Dr. Claudia Arregoytia

Nicholas Moy, MD, MAS, is a board-certified internal medicine physician offering primary care for adults, with special medical interest in quality improvement and geriatrics. Dr. Moy loves to make a difference in people's lives, from treating basic conditions such as a cold or flu, to managing more complicated conditions such as diabetes or hypertension. As the captain of the ship, so to speak, he oversees his patients' care, ensuring smooth and timely coordination with specialists, as needed, to fully address their health care needs.Outside of his practice, Dr. Moy enjoys hiking, kite flying, gardening and cooking.Dr. Moy is a member of the Concierge Medicine team. Learn more aboutConcierge Medicine. His top areas of expertise are Diabetic Nephropathy, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Dr. Sullivan's clinical focus is chronic complex illness. He is particularly eager to continue helping patients with these conditions: Chronic fatigue, Lyme disease, Mold Related Illness, Anxiety, ADHD, Postural Orthostatic Tachycardia Syndrome (POTS), Ehler’s Danlos Syndrome (EDS), Small Intestinal Bacterial Overgrowth (SIBO), Autoimmune disease (Hashimoto’s, Crohn’s Disease, Ulcerative Colitis, Rheumatoid Arthritis, Scleroderma, Sjrogren’s, Lupus, Multiple Sclerosis), Depression, Heavy Metal Exposure, and Environmental Medicine. His top areas of expertise are Chronic Fatigue Syndrome, Lyme Disease, Long Haul COVID, and Mononucleosis.