About
Dr. Sam Ahn studied biology at Johns Hopkins University before earning his MD at Harvard Medical School. He completed his internal medicine residency at Yale, where he first trained alongside Dr. Rebecca Parish. His clinical training took place at some of the most selective institutions in the United States.
Dr. Ahn holds dual board certification in both internal medicine and allergy and immunology. He specializes in the diagnosis and treatment of allergic and immunologic disorders. At Comprehensive Wellness, he brings that subspecialty expertise to a primary care setting.
Education & Training
Undergraduate
Johns Hopkins University, Biology
Medical School
Harvard Medical School
Residency
Internal Medicine, Yale
Certifications
Conditions Treated
Who is Dr. Ahn right for?
Dr. Ahn is well suited for adults who want a primary care physician with subspecialty depth in allergy and immunology. Patients dealing with allergic disorders, immune-related conditions, or complex diagnoses that overlap with immunologic function benefit most from his training. His background at Harvard Medical School and Yale positions him well for patients with multifaceted or hard-to-manage conditions.
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Frequently Asked Questions
Dr. Ahn specializes in internal medicine with a focused subspecialty in allergy and immunology. He diagnoses and treats the full range of allergic and immunologic disorders within a primary care setting.
Yes. Dr. Ahn holds dual board certification in both internal medicine and allergy and immunology.
Dr. Ahn earned his undergraduate degree in biology from Johns Hopkins University and his MD from Harvard Medical School. He completed his internal medicine residency at Yale, where he trained alongside Comprehensive Wellness founder Dr. Rebecca Parish.
Dr. Ahn diagnoses and treats allergic disorders and immunologic disorders. Patients with complex immune-mediated conditions benefit from his subspecialty training alongside his broad internal medicine foundation.
Yes. Dr. Ahn practices internal medicine as a primary care physician at Comprehensive Wellness. His allergy and immunology expertise supplements his general internal medicine scope.
Dr. Ahn trained alongside Dr. Rebecca Parish during his internal medicine residency at Yale. That professional relationship eventually brought him to Comprehensive Wellness in Orinda.
Doctor profile last updated June 11, 2026