The experienced team at Primary Care Plus – O’Neal brings you quality primary care medicine, as well as a wide range of specialized services. We are committed to providing you with the comprehensive care you deserve.

We use an electronic medical record (EMR) system to store all your information, including your health history, medications, diagnostic reports, and notes from specialists. EMR connects your entire medical team at Primary Care Plus – O’Neal, so your care is always accurate and efficient. EMR also allows us to quickly send your medical information to a hospital or other healthcare provider, if needed.

Same Day or Next Day Appointments Available for Current Patients

Office Hours:

7:00 a.m. to 4:30 p.m.
Monday through Thursday

7:00 a.m. to 2:30 p.m.

4710 O’Neal Lane
Baton Rouge, LA 70817


Primary Care Plus - O'Neal

4710 O’Neal Lane
Baton Rouge, LA 70817

Patient Forms

Download and fill out PDF forms prior to your visit.

our Providers

Michael 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. 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.

Phillip H. Ehlers, M.D.

Dr. EhlersFamily 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.

Cynthia Tillman, MSN, FNP-C

Family Medicine Cynthia Tillman is a nurse practitioner who specializes in family medicine. She has a background in a variety of areas, including geriatric care, retail health, primary care and emergency room trauma nursing. She earned a Bachelor of Science in Nursing from Louisiana State University Health Sciences Center New Orleans in 2001 and a Master of Science in Nursing in family practice from Loyola University New Orleans in 2011.

Cynthia has been a board-certified family nurse practitioner since 2011.

We offer a wide range of healthcare services

Primary Care Plus – O’Neal offers convenient appointments for primary care, including routine physicals, immunizations, and treatment for illness and injury. We also offer specialized services, including:
  • Internal medicine
  • Diagnostics, including:
    • Electrocardiography (EKG)
    • Lab tests
    • Spirometry

We accept most insurance plans. Call us for more information. 

Brad J. Ramsey, D.O. family medicine

Your source for primary care providers in Louisiana. Primary Care Plus is a healthcare clinic dedicated to patient health through continuity of care.