Our Advanced Practitioners
Jonathan Gerbode-Grant, NP
Jonathan Gerbode-Grant has practiced in the Boston area since 2017, caring for thousands of patients with a wide range of healthcare issues. At the Lown Group, his breadth and depth of experience in internal medicine complements the cardiology team, providing patients with an opportunity to receive a full spectrum of services, including acute care, chronic disease management and individualized plans for proactive wellness. Jonathan brings a long-held passion for education, always guided by the goal of compassionately helping people realize their optimal quality of life.
He completed his Masters of Science in Nursing and Family Nurse Practitioner degree at Simmons College in Boston, earned a scholarship at the Schwartz Center for Compassionate Healthcare, and studied at Boston's MGH Institute of Health Professions. An avid cyclist, boater and outdoorsman, he enjoys spending time in the Boston area and on Lake Champlain in Vermont with his wife, two daughters, and rescue Labrador Retriever. Jonathan also leads an online health and wellness group for almost 12,000 fathers across five continents.
Jonathan joined the Lown Group in October 2021.
Jonathan Gerbode-Grant, NP
Jonathan Gerbode-Grant has practiced in the Boston area since 2017, caring for thousands of patients with a wide range of healthcare issues. At the Lown Group, his breadth and depth of experience in internal medicine complements the cardiology team, providing patients with an opportunity to receive a full spectrum of services, including acute care, chronic disease management and individualized plans for proactive wellness. Jonathan brings a long-held passion for education, always guided by the goal of compassionately helping people realize their optimal quality of life.
He completed his Masters of Science in Nursing and Family Nurse Practitioner degree at Simmons College in Boston, earned a scholarship at the Schwartz Center for Compassionate Healthcare, and studied at Boston's MGH Institute of Health Professions. An avid cyclist, boater and outdoorsman, he enjoys spending time in the Boston area and on Lake Champlain in Vermont with his wife, two daughters, and rescue Labrador Retriever. Jonathan also leads an online health and wellness group for almost 12,000 fathers across five continents.
Jonathan joined the Lown Group in October 2021.
Alyssa Gramstorff, PA-C
Alyssa Gramstorff, MSPAS, PA-C is a board-certified physician associate from central Massachusetts working in our internal medicine branch alongside Dr. Joel Katz. She graduated with her Master of Science in Physician Associate Studies from Bryant University in 2021. Since graduating, she has become passionate about primary care and gained ample experience through prior positions. She works diligently to manage a variety of both acute and chronic medical conditions, ranging anywhere from a common cold to chronic diabetes. She is highly focused on maintaining excellent relationships with her patients through open communication and shared decision making.
In her free time, Alyssa enjoys reading, spending time with friends & family, and exploring the city. She joined the Lown Group in October 2024 and is greatly looking forward to her future at the practice.
Alyssa Gramstorff, PA-C
Alyssa Gramstorff, MSPAS, PA-C is a board-certified physician associate from central Massachusetts working in our internal medicine branch alongside Dr. Joel Katz. She graduated with her Master of Science in Physician Associate Studies from Bryant University in 2021. Since graduating, she has become passionate about primary care and gained ample experience through prior positions. She works diligently to manage a variety of both acute and chronic medical conditions, ranging anywhere from a common cold to chronic diabetes. She is highly focused on maintaining excellent relationships with her patients through open communication and shared decision making.
In her free time, Alyssa enjoys reading, spending time with friends & family, and exploring the city. She joined the Lown Group in October 2024 and is greatly looking forward to her future at the practice.
Alyssa Gramstorff, PA-C
Alyssa Gramstorff, MSPAS, PA-C is a board-certified physician associate from central Massachusetts working in our internal medicine branch alongside Dr. Joel Katz. She graduated with her Master of Science in Physician Associate Studies from Bryant University in 2021. Since graduating, she has become passionate about primary care and gained ample experience through prior positions. She works diligently to manage a variety of both acute and chronic medical conditions, ranging anywhere from a common cold to chronic diabetes. She is highly focused on maintaining excellent relationships with her patients through open communication and shared decision making.
In her free time, Alyssa enjoys reading, spending time with friends & family, and exploring the city. She joined the Lown Group in October 2024 and is greatly looking forward to her future at the practice.
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Hospital Affiliations
The Lown Group is closely affiliated with the Brigham and Women’s Hospital and Harvard Medical School. Our Board-Certified physicians hold teaching positions at Harvard Medical School and faculty appointments at Brigham and Women’s Hospital. In the event of hospitalization or invasive procedures, we will make every effort to admit our patients to the Brigham and Women’s Hospital, where our physicians will see hospitalized patients daily to provide continuity between the hospital and clinical setting.