About
Dr. Johanna Klein has practiced internal medicine in the Boston area for over 25 years. She graduated from Boston University School of Medicine as an Alpha Omega Alpha honoree and completed her residency at Beth Israel Hospital and Harvard Medical School. She holds board certification in Internal Medicine and currently serves as an instructor at Harvard Medical School.
Dr. Klein brings deep experience in both hospital and outpatient internal medicine to every patient encounter. Boston Magazine named her a Top Doc in Internal Medicine in 2017, 2019, 2020, 2021, 2022, and 2023. She holds membership in the American College of Physicians, the American Medical Association, and the Massachusetts Medical Society. Her clinical interests include infectious disease, immunology, vaccine science, and evidence-based medicine. Patients and colleagues alike describe her bedside manner as kind and caring. A long-time Brookline resident, she founded Amory Medical to bring relationship-driven primary care to her own community.
Education & Training
Medical School
Boston University School of Medicine (Alpha Omega Alpha graduate)
Residency
Internal Medicine Residency, Beth Israel Hospital and Harvard Medical School
Additional Training
Instructor, Harvard Medical School
Certifications
Conditions Treated
Who is Dr. Klein right for?
Dr. Klein is an excellent fit for adults who want a long-term primary care relationship with an experienced internist. Patients managing chronic conditions like diabetes, cardiovascular risk, or immunological concerns benefit from her deep clinical background. She also serves patients focused on preventive health, cancer screening, and evidence-based wellness planning. Adults seeking a physician who combines academic rigor with genuine attentiveness will find her approach well suited to their needs.
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Frequently Asked Questions
Dr. Klein treats a broad range of adult conditions, including diabetes, cardiovascular disease, high cholesterol, infectious disease, and immunological concerns. She also provides preventive care, cancer screenings, mental health support, and chronic disease management. Her clinical interests in vaccine science and evidence-based medicine inform her approach across all areas.
Yes, Dr. Klein holds board certification in Internal Medicine. She also completed her residency at Beth Israel Hospital and Harvard Medical School and currently serves as an instructor at Harvard Medical School.
Dr. Klein has practiced internal medicine in the Boston area for over 25 years. She brings experience from both hospital and outpatient settings to every patient visit.
Yes, Boston Magazine named Dr. Klein a Top Doc in Internal Medicine in 2017, 2019, 2020, 2021, 2022, and 2023. She also holds membership in the American College of Physicians, the American Medical Association, and the Massachusetts Medical Society.
Dr. Klein's clinical interests include infectious disease, immunology, vaccine science, and evidence-based medicine. She applies this expertise to preventive care, chronic disease management, and comprehensive wellness planning for her patients.
Yes, Dr. Klein provides both women's health and men's health services. Her care includes contraceptive and family planning, screenings, nutritional counseling, and weight management, tailored to each patient's needs.
Yes, Dr. Klein addresses mental health as part of her comprehensive primary care approach. She also coordinates specialty referrals when patients need additional support beyond primary care.
Dr. Klein graduated from Boston University School of Medicine as an Alpha Omega Alpha honoree. She then completed her residency at Beth Israel Hospital and Harvard Medical School.
Doctor profile last updated March 21, 2026