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Pulmonary Hypertension

Timothy M. Ashburn, MD, FCCP

Timothy Ashburn, MD, FCCP, is a double board-certified pulmonologist at Hamilton Physician Group-Specialty Care inside Hamilton Cardiovascular Institute in Ringgold, Georgia. Dr. Ashburn attended medical school at the University of Tennessee College of Medicine in Memphis, Tennessee, completed his residency training in internal medicine at the University of Tennessee College of Medicine in Chattanooga, Tennessee, and his fellowship in pulmonology and critical care medicine at the University of Tennessee College of Medicine in Memphis, Tennessee.

Dr. Ashburn treats patients with chronic obstructive pulmonary disease (COPD), asthma, pulmonary fibrosis, lung cancer, COVID conditions, pneumonia, acute and chronic hypersensitivity, pulmonary hypertension, bronchiolitis, obstructive sleep apnea, etc.

“I’m excited to provide high-quality pulmonology services in Catoosa County,” says Dr. Ashburn. “I enjoy talking to my patients and building relationships with them. I believe strongly in lung cancer screenings and I’m excited about the many new medication options in the field of pulmonology.”

M. Ali Al-Azem, MD, MSHA, FCCP, FACP

M. Ali Al-Azem, MD, MSHA, FCCP, FACP, is a double board-certified pulmonologist/intensivist at Hamilton Physician Group-Specialty Care in Dalton, Georgia.
Dr. Al-Azem attended medical school at the Damascus University School of Medicine in Damascus, Syria, and completed his residency training in internal medicine at the Damascus University Hospital in Damascus, Syria, and St. Barnabas Hospital in New York, New York. He completed his pulmonology and critical care medicine fellowship at Mt. Sinai Medical Center/Queens Hospital in New York, New York.

Dr. Al-Azem treats patients with chronic obstructive pulmonary disease (COPD), asthma, pulmonary fibrosis, lung cancer, COVID conditions, pneumonia, acute and chronic pulmonary hypersensitivity conditions, pulmonary hypertension, bronchiolitis, and more.

To schedule an appointment with Al-Azem, call Hamilton Physician Group-Specialty Care at 706-529-3072.

Claire Allman, AGACNP-BC

Claire Allman is an advanced practice provider at Hamilton Cardiovascular Institute in Chattanooga, TN and Ringgold, GA.

T. Sean Dunn II, MD

Dr. Dunn is a cardiac electrophysiologist and cardiologist at Hamilton Physician Group-Cardiology in Dalton, Georgia, and Hamilton Cardiovascular Institute-Catoosa in Ringgold, Georgia. He attended medical school at the University of Tennessee Health Science Center in Memphis, Tennessee, and completed his residency training in internal medicine at the University of Alabama at Birmingham.

He also completed his cardiovascular disease and clinical cardiac electrophysiology fellowships at the University of Alabama at Birmingham. Dr. Dunn treats patients with all types of heart rhythm disorders, including bradycardia, tachycardia, and atrial fibrillation. These problems are resolved through medications or minimally invasive procedures such as cardiac ablation or the insertion of a pacemaker or defibrillator.

“I grew up in a family of healthcare professionals. My father was a physician, and my mother was a physician’s assistant. Some of my earliest memories were spent in their clinic. Even at a young age, it was easy to appreciate their incredible relationships with their patients and how much of an impact they made on the lives of others. That was something I aspired to do as well. Now,
as a physician myself, nothing is more gratifying than performing a procedure and having my patient return home the same day feeling better.”

Dr. Dunn and his wife grew up in the North Georgia/Chattanooga area. In their spare time, they enjoy hiking and exploring the outdoors.

To schedule an appointment with Dunn, call Hamilton Physician Group – Cardiology at 706-226-3434.

Y. Grant Kim, MD, MPH, FACC

Dr. Kim is a board-certified interventional and structural cardiologist at Hamilton Physician Group-Cardiology in Dalton, Georgia. He attended medical school at the University of Miami Miller School of Medicine and completed his residency training in internal medicine at Yale-New Haven Hospital in New Haven, Connecticut. He completed his fellowships in general cardiology and interventional cardiology at the Yale School of Medicine and then further trained in structural heart disease at Cedars Sinai Medical Center in Los Angeles, California.

In his spare time, Dr. Kim plays multiple musical instruments and played the violin in the Yale-New Haven Medical Symphony and string quartet. He also enjoys woodworking, hiking, and playing golf.

Dr. Kim’s patient care philosophy is to care for the patient and focus on his or her needs first. “As a doctor who performs procedures, I genuinely value building close relationships and laughing with my patients while providing the best care I can.”

He chose to serve as an interventional cardiologist because he values being part of a field that continues to grow and evolve. “All of our treatments and procedures feature the latest advances in science and technology. With the excellent team at Hamilton, we perform complex heart procedures safely and provide the very best care for our patients.”

George C. Leef, MD, FACC

Dr. George Leef is a non-invasive cardiologist at Hamilton Physician Group-Cardiology in Dalton, Georgia. Dr. Leef attended medical school at the University of Pittsburgh School of Medicine in Pittsburgh, Pennsylvania, completed his residency training in internal medicine at Stanford University in Stanford, California, and his fellowship in cardiology at Johns Hopkins University in Baltimore, Maryland.

In his spare time, Dr. Leef enjoys playing classical piano. Dr. Leef’s patient care philosophy is based on serving as an advisor. “I see my role as understanding what the patient’s concerns are, why they’ve come to see me, and then providing my best guidance on how to address their problems.”

Ali McBride, FNP-C

Ali McBride, NP-C is an advanced practice provider at Hamilton Physician Group – Cardiology in Dalton, GA. Hamilton Physician Group – Cardiology in Dalton, GA features some of the most advanced technology available to diagnose and treat heart conditions as well as highly trained cardiology physicians and staff.  Hamilton Medical Center is accredited by the American College of Cardiology Accreditation Services as a Cycle V Chest Pain Center with percutaneous coronary intervention (PCI).

Nicholas C. Sherrow, MD

Nicholas C. Sherrow, MD is a board-certified neonatologist at Hamilton Medical Center’s NICU – Neonatal Intensive Care Unit.
Hamilton’s NICU is the only one between Atlanta and Nashville that offers single-family rooms where parents can stay with their critically ill infants.
Being a Level III NICU enables us to care for ill or premature babies. While we wish that all babies could be born healthy, if a sick or premature baby is born, we want to provide the best care possible to our patients when this occurs.

Brittany L. Cannon, MSN, FNP-BC

Brittany Cannon is a Board Certified Family Nurse Practitioner, specializing in Cardiothoracic Surgery. Brittany began her career in healthcare at the age of sixteen as a Certified Nursing Assistant in the Emergency Department and on the Medical/ Surgical Unit at Rhea County Hospital. She graduated from Tennessee Wesleyan University with her Bachelors of Science in Nursing where she was inducted in Sigma Theta Tau International Honor Society of Nursing and received the Tennessee Nursing Association Student Award. She also had the honor of being State President for the Tennessee Association of Student Nurses where she worked closely with the Tennessee Nursing Association representing nursing students on both a state and national level. While caring for people with chronic cardiac illness, Brittany was inspired and encouraged to continue her education at King University and complete her Master’s degree. A short time later she passed her state board examination, officially becoming a Family Nurse Practitioner. Her passion has always been cardiac nursing and treating her patients with respect, compassion, and understanding.