northside network providers

Northside Hospital is committed to expanding access to leading health care across Georgia. The health system announces the following network updates. 

SantiagoNorthside Decatur Primary Care welcomes Dr. Francisco J. Echevarria-Santiago 

Dr. Echevvaria-Santiago is a board-certified physician in internal medicine. He specializes in preventative care, type 2 diabetes, hypertension and obesity. 

“Establishing relationships with my patients is my top priority when it comes to their care,” he said. “It is important for me to motivate them to take control of their health.” 

Dr. Echevarria-Santiago began seeing patients at Northside Decatur Primary Care on July 10. Call 770-934-7876 to make an appointment, or for more information visit

RehmanNorthside Heart Institute welcomes Dr. Mobeen Rehman 

Dr. Rehman is a board-certified cardiologist with expertise in complete cardiac care. His clinical interests include echocardiography, nuclear cardiology, cardiac catheterization and valvular heart diseases.

As a physician, Dr. Rehman's first priority is the care of his patients. He finds a sense of deep purpose in building relationships with them and relies on his years of cumulative knowledge, patience and persistence to ensure they receive top care. 

Dr. Rehman began seeing patients in Alpharetta on June 1. Learn more at

PomboDr. Mathew Pombo joins Northside Hospital Orthopedic Institute

Dr. Pombo joined Northside Hospital Orthopedic Institute - Sports Medicine in early July.

The Atlanta native was one of the youngest members of his graduating class at the Medical College of Georgia and was one of the youngest members inducted into the prestigious Alpha Omega Alpha medical honors society. He completed his orthopedic surgery training at Wake Forest University and his orthopedic sports medicine and shoulder fellowship at the University of Pittsburgh Sports Medicine Center.

He currently serves as a pool physician for the U.S. Soccer Federation and is a FIFA diplomat, certifying him as a specialist in soccer medicine and soccer injuries.

Dr. Pombo sees patients at locations in Woodstock and Canton. Learn more at

Northside Radiation Oncology Consultants welcomes Dr. Sarah Singh 

Dr. Singh is a board-certified radiation oncologist. A Georgia native, she received both her bachelor’s and master’s degrees at the Georgia Institute of Technology before attending medical school at the Medical College of Georgia. She went on to complete her radiation oncology residency at West Virginia University School of Medicine, where she was chief resident. 

Dr. Singh is dedicated to delivering safer and more effective cancer treatments while providing high-quality care. She is one of only a few physicians to treat cancer using a magnetic resonance linear accelerator (MR-Linac). 

Dr. Singh sees patients at Northside Hospital Cancer Institute Radiation Oncology - Atlanta. Learn more at

KrahnkeSleep Disorders Center of Georgia welcomes Dr. Jason Krahnke 
Dr. Krahnke is a board-certified sleep medicine physician. His expertise includes obstructive sleep apnea, central sleep apnea, idiopathic hypersomnia, narcolepsy and insomnia.

Dr. Krahnke also specializes in the evaluation, diagnosis and treatment of sleep disorders, as well as sleep study interpretation. 

He’s currently seeing patients in Sandy Springs. Call 404-257-0080 to make an appointment, or visit for more information. 

View the full list of Northside Network Providers.


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