At Mastin Internal Medicine, we provide personalized preventative care and treatment to adult patients. Our physicians provide primary care and also specialize in a variety of health conditions including sickle cell disease, diabetes, various infectious diseases, kidney disease, hypertension, chronic pulmonary conditions, arthritis and sleep disorders.
Mastin Internal Medicine hours of operation are Monday through Friday, 8 a.m. to 5 p.m.
Our physicians are also educators in the Frederick P. Whiddon College of Medicine at the University of South Alabama. Visit the Department of Internal Medicine to learn about its academic mission, residency and fellowship programs.
At Mastin Internal Medicine, we offer a variety of primary and specialty care services to adult patients. Our clinics are located inside the Mastin Patient Care Center.
USA Health has the largest number of internal medicine primary care physicians in our region. Those located at Mastin Internal Medicine provide convenient, patient-centered care to adult patients in Midtown.
Nephrology refers to diseases and disorders of the kidney. We treat patients with lupus and other autoimmune disorders, high blood pressure, diabetes, polycystic kidney disease, chronic kidney disease and kidney failure. Many of the diseases that affect your kidneys are systemic, meaning they affect your whole body.
For patients with either Type 1 or Type 2 diabetes, proper nutrition is key. Some symptoms of Type 2 diabetes can be alleviated or even eliminated with changes in diet.
Our pulmonologists diagnose and treat diseases of the lungs and respiratory system. Problems affecting the lungs and breathing are among those most disruptive to our quality of life. In some cases, pulmonary disorders such as asthma, pulmonary hypertension and chronic obstructive pulmonary disease (COPD) are life-threatening.
Sickle cell disease, an inherited disorder, causes red blood cells to lose their ability to carry oxygen. Episodic pain events, infection and lung complications are common problems caused by sickle cell disease. Complications may include stroke, kidney failure, damage to joints and other debilitating conditions.
Our sleep medicine specialists study, diagnosis and treat various sleep disorders, including sleep apnea, narcolepsy, insomnia, sleepwalking and restless leg syndrome. Patient consultations are conducted in Mastin Patient Care Center. They may then be referred to a nearby sleep center for additional studies.
See the full list of internal medicine providers who treat patients at this clinic.
Browse ProvidersOur internal medicine specialists diagnose and treat diseases in adults.
Learn MoreMastin Internal Medicine clinic is located in the Mastin Patient Care Center (Suite 102) on the campus of University Hospital.
This facility offers free parking and complimentary Wi-Fi to patients and their guests.
The University of South Alabama won Best Local College and Best Local College President while USA Health Mitchell Cancer Institute was named Best Oncology Practice in the 2025 Nappies.
“We truly appreciate Dr. Rager's dedication to adolescent health and to the well-being of our community,” said Benjamin Estrada, M.D., professor and interim chair of pediatrics for USA Health.
Mobile County high school students in the STEMM program completed research on environmental and health issues they see in their own neighborhoods: unsafe water, pollution, crime, and public health disparities.
Join USA Health for the ALS walk in support of the Kelly Butler ALS Center! Participation is free and we encourage you to create a fundraising team to drive more awareness and donations!
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