Our Providers

 Dwight Ligham, MD

Dwight Ligham, M.D.

Dr. Ligham has a master's degree in counseling and has ten years of experience working with the disabled in the capacity of vocational and functional rehabilitation prior to his attending medical school. He graduated from medical school cum laude in 1992 and completed his anesthesiology and pain medicine subspecialty training at Yale University. He is board certified in both anesthesiology and in Pain Management.

Dr. Ligham has earned numerous awards including the prestigious Merck Award for academic excellence. He was inducted into the medical honor society, AOA while a medical student. Dr. Ligham has been published in various subjects in pain medicine and has a special interest in spine related pain and the various forms of neuropathic pain.

He is interested in the relationship between pain, disability and vocational rehabilitation potential. Dr. Ligham blends these interests clinically through physician performed functional capacity evaluations which synthesize physical data with the medical history to develop realistic vocational goals in sustainable vocational settings.

Dr. Ligham is on staff at both Yale Hew Haven Hospital and at Middlesex Hospital. He has held leadership positions as a member of the Medical Board at the Hamden Surgery Center and as the Pain Management Section Chief at the Hospital of St. Raphael in New Haven, CT.

Dr. Ligham is an assistant Clinical Professor at Quinnipiac University Frank H. Netter School of Medicine. 

 Lloyd R. Saberski, M.D.

Lloyd R. Saberski, M.D.

Dr. Saberski completed his medical training at New York Medical College 5PW in 1982. Internal Medicine and Anesthesiology Residencies followed this at the Albany Medical College, Albany, NY. Board Certification was granted in both specialties in 1985 and 1988 respectively. Subsequent completion of a Pain Management Fellowship at Albany Medical College in 1988 was followed by a one-year appointment to the Anesthesiology faculty with primary commitment to the Albany Center for Pain Management.

In 1989, Dr. Saberski joined the Yale faculty and the Yale Center for Pain Management. He founded the Yale University Fellowship in Pain Management served as its director from inception until 1998. In 1991 he was appointed Clinical Director and in 1997 Medical Director of the Center. In 1998, he was promoted to Associate Professor of Anesthesiology and became the first Yale faculty ever promoted to the rank of Associate Professor from achievements in the fields of Chronic Pain Management.

In 1999 Dr Saberski opened a private practice privileged at Yale New Haven Hospital and Hospital of St. Raphael dedicated to the diagnosis and management of chronic painful disorders. Dr. Saberski is devoted full-time to clinical care, research and teaching of pain management. He has published extensively and is author of over 200 manuscripts, textbook chapters, papers and lectures. He serves as consultant to numerous agencies, panels, organizations and lectures frequently on topics in pain management, especially "new technologies". Dr. Saberski is past editor the Editor-in-chief of The Pain Clinic.

Dr. Saberski can be reached at lloydsaberskimd.com.

 Michael Robbins, D.O.

Michael Robbins, D.O.

Dr. Robbins has board certification in both anesthesiology and pain management from the American Board of Anesthesiology. He graduated Wilkes University in 1988 with a dual degree in Biology and Chemistry. He received his medical degree from the Philadelphia College of Osteopathic Medicine in 1992. He then completed his residency in anesthesiology at Albert Einstein Hospital in Philadelphia where he also had fulfilled a 6-month fellowship in pediatric anesthesia at St. Christopher's Hospital for Children in Philadelphia, PA. Dr. Robbins then completed his pain fellowship at the University of Pittsburgh Pain Evaluation and Treatment Institute, a premier multidisciplinary pain program. He was then recruited to the Yale University School of Medicine and the Yale Pain Center in 1997. From 2000-2004 he assumed directorship of the Yale Pain Management fellowship program and Directorship of Pain Management for the Veterans Administration Healthcare System.

Dr. Robbins remains committed on multiple levels to delivering quality pain medicine and education in Connecticut and has served as the Vice President of the Connecticut Pain Society.   

Dr. Robbins has a unique breadth of knowledge on spinal mechanics and has given numerous lectures on spinal related pain both locally and nationally. He also possesses exceptional talent for creating 3D medical animations that have been used for patient education, lectures, and physician training on medical procedures and anatomy. Dr. Robbins joined Advanced Diagnostic Pain Treatment Centers in August of 2004 further complimenting the diverse clinician group.

 Andrew McDowell, PA-C

Andrew McDowell, PA-C

Andrew McDowell completed his Bachelor of Science degree in Allied Health Sciences at the University of Connecticut, Storrs. He has worked as a licensed Emergency Medical Technician for the Ambulance Service of Manchester, transporting and caring for critically ill patients. He went on to complete his Master’s degree in Physician Assistant Studies with High Honors at SUNY Upstate Medical University, Syracuse. He completed his clinical internship through Columbia Memorial Hospital, learning and training with numerous physicians in multiple disciplines. He is strongly dedicated to patient care and the health and wellness of others. 


 Jon Lum, PA-C

Jon Lum, PA-C

Jon Lum is a graduate of the Trevecca Nazarene University Physician Assistant Program in Nashville, Tennessee.  He  is certified by the National Commission on Certification of Physician Assistants.  He is a member of the American Academy of Physician Assistants and The Connecticut Association of Physician Assistants. He has experience in many different aspects of medicine, from Newborn Intensive Care, Pediatrics, Internal medicine, Emergency Medicine and Rheumatology. He is a member of the Wyeth/Amgen Visiting Speakers' Bureau.

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  The AAAASF Symbol of Accreditation designates facilities which are accredited by the American Association for Accreditation of Ambulatory Surgery Facilities. Facilities which display this Symbol are dedicated to the highest standards of patient care.

The AAAASF Symbol of Accreditation designates facilities which are accredited by the American Association for Accreditation of Ambulatory Surgery Facilities. Facilities which display this Symbol are dedicated to the highest standards of patient care.

 Sherrie Robtoy, PA-C

Sherrie Robtoy, PA-C

Ms. Robtoy is a 2006 graduate from Cornell Medical Colleges Physician Assistant Surgical Program. Much of her PA training was based out of New York Presbyterian Hospitals, both Cornell and Columbia Campuses, along with NYU Downtown Hospital and Lincoln Trauma Center in the South Bronx. She has practiced in the Neurosurgery, Spine and Pain Management specialties over the past 11 years. This experience includes assisting surgeons in the operating room setting. At Advanced Diagnostic Pain Treatment Centers, PC., she performs both evaluation and management and procedural patient care services. 

Sherri Robtoy is a member of The Connecticut Academy of Physician Assistants, The American Academy of Physician Assistants and The Academy of Integrative Pain Management. She holds a BA in Psychology from Eastern Connecticut State University and was in the University of Connecticut's Post Bachelorette Pre Med Program prior to acceptance into Cornell's Physician's Assistant Program. Along with her husband she resides in Branford with their two English Bulldogs and two cats. Outside of work she enjoys spending time with family and friends, taking advantage of her neighborhood beach, on Long Island Sound and traveling.

Cynthia Hamlin.jpg

Cynthia Hamlin MSN, APRN-BC

Cynthia completed her Bachelor of Science Degree in Nursing at the University of Hartford in West Hartford, Connecticut. She attended the University of Saint Joseph in West Hartford, graduating from the Family Nurse Practitioner program with a Master's degree in Science. She has been certified by the American Nurses Credentialing Center as a Family Nurse Practitioner since 2017 and is a member of the American Association of Nurse Practitioners.

Prior to becoming a nurse practitioner, she worked as a registered nurse at Middlesex Hospital for 27 years. Cindy has extensive experience in obstetrics, labor and delivery, post-surgical care, and medical surgical nursing.