Meet the Team
Grace Greenwald, RN
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 us.
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. Grace also 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. She 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.
Diane Peterman, MD
Dr. Peterman brings with her over 25 years of experience in emergency medicine and urgent care. She comes to Greensboro, Georgia from Great River, New York where she was the Director of the West Islip ProHealth Urgent Care. As an experienced urgent care physician, she is an expert in diagnosing and treating a wide range of illnesses and injuries that require immediate attention. She is highly trained to assess patients’ symptoms, order and interpret diagnostic tests, and provide treatment. We are excited to be able to accommodate patients with illnesses and sudden onset of symptoms. Dr. Peterman will help us continue to ensure that patients of Lake Country Medical Group receive timely and compassionate care. With her help we will be able to accommodate more sick visits from active patients.
Dr. Peterman completed medical school at New York Medical College and her emergency medicine residency at North Shore University Hospital where she was an Attending Physician and the Assistant Director of the Pediatric Emergency Department at North Shore University Hospital. From here she discovered her passion for urgent care in order to treat patients with non-life threatening conditions and receive convenient care. She helped to establish and develop ProHealth Urgent Care in New York which improved the availability of care in the community.
Dr. Peterman’s philosophy is to always treat her patients as if they were her family. She stated that her patients are what keeps her passionate and invested. It is important to Dr. Peterman that patients are heard. She is intentional about listening to patients and using this to make good clinical decisions.
Dr. Peterman and her husband Tim are moving to the area full-time in early 2024. Dr. Peterman is an avid outdoors-women. She has hiked Mount Kilimanjaro, ran marathons, and camped in Mexico to witness the Monarch butterfly migration. She is an inspiration for healthy living and lifestyle. Her interests in health and wellness will be a wonderful contribution to Lake Country Medical Group.
Vice President 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.
Meet Melissa Lazar, Lake Country Medical Concierge’s Administrative Assistant. Melissa brings over 20 years of customer service experience to provide seamless coordination of care to our Concierge Members. Melissa is an integral part of our team and cares so deeply about our patients. Her exceptional organizational, communication, and intrapersonal skills ensure each patient’s needs are met in the timely, friendly manner our Concierge Members deserve. Melissa wears many hats from reception & scheduling to referrals and billing. She has an upbeat, positive attitude that makes her a joy to work with and an asset to our team and our members!
Outside of the office, Melissa continues to wear many hats as a wife, mother, and grandmother. She enjoys spending quality time with her wonderful husband, 3 adult children, and spoiling her adorable grandchildren ages 1, 3, and 5.
Caring for others is truly Melissa’s calling and we are so grateful to have her at LCMC!
Brittany Henderson, CMA
Patient Care Coordinator
Brittany has joined our concierge program as the patient care coordinator. Brittany brings with her an innate ability to provide compassionate care to our patients. She loves being able to provide personalized and caring services to our patients.
Brittany grew up in Cherokee County and she received her degree from the University of North Georgia. Outside of our office she loves to exercise, enjoy time with family & friends, and spend an afternoon on the lake with her silver lab Bentley. One interesting fact about Brittany is that she was a World Champion Cheerleader.