Experienced Providers are at the heart of our care.


Arthritis Associates offers patients suffering from arthritis, osteoporosis or other rheumatic diseases a wide range of services from testing and diagnosis to a variety treatments including education, medicine, diet, lifestyle management, exercise and physical therapy. We appreciate your confidence in selecting us and would like to assure you that we will do all we can to help you with your medical problem. We encourage you to ask questions about your medical problems, your illness, or our recommendations concerning your treatment. Only after you are fully informed will you be in a position to give your consent to a plan for your treatment. We also welcome suggestions on how we can improve our service to you. Please feel free to discuss these with any member of our staff or by letter or email if you prefer. If you provide us with your name and contact information, we'll be happy to respond. Our goal is to give every patient the best care possible. Above all, your health is our main concern.



david i. weiss, M.D.

Born in Pittsburgh, Pennsylvania, Dr. Weiss considers himself a native Mississippian since moving to Jackson at the age of three. He is married with three children and is fluent in both English and Spanish.

He attended the University of Southern Mississippi before completing his basic sciences from the UTESA School of Medicine in Santo Domingo, Dominican Republic, and his clinical studies through Yale University and the University of Connecticut. Following an internship at Long Island College Hospital in Brooklyn, New York, and residency at Brown University School of Medicine in Providence, Rhode Island, Dr. Weiss earned his Rheumatology Fellowship at Jackson Memorial Hospital in Miami, Florida in June, 1995.

Dr. Weiss began his professional career at the Center for Arthritis and Rheumatic Diseases, a group specialty practice in Miami, Florida. Since relocating to the Hattiesburg area in 1997, Dr. Weiss has been treating patients throughout South Mississippi who suffer from arthritis, osteoporosis and other rheumatic diseases.

David I. Weiss, M.D.

In 2016 we welcomed to Arthritis Associates a Petal native, Kelli Parker Mooney, FNP-C.  Kelli’s career choice first began in high school as an honor student enrolled in Petal High’s Allied Health program as her student clinical experiences sparked her interest. Upon graduation, Kelli initiated her nursing education receiving an Associate’s degree in nursing at Jones County Junior College and a Bachelor’s of Science in Nursing from William Carey University. 


As a registered nurse, Kelli worked as a case manager and clinical director for a local hospice company until beginning her nurse practitioner studies. In 2016 she obtained a Master’s of Science in Nursing from South University with a 3.95 grade point average.  Kelli is board certified through the American Academy of Nurse Practitioners with a specialization as a Family Nurse Practitioner. Kelli’s knowledge of rheumatology and treating conditions such as Osteoarthritis, Fibromyalgia, Lupus, and mixed connective tissue diseases makes her a tremendous value for our patients. Kelli keeps current on research and recently attended the Clinical Congress of Rheumatology training seminar in Florida. 


While gratefully acknowledging her family and the many nursing instructors and nurse practitioners who have been instrumental and encouraging, Kelli stated that she is honored to serve the community at Arthritis Associates and is devoted to each of her patients’ healthcare outcomes.  She states that at Arthritis Associates a patient-centered and individualized approach providing the best clinical care ensures high patient satisfaction and trust.  She currently lives in the Oak Grove area with her husband, a Lamar County educator, and their two-year old daughter.

Kelli P. Mooney, MSN, FNP-C
Kelli P. Mooney, MSN, FNP-C
Rebecca Cartlidge, RN

Rebecca came to us in February 2018 with 2 years experience in cardiac nursing, 6 years experience in orthopedic nursing, and 1 year of clinical nursing experience. She graduated with her ADN from Meridian Community College in 2009. Rebecca is equipped with the skill set and knowledge to lead the infusion center at Arthritis Associates. She infuses intravenous medications for a variety of inflammatory and musculoskeletal related conditions including but not limited to Rheumatoid Arthritis, Psoriatic Arthritis, Osteoporosis, and Systemic Lupus. The infusion center at Arthritis Associates offers a comfortable atmosphere for patients with relaxing large recliners, television, and a variety of reading material. She also performs daily tasks such as phlebotomy, injections, patient education, training and helps with prior authorizations for medications. She is a Laurel native, and currently resides in Petal, MS with her husband and two daughters.

Our x-ray technologist is Rori Miller RT(R) and she has been employed by Arthritis Associates for 14 years. She is licensed by the American Registry of Radiologic Technologists as well as the MS State Board of Health. In addition to many years of clinical experience performing DEXA scans Rori has completed training and certification for bone densitometry by the International Society for Clinical


Rori Miller, RT (R)
Rori Miller, RT (R)

Jennifer is the newest member of the Arthritis Associates family. She came to us in February 2019 with 20 years experience in cardiac nursing and clinical experience and 2 years experience as a nurse consultant. She graduated with her BSN from the University of Southern Mississippi in 1997. She performs daily tasks such as phlebotomy, injections, patient education, training and helps with prior authorizations for medications. She also helps with clinical trials and with patient infusion. She is a Oak Grove native, and currently resides in Hattiesburg, MS with her husband and two sons.

Jennifer Easterling, RN

Danielle joined the staff of Arthritis Associate, PLLC in 2013 as a receptionist.  With the desire to help with patient care, Danielle trained and became a licensed X-Ray technician with the State Board of Health.  As well as a medical assistant to assist the providers and the nursing staff.  Danielle is a Covington County native and lives in Sumrall with her family.

Kelli P. Mooney, MSN, FNP-C
Danielle Pickett, X-Ray