Sleep Medicine (Internal Medicine) in Ann Arbor, Michigan
Data updated monthly · Last refresh September 2026
7 Sleep Medicine (Internal Medicine) providers practice in Ann Arbor. Listings are drawn from federal public records and are not endorsements.
Sleep Medicine (Internal Medicine) providers in Ann Arbor
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Bradley Graves, MDAnn Arbor, MI · $18 in drug and device payments (2025) ·
(734) 936-4000 Dr. Eby Thekkedath, DOAnn Arbor, MI · No drug or device payments recorded (2025) ·
(734) 936-9068 Dr. Gary Richardson, M.D.Ann Arbor, MI · No drug or device payments recorded (2025) ·
(734) 730-6753 Dr. Naia Mcmillan-castanaresAnn Arbor, MI · $568 in drug and device payments (2025) ·
(734) 936-9068 Dr. Qurratul Shamim-uzzaman, MDAnn Arbor, MI · No drug or device payments recorded (2025) ·
(734) 936-9068 Dr. Tri Nguyen, DOAnn Arbor, MI · No drug or device payments recorded (2025) ·
(734) 764-3186 Dr. Xinhang Tu, BMAnn Arbor, MI · No drug or device payments recorded (2025) · Telehealth ·
(734) 936-4000 Common questions
How many Sleep Medicine (Internal Medicine) providers are in Ann Arbor, Michigan?There are 7 Sleep Medicine (Internal Medicine) providers with active NPI records practicing in Ann Arbor, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Ann Arbor Sleep Medicine (Internal Medicine) across Michigan
