Dr. Guy NavarraMD

Internal Medicine

at Functional Direct Primary Care — Newburyport, MA

About

D. from Complutense University in Madrid, Spain in 1991. He completed his Internal Medicine residency at Yale from 1994 to 1997, then pursued a Geriatrics fellowship at Harvard from 1997 to 1999. He also completed a Clinical Effectiveness course at Harvard School of Public Health. Born in Madrid, Dr. Navarra brings an international perspective shaped by rigorous academic training across two continents.

His career spans outpatient and hospital care, clinical research, and healthcare leadership. From 2005 to 2024, he served as Medical Director and Internist at Seacoast Medical Associates in Massachusetts. In 2007, he became Chief of Medicine at Anna Jaques Hospital, where he modernized clinical protocols. He holds more than 25 years of experience across internal medicine, geriatrics, and preventive care. Trilingual in English, Spanish, and French, Dr. Navarra now leads Functional Direct Primary Care in Newburyport. He is passionate about identifying root causes of chronic illness and integrating functional medicine into primary care.

Education & Training

Medical School

Complutense University, Madrid, Spain (M.D., 1991)

Residency

Internal Medicine, Yale (1994–1997)

Fellowship

Geriatrics, Harvard (1997–1999)

Additional Training

Clinical Effectiveness course, Harvard School of Public Health

Certifications

Board-Certified Physician

Languages

English, Spanish, French

Conditions Treated

diabetes
hypertension
heart disease
obesity
hormonal imbalances
fatigue
digestive issues
autoimmune conditions
depression
anxiety
menopause
perimenopause
male hypogonadism
erectile dysfunction
hair loss
geriatric conditions

Who is Dr. Navarra right for?

Dr. Navarra is a strong fit for adults seeking thorough, root-cause care for chronic conditions. Patients managing diabetes, hypertension, hormonal imbalances, or heart disease benefit from his combined internal medicine and functional medicine approach. He also serves patients navigating menopause, perimenopause, male hypogonadism, anxiety, depression, or sleep disorders. Older adults and those with complex or multi-system health concerns benefit from his geriatric training. Patients who want direct access to their physician and longer, unrushed appointments will find his practice model well-suited to their needs.

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Frequently Asked Questions

Dr. Navarra treats a broad range of chronic and acute conditions. His clinical focus includes diabetes, hypertension, heart disease, hormonal imbalances, obesity, digestive issues, autoimmune conditions, and geriatric health. He also manages depression, anxiety, sleep disorders, menopause, perimenopause, male hypogonadism, and erectile dysfunction.

Dr. Navarra integrates functional medicine principles with evidence-based allopathic care. He looks at diet, lifestyle, environment, genetics, and emotional well-being to identify root causes of illness. He uses advanced laboratory testing to assess nutrition, inflammation, gut health, immune function, and genetics.

D. from Complutense University in Madrid, Spain in 1991. He completed his Internal Medicine residency at Yale from 1994 to 1997 and a Geriatrics fellowship at Harvard from 1997 to 1999. He also completed a Clinical Effectiveness course at Harvard School of Public Health.

Yes, Dr. Navarra holds board certification as a physician. He brings over 25 years of experience across internal medicine, geriatrics, and preventive care.

Dr. Navarra speaks English, Spanish, and French fluently. His trilingual background reflects an international medical career shaped by training and practice across multiple countries.

Yes, Dr. Navarra offers hormone replacement therapy as part of his functional medicine approach. He provides bioidentical hormone replacement and manages conditions including menopause, perimenopause, and male hypogonadism.

Dr. Navarra served as Medical Director and Internist at Seacoast Medical Associates from 2005 to 2024. In 2007, he became Chief of Medicine at Anna Jaques Hospital, where he led efforts to modernize clinical protocols. His career also includes clinical research and executive management in both private and public healthcare settings.

Dr. Navarra manages depression, anxiety, and stress as part of his primary care practice. He also provides counseling and psychiatry referrals for patients who need specialized mental health support.

Yes, Dr. Navarra provides same-day access for urgent concerns. He treats acute conditions including respiratory infections, ear infections, strep throat, urinary tract infections, skin infections, and minor injuries such as cuts, lacerations, sprains, and strains.

Doctor profile last updated June 8, 2026