About
Maria Castillo-Catoni, MD grew up in San Juan, Puerto Rico, where she completed both her undergraduate education and her medical degree at the University of Puerto Rico. She then trained in internal medicine at Virginia Commonwealth University in Richmond, serving as chief resident during her final year. After residency, she spent close to nine years as a physician at Inova Medical Group before joining NVFP. Dr. Castillo-Catoni holds board certification in internal medicine and brings 14 years of professional experience to her patients. She is a bilingual Spanish speaker. Her clinical focus includes nutrition, healthy habit formation, psychosocial factors affecting health, and coordination of care. She devotes meaningful time at each visit to understanding the personal and social context behind a patient's health. Dr. Castillo-Catoni accepts new patients at the Washington, DC location.
Education & Training
Undergraduate
University of Puerto Rico
Medical School
University of Puerto Rico
Residency
Internal Medicine, Virginia Commonwealth University (served as Chief Resident)
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Castillo-Catoni right for?
Dr. Castillo-Catoni is a strong fit for adults seeking a preventive and whole-person approach to internal medicine. Patients who want a physician who explores the social and personal context of their health will find her style especially valuable. Spanish-speaking patients benefit directly from her bilingual practice. She also serves patients managing chronic conditions who need coordinated, attentive care.
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Frequently Asked Questions
Dr. Castillo-Catoni specializes in Internal Medicine and Preventive Medicine. Her clinical focus includes nutrition, healthy habit formation, and coordination of care. She also addresses psychosocial factors that affect a patient's overall health.
Yes, Dr. Castillo-Catoni holds board certification in Internal Medicine. She earned that certification after completing her residency training at Virginia Commonwealth University in Richmond, where she also served as chief resident.
Dr. Castillo-Catoni earned her undergraduate and medical degrees at the University of Puerto Rico. She then completed her Internal Medicine residency at Virginia Commonwealth University, where she was selected as chief resident during her final year.
Yes, Dr. Castillo-Catoni is a bilingual Spanish speaker and sees patients in both English and Spanish. This makes her a particularly strong fit for Spanish-speaking patients in the Washington, DC area.
Dr. Castillo-Catoni accepts new patients at the Washington, DC location at 2311 M St. NW.
Dr. Castillo-Catoni devotes meaningful time at each visit to understanding the personal and social context behind a patient's health. She looks beyond physical symptoms to consider lifestyle, habits, and psychosocial factors. This comprehensive approach informs her treatment and care coordination.
Dr. Castillo-Catoni brings 14 years of professional experience to her patients. Before joining NVFP, she spent close to nine years as a physician at Inova Medical Group.
Doctor profile last updated March 21, 2026