O’Neal & Perkins Doctors & Staff

Dr. Michael GuariscoMichael Guarisco, M.D.

Internal Medicine
Dr. Michael Guarisco earned a Doctor of Medicine from Louisiana State University Medical Center in New Orleans. He then completed internship and residency in internal medicine, and a fellowship in Emergency Medicine and Internal Medicine at the Mayo Clinic in Rochester, MN. Dr. Guarisco worked as an internist, then Section Head, and finally Chairman for the Division of Primary Care for the Ochsner Clinic Foundation in Baton Rouge. Since 2004, Dr. Guarisco has worked as a practicing physician at Primary Care Plus and has served as Medical Director since 2006. Dr. Guarisco is board certified in internal medicine and serves as a Diplomat for the American Board of Internal Medicine. He is affiliated with Baton Rouge General Medical Center, Our Lady of the Lake Regional Medical Center and Ochsner Medical Center – Baton Rouge.

Dr. Guarisco also serves as Medical Director of the Baton Rouge clinics.

Dr. Vaughn MeinersVaughn R. Meiners, Jr., M.D.

Family Medicine

Dr. Vaughn Meiners completed medical school at Louisiana State University Health Sciences Center in Shreveport, and then continued his medical education at St. Vincent’s Family Medicine Residency in Jacksonville, FL. Before joining Primary Care Plus, Dr. Meiners spent 8 years in private practice as co-owner of Fountain Family Medicine in Jacksonville, FL, with his wife, Dr. R. Kim Meiners. Dr. Meiners is board certified in Family Medicine and has served as principal investigator on several research studies. He has a special interest in men’s health, diabetes management and cardiovascular risk management, including treatment of lipid disorders and hypertension.

Phillip H. Ehlers, M.D.

 Dr. Phillip Ehlers

Family Medicine
Dr. Phillip Ehlers earned his medical degree from St. George’s University School of Medicine in St. George’s, Grenada, and completed his medical education at the Louisiana State University Health Sciences Center Family Medicine Residency Program in Lake Charles, LA. Dr. Ehlers has been in practice since 2009 in Walker, LA; first with the North Oaks Health System and most recently with the Our Lady of the Lake Physician Group.  His medical experience also includes practicing as an Urgent Care and Emergency Medicine Physician in the surrounding communities.  Dr. Ehlers is a member of the American Academy of Family Physicians, as well as a Board Member of the Louisiana Academy of Family Physicians.


Dr. James DollJames Doll, M.D.

Dr. James Doll earned a Doctor of Medicine from West Virginia University School of Medicine. He followed his degree with an internship at Maricopa County Hospital in Phoenix, AZ, and a residency in internal medicine at West Virginia University Hospital in Morgantown, WV. Dr. Doll has worked in several academic and clinical positions – including as a member of the medical staff at Maricopa County Hospital, an Associate Professor of Medicine at Tulane Medical Center in New Orleans and Chief of Rheumatology at Veterans Affairs hospital in New Orleans. Since 1985, Dr. Doll has worked as a practicing physician at the clinic. Dr. Doll is board certified in internal medicine and allergy and board eligible in rheumatology.

Brad J. Ramsey, D.O.

Family Medicine
Dr. Brad J. Ramsey earned his doctoral degree from Edward Via College of Osteopathic Medicine in Blacksburg, VA, and completed his internship and residency at North Mississippi Medical Center in Tupelo. He served as an attending physician at Wayne General Hospital, also in Mississippi, for just under two years before joining the Valley Emergency Physicians Fellowship in Walnut Creek, CA. In 2016, Dr. Ramsey returned to his home state of Louisiana. Prior to joining Primary Care Plus, he split his time between working as an urgent care physician at Lake After Hours in Baton Rouge and as an emergency physician at King’s Daughters Medical Center in Brookhaven, MS.

Dr. Ramsey is a member of the American Academy of Family Physicians, the Mississippi Academy of Family Physicians, and the Mississippi State Medical Association. He holds certifications in advanced life support and critical care.

Handling your health with care.