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Covenant Health is an innovative, Catholic regional delivery network and a leader in values based, not-for-profit health and elder care. We sponsor hospitals, nursing homes, assisted living residences and other health and elder care organizations throughout New England.

St. Joseph Hospital Welcomes New Providers in Multiple Specialties


Today St. Joseph Hospital, a member of Covenant Health, welcomed four new providers, in multiple specialties, to its practices in Milford and Nashua.  

“We take great pride in offering residents of Greater Nashua comprehensive and high-quality care right in their own community,” said John Jurczyk, President, St. Joseph Hospital. “We’re pleased to welcome this experienced and clinical diverse group of providers and specialists to our team.” 

Jonathan Sixon, M.D.
Dr. Sixon is a primary care provider at St. Joseph Family Medicine & Specialty Services in Milford - 444 Nashua Street. He was recognized as Doctor of the Year in 2018 and 2019 by the Souhegan Valley Chamber of Commerce. Dr. Sixon earned his medical degree from State University of New York (SUNY) in Syracuse, New York and completed his residency at Pity County Memorial Hospital/United Health Systems of Eastern Carolina in Greenville, North Carolina. He enjoys caring for children and adults of all ages. To make an appointment, please call 603.673.3014.

Timur Graham, M.D.
Dr. Graham is a pulmonologist at St. Joseph Hospital Pulmonary Medicine - 166 Kinsley Street, Suite 101 in Nashua. He earned his medical degree from University of Connecticut School of Medicine and completed his residency in internal medicine at University of Connecticut, Farmington, Connecticut. He then completed a residency in pulmonary and critical care medicine at Brown University in Providence, Rhode Island. His clinical interests include pulmonary hypertension, obstructive lung diseases, sepsis and more. To make an appointment, please call 603.889.4131. 

Umer Syed, M.D.
Dr. Syed is a gastroenterologist at St. Joseph Hospital Gastroenterology - 168 Kinsley Street, Suite 10 in Nashua. He earned his medical degree from St. George's University School of Medicine in Grenada, West Indies. He completed his residency and fellowship in gastroenterology at Mount Sinai Hospital/Elmherst Hospital Center in New York, New York. His clinical interests include liver disease, colorectal cancer, gastroesophageal reflux disease and more. To make an appointment, please call 603.578.9363. 

Daniel Tseytlin, D.O.
Dr. Tseytlin is a rheumatologist at St. Joseph Hospital Rheumatology - 168 Kinsley Street, Suite 10 in Nashua. He earned his medical degree from The Lake Erie College of Osteopathic Medicine in Erie, Pennsylvania. He competed his residency and fellowship in rheumatology at Lehigh Valley Health Network in Allentown, Pennsylvania. His clinical interests include rheumatoid arthritis, reactive arthritis, psoriatic arthritis, lupus and more. To make an appointment, please call 603.578.9363.

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