Request Appointment

Contact us today to request an appointment

Welcome to Our Practice

At Maranatha Medical Plaza, we recognize that you have a choice when it comes to your healthcare provider. This website contains information about our doctors, locations, hours, emergency practices and more. The more you know, the more comfortable we hope you will be.

Maranatha Medical Plaza offers Pulmonary Clinic services for Lung DiseasesCOPD, Asthma, Allergies, Sleep apnea, and more. We believe our website is the best way for you to stay connected to our practice and get the highest quality of care possible. We also provide 24/7 access to an array of information on many common healthcare topics.

On behalf of all our professionals and staff, we welcome you to our practice, and look forward to helping you preserve a lifetime of good health.

Meet Our Providers

Learn Who We Are

  • Dr.
    Jose Medina-Bairan, MD, FCCP, FACP, FAASM

    Dr. Medina graduated from the Pedro Henriquez Ureña National University in the Dominican Republic in 1985. He then completed an Internship and Residency in Internal Medicine at the Oncology Institute Department of Health, and the Salvador B. Gautier Hospital (affiliated with the Autonomous University of Santo Domingo) in Santo Domingo, Dominican Republic. In order to further his training, he moved to Brooklyn, New York, where, from 1988 to 1991, he completed an Externship, Internship and Residency in Internal Medicine at the State University of New York Health Science Center in Brooklyn.

    Read More

  • Dr.
    J. Gabriel Medina-Smester, MD

    Dr. Medina-Smester graduated Magna Cum Laude from The University of Georgia with a Bachelor of Science in Cellular Biology. He was a Betty Wray Scholar at the Medical College of Georgia and completed his Internship and Residency in Internal Medicine at Jackson Memorial Hospital/University of Miami Hospital/Miami VA, as well as his Fellowship in Sleep Disorders.

    Read More

  • Dr.
    Juan C. Guarderas, MD

    Dr. Juan C Guarderas, MD, joined Maranatha Medical Plaza in January 2021. He is original from Quito, Ecuador, and attended Medical School at the University of El Salvador, in Buenos Aires, Argentina.

    He did his residency in Internal Medicine at the East Tennessee State University and his fellowship in Allergy and Immunology at the Cleveland Clinic Foundation. He practiced Allergy and Immunology for 22 years at Mayo Clinic in Jacksonville, FL, where he became the director of the Department. In 2014, he was invited to put together an Allergy program with the Department of Medicine of the University of Florida, and directed that program for 3 years, a program that has been very successful in-patient care, research and education. Dr. Guarders retired from that position in February 2018.

    Read More

  • Christine Brown, NP

    Christy Brown, a Georgia native, graduated with an ADN in 1995 from Jefferson Community College in Watertown, NY. She received her BSN and MSN from Valdosta State University in 2005 and 2013, respectively. Christy worked at SGMC from 1995-2013 in a variety of nursing and leadership roles focusing in critical care and cardiology and later worked briefly at Valdosta Family Medicine. Christy joined Maranatha Medical Clinic in March of 2014.

    Read More

  • Melanie Eller Lindsey, NP

    Melanie Eller Lindsey, Certified Family Nurse Practitioner joined the Maranatha Medical Clinic staff in February 2019. She graduated with her Associate of Science in Nursing in 1980, Bachelors of Science in Nursing in 1995, and Masters of Science in Nursing in 1996 from Mississippi University for Women in Columbus, Mississippi. Board-certified through American Nurses Credentialing Center as a Family Nurse Practitioner and a Medical/Surgical Nurse. 

    Read More

  • Elliot Ortiz, CRT, RPSGT

    Elliot Ortiz has years of experience as a Respiratory Therapist and serves as the Chief Technologist of REM Sleep Centers. He has overseen our labs in multiple cities throughout Georgia and has organized the implementation of REM Sleep Centers into Florida and the Dominican Republic.

    Read More

Featured Articles

Read about helpful topics

  • Chronic Disease

    According to the Center of Disease Control, chronic diseases cause 7 out of 10 deaths each year and are responsible for 86 percent of America’s healthcare costs. Some of the most common chronic diseases include: Heart disease Stroke Cancer Diabetes Obesity Arthritis Other types of chronic conditions ...

    Read More
  • Women's Health

    Women's health is a field covering the numerous health concerns that women face, from reproductive and sexual health to mammograms. Women are more likely to develop chronic health issues such as migraines, arthritis, or depression. From teen girls to adult women, your family physician is here to provide ...

    Read More
  • Preventive Care

    We know your family's health is of the utmost importance in your life. Whether you are a first-time parent or have teenagers, it's important that everyone in your family is given the proper medical care they need. That doesn’t just mean visiting when someone is sick - that also means regular "wellness ...

    Read More
  • Acute Diseases

    At some point in our lives we will all experience a health problem, whether it's the common cold or the pesky flu. While some will go away on their own, there are health issues that require urgent medical attention, and it's important to know when to seek proper treatment. What Is An Acute Disease? An ...

    Read More
  • What is Internal Medicine?

    Internal medicine is the specialty of preventing, diagnosing and treating a host of different diseases and disorders. Whether you are healthy and interested in preventing illness or already sick, your internist is here to care for you. What is an Internist? Your internist has gone through years of ...

    Read More
  • Depression

    Clinical depression is a mood disorder that causes people to lose interest in things they once loved. People with depression often feel hopeless and anxious. And make no mistake - depression can happen to anyone, regardless of their age or gender. Some of the most common symptoms of depression include: Increased ...

    Read More


What Our Clients Say About Us

    The front desk and staff was so friendly and welcoming. I felt like I had been going there forever.

    Diane T.

    Christy NP, was absolutely amazing as well as the staff that work there.

    Lavida W.

    Great staff and excellent Dr's

    Melissa R.

    Best PA in town! Minimal wait time.

    Wanda J.

Our Location

Find us on the map

Hours of Operation

Our Regular Schedule

Maranatha Medical Plaza


8:30 am-5:30 pm


8:30 am-5:30 pm


8:30 am-5:30 pm


8:30 am-5:30 pm


8:30 am-12:30 pm