MEET THE TEAM
Nicolas Chronos, MD, FACC, FESC
Dr. Nicolas Chronos is managing partner of Lake Country Medical Group. He is an interventional cardiologist and internist who is internationally recognized for his pioneering heart disease research. Dr. Chronos has over 30 years of medical experience. In addition to his internal medicine expertise, Dr. Chronos specializes in general cardiology, coronary artery disease management and heart failure management. He treasures his patients and dedicates himself to their complete wellness.
Peter Chapman, MD, FACC
Dr. Peter Chapman is a cardiology and electrophysiology specialist with over 40 years of medical experience. An expert in detecting and treating abnormal heart rhythms, Dr. Chapman assesses patients’ need for curative ablation, defibrillators and pacemakers. He also helps patients manage and maintain their existing cardiac devices. Dr. Chapman is devoted to facilitating a healthy heart rhythm for all his patients.
Yolin A. Bueno, MD
Dr. Bueno brings a wealth of knowledge about memory and geriatric care to the Lake Country community. As a geriatrician he specializes in the needs of the elderly. This includes chronic disease, nutritional issues, skin ailments, cognitive loss, memory impairment, adverse effects of medications, as well as immobility and balance issues. Dr. Bueno has over 15 years of geriatric care experience. He is also the Medical Director at Presbyterian Homes of Georgia, Athens, a Geriatric Hospitalist at Piedmont Athens Regional Hospital, as well as a Clinical Assistant Professor at AU/UGA Medical Partnership.
Kenneth Sternberg, DO, FACC
Dr. Sternberg is a board-certified internist, cardiologist, and interventional cardiologist who has an extensive interest, education and clinical expertise in all aspects of venous disease. He brings with him over 20 years treating venous disease including venous reflux and chronic venous insufficiency. Dr. Sternberg has set up a vein clinic at Lake Country Medical Group where he performs minimally invasive procedures including sclerotherapy, radiofrequency ablation, adhesive closure and foam ablation inorder to treat venous disease.
Eric Silver, MD
Dr. Eric Silver is a women’s health care specialist with over 40 years of medical experience. He specializes in all aspects of women’s health care, including menopause, sexual dysfunction, and gynecologic procedures. He provides women a supportive and friendly atmosphere for their health care needs throughout their lives. His passion is in being a partner to, and advocate for, his patients in all aspects of their overall health care.
Luis A. Pagan-Carlo, MD, FACC
Dr. Luis A. Pagan-Carlo is a board-certified cardiologist with over 25 years of medical experience. Based at the Minneapolis Heart Institute at Abbot Northwestern Hospital in Minnesota, he provides virtual cardiology care to Lake Country Medical Group patients. Dr. Pagan-Carlo is committed to providing world-class care that promotes a healthier life.
Kimberly Warnock, NP-C
Kim is a Family Nurse Practitioner who brings over nine years of experience providing exceptional care for both acute and chronic illnesses. After years of working in the Emergency Department, Kim has seen the true value of comprehensive preventative medicine, diabetes care, and management of chronic illness and it has become her passion. Kim is a highly valued addition to our team.
Kim graduated with her Bachelor’s degree from Georgia College and State University in 2009. She then practiced as a registered nurse in inpatient cardiology and Emergency Medicine. Kim became a Nurse Practitioner in 2013, graduating with a Master of Science in Nursing from Medical College of Georgia. Kim is board certified by the American Association of Nurse Practitioners.
For the past nine years Kim has practiced Emergency Medicine in multiple Emergency Departments in the area, treating patients of all ages, complaints, and acuities. This experience makes Kim exceptionally well rounded and capable of providing our patients with the absolute best healthcare. Kim and her husband have lived in the Lake Oconee area since 2009 and have three wonderful children. She enjoys time on the lake and traveling. She looks forward to taking care of patients and building relationships in the community she lives in.
Tiffany Leon, MSN, FNP-BC
Growing up in the South Florida area, Tiffany Leon is the daughter of a military family and granddaughter of Cuban immigrants. Growing up in a military family, Tiffany has always understood the value of hard work and dedication. As a nurse practitioner for Lake County Medical Group in Greensboro, GA, her own hard work and dedication has helped propel Lake County Medical Group to one of the most revered clinics in the local area. In her pursuit of excellence, Tiffany completed her Bachelor of Science in Nursing at South University of Savannah, GA. She then earned her Master of Science degree at South University of Savannah, GA. Tiffany practices as a Family Nurse Practitioner, Board Certified, who specializes in Primary Care and Internal Medicine. Her ability to make her patients feel at ease has earned her a spot as one of our stellar nurse practitioners. Tiffany has enjoyed being a resident in Madison, GA now for 5 years. While she’s not busy helping her patients, she enjoys crossfit, boating, hiking, playing the piano, concerts, and rooting for the Georgia Bulldogs football team (“Go Dawgs”).
Haley Bauguss, PA
Haley Bauguss is a certified physician assistant with over three years experience in primary care and internal medicine. She treats patients for both acute and chronic medical conditions. She is most passionate about preventative medicine and educating patients on healthy lifestyle, diet, exercise, sleep, and stress management in the hopes of preventing and reversing chronic disease. She lives in Athens with her two dogs, Mollie and Bella, and loves all things UGA!
RJ Brooks, Director of Operations
RJ Brooks directs the day-to-day functions of Lake Country Medical Group. RJ coordinates with our care team to provide all our patients with a smooth, hassle-free experience. RJ has over 10 years of experience in durable medical equipment. His passion is facilitating an environment where patients can enjoy excellent health care with convenience and comfort.
Grace Greenwald, RN, Clinical Director
Grace is a Lake Oconee local who draws from her clinical experience as an Emergency Nurse to bring a dynamic, patient-centered approach to our Clinic. She strongly believes that time is your most valuable, yet limited resource. She helps to optimize our clinical flow to ensure our patients get the most out of their time spent with our trusted medical providers. Grace also trains our team in new clinical skills to ensure safety, comfort, and best practice for each of our valued patients.
Grace offers aesthetic services through her business, Refine with Grace, at our clinic. With eight years of dermatology and aesthetic experience, Grace has achieved advanced certification through her work at Dermani Medspa in Atlanta, The Injectable Academy, and the American Academy of Facial Esthetics. Refine with Grace partners with Kay Greeveson, APNP & owner of Regents Park Aesthetics in London, and Dr. Christopher Assandra based out of Beverly Hills to offer our community cutting edge aesthetic services with safe, expert level techniques, and the artist eye that Grace possesses. Grace offers thorough skin consultation, aesthetic injections, and a variety of treatment options to help you reach your safest, most natural results. Grace thoroughly educates her patients prior to treatment, takes her time during treatments to ensure each result is optimal and comfortable. She gives her fullest attention and availability to follow up care so patients are supported every step of the way on their aesthetic journey.