care for breast cancer patients and advanced skills in procedures like skin-sparing mastectomies.

Dr. Hayne began his medical studies at Temple University in Philadelphia. And after graduating summa cum laude, enrolled in the university’s medical program, where he stood out as an award-winning medical student. He then pursued a general surgery residency in New York City.

For more than 20 years, Dr. Hayne has demonstrated award-winning bedside manner and clinical excellence.

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Justin Kelly, MD, FRCS, FEBS is a fellowship-trained colon and rectal surgeon with AdventHealth Medical Group's elite colorectal surgery team in Central Florida. His areas of expertise include the use of minimally invasive technologies in colon and rectal cancer treatment, including TAMIS and laparoscopic surgery. He specializes in the surgical treatment of both Crohn's disease and ulcerative colitis, and is proficient in treating all common anorectal diseases including hemorrhoids, fistulas and rectal bleeding. After completing his medical degree with honors and receiving university national medals in surgery from the College of Surgeons in Dublin, Ireland, he became the first International Fellow in colon and rectal surgery at AdventHealth Medical Group, allowing him to be comprehensively trained on the groundbreaking surgical techniques pioneered by our esteemed specialists.

Awards & Recognition

Dr. Kelly has a long history of outstanding achievement. He earned a full academic scholarship to the Royal College of Surgeons in Ireland, graduating with honors, and received the Sir William Osler Medal for Clinical Excellence from the RCSI James Connolly Memorial Hospital in 2004. Whilst a surgical Fellow in Ireland in 2013, his project was awarded a National Medal for Best Clinical Doctor by the Irish Times.

Differentiators

If you want Rolls Royce treatment for your colorectal issue, come see Dr Kelly.

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Abrianna Lusito, PA-C, is a board-certified physician assistant who graduated from Nova Southeastern University in Orlando, FL, with a Master of Science in Physician Assistant Studies. She also holds a Bachelor of Science in Biology from the University of Florida in Gainesville, FL. She was a physician assistant at Women’s Care Florida in Winter Park, FL, where she served women of all ages and cared for patients from pre-conception through menopause. Abrianna wants her patients to know that she is committed to them. She will always listen to their concerns and take into account their desires before coming up with a plan of care to help her patients achieve the best possible outcome.

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Devina McCray, MD, is a breast surgical oncologist who is board certified in general surgery. She specializes in the evaluation and treatment of benign and malignant breast disease. Her areas of surgical expertise include excisional biopsy, breast conservation, sentinel lymph node biopsy, axillary node dissection, mastectomy (simple, skin sparing, and nipple sparing), oncoplasty, and intraoperative radiation therapy. Dr. McCray received her medical degree from the University of Colorado Health Sciences Center, School of Medicine and carried out her general surgery residency at Florida Hospital (now AdventHealth) in Orlando. In 2016, she completed a breast surgical oncology fellowship at the Cleveland Clinic in Ohio. Dr. McCray also participated in a training program at City of Hope National Medical Center to study the principals of designing clinical trials. She is a member of the American Society of Clinical Oncology, the American Society of Breast Surgeons, and the Society of Surgical Oncology.

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Dr. Vivek Nagar is an interventional pain management physician. After graduating from the University of Miami, Dr. Nagar received his medical degree from the University of Miami Miller School of Medicine. He went on to complete his residency in Physical Medicine & Rehabilitation and fellowship in Pain Medicine at Albert Einstein College of Medicine, Montefiore Medical Center in New York. While in training, he was selected by his peers and faculty for the prestigious position of Chief Resident. He then went on to serve as Chief Fellow during his time in fellowship. He has authored textbook chapters in the field of pain medicine and physiatry, and has published peer-reviewed research on interventional pain management

Dr. Nagar’s goal is to create personalized treatment plans for his patients, with an emphasis on improving functional outcomes and quality of life.

Dr. Nagar provides comprehensive care for a wide variety of painful conditions of the spine, nerves, joints and muscles by integrating non-surgical and non-opioid pain-relieving treatments. Dr. Nagar uses precise image guidance to perform various minimally invasive treatments including spine injections and procedures, peripheral nerve blocks, and joint injections. He specializes in neuromodulation, including spinal cord stimulation and dorsal root ganglion stimulation.

Dr. Nagar is fluent in English and Spanish. In his free time, he enjoys volunteering, biking, and playing basketball.

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Lars S. Nelson, MD, is a general surgeon with more than 10 years of experience. He graduated Cum Laude from the University of Florida with a Bachelor’s of Science in Chemical Engineering in 2004. Following, he proceeded to St. George’s University School of Medicine graduating with honors. He completed his general surgery residency at Orlando Health and went on to further specialize in a Bariatric, Metabolic, and Minimally Invasive Surgery fellowship at Orlando Health. Dr. Nelson specializes in both bariatric and general surgery using a minimally invasive approach. In addition to bariatric surgery, he performs diagnostic and therapeutic endoscopic procedures as well as a broad range of general surgical procedures of the abdomen, breast, colon, thyroid, and trauma surgery.

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2025 Premier Doctors - Spine Surgery

Chetan Patel, MD, is a board-certified orthopedic surgeon and spine specialist who is the Medical Director of AdventHealth Medical Group’s spine health practice in Altamonte Springs. A former Chief of Staff for AdventHealth Altamonte Springs, Dr. Patel is a nationally recognized authority on minimally invasive surgical techniques for stabilizing the spine and resolving neck and back pain. He directs a multidisciplinary team that includes specialists in pain management, physical therapy and nutrition, with an emphasis on the most conservative treatment options that can bring lasting relief to his patients. Dr. Patel’s surgical specialties include minimally invasive fusion; microdiscectomy; laminectomy; spinal stabilization; kyphoplasty; minimally invasive TLIF, XLIF and DLIF surgeries; vertebroplasty; scoliosis correction; corpectomy fusion and more. Dr. Patel earned his medical degree and completed his residency training at the University of Michigan in Ann Arbor and undertook his advanced fellowship training at William Beaumont Hospital in Royal Oak, MI.

*Premier Doctors award – compiled by DataJoe Research

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Jonathan Ragheb, MD, is a board-certified gastroenterologist. Dr. Ragheb earned his medical degree at the Lewis Katz School of Medicine at Temple University before completing an internal medicine residency at Cleveland Clinic, where he achieved the rank of Chief Resident. Dr. Ragheb completed fellowship training in gastroenterology at Cleveland Clinic Florida. The author of numerous professional presentations and publications, Dr. Ragheb has also presented at professional symposia throughout the United States. He believes strongly in treating each patient as a whole person, considering the health of the body, mind and spirit to work towards overall well-being.

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Christy Walls, APRN, is an advanced practice registered nurse. After graduating from Southwestern Illinois College, Christy received her Bachelor of Science in Nursing from St. Louis University. She went on to complete a Master of Science in Nursing at Chamberlain College of Nursing. Christy is a highly experienced clinician committed to whole-person care of the body, mind, and spirit of every patient.

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Steven Williams, MD, is a board-certified urologist with fellowship training in minimally invasive robotic urologic procedures and endourology. He specializes in diagnosing and treating patients with kidney stones, urologic cancers, bladder disorders, benign prostatic hyperplasia and prostate cancer. His clinical excellence and research acumen, particularly in the field of urologic oncology, establishes him as a leading provider of urologic care in Central Florida. As part of the highly credentialed urology team at AdventHealth Medical Group, he sees patients in his offices in Altamonte Springs, Apopka and Lake Mary. Dr. William's medical credentials include back-to-back fellowships in urologic oncology and robotics and endourology at the University of Miami and Jackson Memorial Hospital, as well as his dual residencies in general surgery and urology at the Albert Einstein College of Medicine. He earlier completed a urology residency in England and received his medical degree at the University of the West Indies.

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Make an appointment with Lucille Woodley, MD at AdventHealth now, find contact information and more. Your AdventHealth team is dedicated to providing whole-person care that heals your body, strengthens your mind and lifts your spirit. You deserve to feel whole. Collapse Profile for Lucille Woodley, MD

Dr. Yurcisin received his medical school training at Florida International University in Miami, Florida. He subsequently completed his residency at Greenville Hospital System in beautiful Greenville, South Carolina. Since that time, he has worked at small community hospitals before coming back home to Central Florida. A Winter Park native, he is glad to be back home after a long training journey. He is board certified by the American Board of Surgery and a Fellow of the American College of Surgeons. His interests include broad-based general surgery, horology, and tabletop wargaming.

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