Peter Koretsky, MD, PA
Gastroenterology
2955 Pineda Plaza Way Ste: 115
Melbourne, FL 32940

321-254-7375 Tel
321-254-7145 Fax

Meet the Staff

Peter Koretsky, MD, MBA is Board Certified in Internal Medicine and Gastroenterology and Board Eligible in Geriatric Medicine and Bariatric Medicine. He is a member of the American College of Gastroenterology and the Florida Gastroenterology Association, is on staff at Homes Regional Medical Center and Wuesthoff Hospital/Melbourne, and does GI procedures at the Surgery Center of Melbourne and the Melbourne GI Center. Dr. Koretsky is an award-winning chess player and enjoys running and gardening in his spare time.  He lives in Melbourne Beach with his wife, has two children, two step-children and a Maltese named Mr. Smith.

Dr. Koretsky was born in Brookline, Massachusetts to a family of physicians. He attended the Brookline Public Schools and went on to Harvard College, where he concentrated in history, government, economics and psychology, graduating with honors in 1976. After a brief stint as an intern-reporter for the Anniston Star in Alabama, he moved to Chicago where he worked at the Chicago Board of Trade, eventually becoming a Member of the Mid-America Commodities Exchange in 1978. In Chicago he also taught part-time at Malcom X College.

Dr. Koretsky entered Boston University School of Medicine in 1979, graduating in 1983. He then trained as an Intern and Resident in Internal Medicine at Emory University Affiliated Hospitals, where he also completed a Fellowship in Digestive Diseases in 1988 and became Board Certified in Gastroenterology.

Moving to Melbourne, Dr. Koretsky began in a group practice, Osler Medical, where he worked for the next 17 years. During that time he served on the Osler Board, as Board Chairman, and also served as  Chairman of the Department of Medicine at Holmes Regional for four years. Also during that time, he earned an MBA at Florida Tech and was awarded a Certificate in Geriatric Medicine.

In 2005, Dr. Koretsky left the group practice and started a solo private GI practice with his Nurse Practitioner, Jill Polet, ARNP. In 2009, he passed the American Board of Bariatric Medicine Certification exam and is looking forward to formal Board Certification and practice in that discipline (the medical approach to weight loss).


Terri is the Office Manager for the practice and is in charge of patient financial services and administrative functions. Terri is also a registered Pharmacy Technician and has been in the heathcare field for 20 years. Any comments/concerns or questions regarding our office can be addressed with Terri and she can be reached at 321-254-7375, option 9. For billing questions only,

Terri can be reached at 321-242-5794.


Laura is the center hub of the office and her duties include checking in patients, coordinating hospital consults for Dr. Koretsky, and reminding patients of their upcoming appointments. Laura assists both providers on a daily basis, and fielding myriad patient and provider issues to provide the highest level of patient care. Laura has a long health care background of 25 plus years and is a retired Pharmacist, EMT and Case Worker for the Department Social Services in New York State.

To reach Laura you may dial 321-254-7375, option 9.


Yvonne is a Registered Medical Assistant and is in charge of patient care, obtaining patient health histories, medication refills and working with insurance companies for drug coverage. Yvonne helps keep our providers on time and moving. Yvonne has been in the healthcare field for 14 years. During her career she has worked in an oncology office, wound care clinic, and a family care setting before joining our team.

Yvonne was born and raised in Long Island, New York and she moved to Melbourne in 1988. She and her husband enjoy growing and caring for orchids and taking are of their long-haired Chihuahua Maine Coon cat and three birds.

Yvonne can be reached at 254-7375, option 5.


Tanya is a Pennsylvania native and is in charge of scheduling procedures (endoscopies and colonoscopies). Her role is invaluable as she schedules and explains ordered procedures to the patients. Tanya has 17 years in the healthcare field and has worked in various positions including management, health care insurance reimbursement, and patient scheduling, She is a Certified Medical Assistant.

Tanya can be reached at 321-254-7375, option 3.


Lori is responsible for scheduling diagnostic procedures ordered by the providers, including CT scans, MRIs, ultrasounds, x-rays, and other tests. Lori also is in charge of our medical records and keeps our office running smoothly and efficiently. Lori has 10 years in the medical field and has worked in various positions within the health care field.

Lori can be reached at 321-254-7375, option 7


Lynn is a native of Massachusetts and now resides in Rockledge, FL. Lynn has extensive management experience in the retail and restaurant industries. Lynn also has traveled to a number of countries overseas, including Turkey and the Netherlands. Lynn is responsible for new patient processing and referrals from primary care doctors. Lynn prepares new patient records and schedules new patient appointments.  

To reach Lynn you may dial 321-254-7375, option 9.


Jill Polet, ARNP, is Board Certified by the American Nursing Credentialing Center, and obtained her Master of Science in Nursing degree from the University of Florida in Gainesville in 1997. Her undergraduate degrees include a Bachelor of Science in Communications, Public Relations, from the University of Florida, and a Bachelor of Science in Nursing from the University of Central Florida in Orlando. Her professional memberships include the American College of Gastroenterology, American Academy of Nurse Practitioners, Sigma Theta Tau Nursing Honor Society, and Phi Kappa Phi Graduate Honor Society. 

Prior to her career as a Nurse Practitioner, Jill was a critical care nurse and maintained professional certifications as a Critical Care Registered Nurse and in Emergency Nursing . In addition, she was an Advanced Cardiac Life Support and Basic Cardiac Life Support Instructor. Her career also includes experience as a Flight Nurse at the Kennedy Space Center.

Jill was born in 1960 in Titusville, Florida. Because of her love of the beaches, rivers, and Florida waterways, she returned home to Brevard County to continue her career. Her interests include boating, jet skiing, camping, tennis, and various outdoor sports. Her personal goal is to become fluent in various languages.