Dr. Shannon Gulliver CaspersenM.D.

Internal Medicine

at The Lown Group — Boston, MA

About

Shannon Gulliver Caspersen, MD practices internal medicine and primary care at The Lown Group. She has a particular clinical focus on post-COVID conditions, including POTS. Her personal experience with COVID-19 long-haul symptoms, including heart rate dysregulation after mild activity, deepened her understanding of how these conditions affect patients. In October 2020, she published a first-person account of that experience in the New York Times Well section.

Conditions Treated

Post-COVID conditions
POTS (Postural Orthostatic Tachycardia Syndrome)
Heart rate dysregulation
Hypertension
Metabolic syndrome
Cardiovascular disease

Who is Dr. Gulliver Caspersen right for?

Dr. Gulliver Caspersen is a strong fit for adults navigating post-COVID conditions or unexplained symptoms after illness. Patients experiencing POTS, heart rate dysregulation, or long-haul fatigue benefit from her focused expertise. Her personal experience with COVID-19 long-haul symptoms gives her a grounded, empathetic clinical perspective. She also serves patients seeking comprehensive internal medicine and primary care.

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Frequently Asked Questions

Dr. Gulliver Caspersen focuses on post-COVID conditions, including POTS and heart rate dysregulation. She also practices general internal medicine and primary care. Her clinical focus on long-haul COVID symptoms grew directly from her own experience navigating those conditions.

Yes, POTS management is a core part of Dr. Gulliver Caspersen's clinical work. She developed deep expertise in this area after personally experiencing heart rate dysregulation following a mild COVID-19 infection. That background informs how she approaches diagnosis and treatment for her patients.

Dr. Gulliver Caspersen experienced COVID-19 long-haul symptoms herself, including heart rate irregularities after mild activity. That experience shaped her understanding of how disruptive these conditions can be. She wrote about it publicly in the New York Times Well section in October 2020.

Dr. Gulliver Caspersen holds her MD and practices internal medicine and primary care at The Lown Group in Boston.

Dr. Gulliver Caspersen sees adults seeking primary care and internal medicine, with a particular focus on patients managing post-COVID conditions. Patients with unexplained fatigue, POTS, or lingering symptoms after COVID-19 infection find her experience especially relevant.

Yes. Dr. Gulliver Caspersen published a first-person account of her COVID-19 long-haul experience in the New York Times Well section in October 2020. The piece described heart rate dysregulation and other symptoms she experienced after a mild infection.

Doctor profile last updated March 21, 2026