Sleep Medicine Doctors (Internal Medicine) in Michigan
Data updated monthly · Last refresh October 2026
50 Sleep Medicine (Internal Medicine) providers practice in Michigan, including 26 (52%) offering telehealth. The largest concentration is in Detroit. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
50providers
26telehealth
Detroittop city
Sleep Medicine (Internal Medicine) by city in Michigan
Choose a city to see providers there.
Where Sleep Medicine Doctors (Internal Medicine) in Michigan practice
From CMS Medicare enrollment records covering 28 of the 50 providers listed here (56%). Providers who do not bill Medicare are not included in these figures.
21%solo or small practice (under 10 clinicians)
4%mid-size group (10 to 99)
75%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Sleep Medicine Doctors (Internal Medicine) | All clinicians in group | Main city |
| Henry Ford Health System | 5 | 2,550 | Detroit |
| Spectrum Health Primary Care Partners | 4 | 2,283 | Grand Rapids |
| W. A. Foote Memorial Hospital, Inc.. | 4 | 476 | Jackson |
| Iha Health Services Corp.oration | 3 | 1,149 | Howell |
| Advantage Health/Saint Mary's Medical Group | 3 | 499 | Grand Rapids |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Sleep Medicine Doctors (Internal Medicine) affiliated |
| Wyandotte Hospital and Medical Center | Wyandotte | Nonprofit | 2 of 5 | 6 |
| Henry Ford Health Hospital | Detroit | Nonprofit | 3 of 5 | 5 |
| Spectrum Health | Grand Rapids | Nonprofit | 4 of 5 | 4 |
| Trinity Health Ann Arbor Hospital | Ann Arbor | Nonprofit | 4 of 5 | 3 |
| St Joe Mercy Hospital System Livonia | Livonia | Nonprofit | 2 of 5 | 3 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Sleep Medicine (Internal Medicine) providers in Michigan
Listed by city, largest first. 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 Dr. Satya Chaparala, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 969-6099 Dr. Maria Tovar Torres, M.D.Bingham Farms, MI · $343 in drug and device payments (2025) · Telehealth ·
(248) 757-5337 Dr. Nathan Boss, M.D.Charlevoix, MI · $1,297 in drug and device payments (2025) · Telehealth ·
(231) 547-3124 Dr. Christopher Drake, PH.D.Detroit, MI · $1,050 in drug and device payments (2025) ·
(313) 916-4455 Dr. David GessertDetroit, MI · $95 in drug and device payments (2025) · Telehealth ·
(313) 916-2600 Dr. Erick LopezDetroit, MI · $337 in drug and device payments (2025) ·
(313) 576-1000 Dr. John Haapaniemi, DODetroit, MI · No drug or device payments recorded (2025) ·
(313) 966-3075 Dr. Joshua Won, DODetroit, MI · No drug or device payments recorded (2025) · Telehealth ·
(313) 916-2006 Dr. Jovica Veljanovski, M.D.Detroit, MI · No drug or device payments recorded (2025) · Telehealth ·
(313) 916-2600 Dr. Luisa Bazan, M.D.Detroit, MI · $118 in drug and device payments (2025) · Telehealth ·
(313) 916-2421 Dr. Matthew Floyd, OMS 4Detroit, MI · $3,124 in drug and device payments (2025) · Telehealth ·
(313) 916-2600 Dr. Miriam JaziriDetroit, MI · $150 in drug and device payments (2025) · Telehealth ·
(313) 916-1888 Dr. Poonam Mishra, M.DDetroit, MI · No drug or device payments recorded (2025) ·
(313) 576-1000 Dr. Ruth Barnett, D.O.Detroit, MI · No drug or device payments recorded (2025) ·
(313) 270-4450 Dr. Thomas Piskorowski, DODetroit, MI · No drug or device payments recorded (2025) ·
(313) 966-3075 Dr. Oktai Mamedov, M.D.East Lansing, MI · $20,183 in drug and device payments (2025) · Telehealth ·
(517) 755-6888 Dr. David Shen, MDGrand Rapids, MI · No drug or device payments recorded (2025) · Telehealth ·
(616) 685-5666 Dr. Jason Coles, MDGrand Rapids, MI · $974 in drug and device payments (2025) · Telehealth ·
(616) 391-3759 Dr. Jeremy Petrous, DOGrand Rapids, MI · $1,367 in drug and device payments (2025) · Telehealth ·
(616) 391-3759 Dr. Kelly Waters, M.D.Grand Rapids, MI · $9,940 in drug and device payments (2025) · Telehealth ·
(616) 391-3759 Dr. Meghan Hill, MDGrand Rapids, MI · $325 in drug and device payments (2025) ·
(616) 391-3759 Dr. Ravichand Madala, M.D.Grand Rapids, MI · $250 in drug and device payments (2025) · Telehealth ·
(616) 391-3759 Dr. Soumya Madala, M.D.Grand Rapids, MI · No drug or device payments recorded (2025) · Telehealth ·
(616) 685-6330 Dr. Carl Smoot, DO,FCCP, DABSMIron Mountain, MI · No drug or device payments recorded (2025) ·
(906) 779-7050 Dr. Alice Doe, M.D.Kalamazoo, MI · $3,163 in drug and device payments (2025) · Telehealth ·
(269) 226-5967 Dr. Kwsai Al-rahhal, MDKalamazoo, MI · No drug or device payments recorded (2025) ·
(269) 341-8481 Dr. Robert Wittig, MDLaurium, MI · No drug or device payments recorded (2025) ·
(906) 337-6500 Dr. Conrad Kozlowski, MDMuskegon, MI · $372 in drug and device payments (2025) ·
(231) 672-6186 Dr. Philip Mataverde, D.O.Portage, MI · $871 in drug and device payments (2025) · Telehealth ·
(269) 349-9745 Dr. Emad Alatassi, M.D.Roseville, MI · $1,391 in drug and device payments (2025) · Telehealth ·
(586) 238-2060 Dr. Akashdeep Grewal, MDRoyal Oak, MI · No drug or device payments recorded (2025) ·
(248) 551-6489 Dr. Khizar HamidRoyal Oak, MI · $476 in drug and device payments (2025) ·
(248) 898-5000 Dr. Inga Sriubiene, M.D.Saint Joseph, MI · No drug or device payments recorded (2025) · Telehealth ·
(269) 408-1115 Dr. William Allen, MDSouthfield, MI · No drug or device payments recorded (2025) ·
(248) 304-0340 Dr. Yevgeniy Stefadu, M.D., PH.DSterling Hts, MI · $150 in drug and device payments (2025) · Telehealth ·
(586) 268-0100 Dr. Michel Alkhalil, MDTroy, MI · $1,176 in drug and device payments (2025) · Telehealth ·
(248) 689-1000 Dr. Allen Denys, M.D.Warren, MI · No drug or device payments recorded (2025) ·
(519) 258-0585 Dr. Avinash Desai, MDWaterford, MI · No drug or device payments recorded (2025) ·
(248) 681-7909 Dr. Saim Choudhry, DOWoodhaven, MI · $1,358 in drug and device payments (2025) · Telehealth ·
(734) 766-4446 Dr. William Katz, MDWyoming, MI · No drug or device payments recorded (2025) ·
(616) 459-3158 Dr. Mohammad Wisam Sakbani, MDYpsilanti, MI · $334 in drug and device payments (2025) · Telehealth ·
(734) 712-7688 Dr. Parvathy Nair, M.DYpsilanti, MI · No drug or device payments recorded (2025) · Telehealth ·
(734) 712-3456 Dr. Thomas Gravelyn, M.D.Ypsilanti, MI · No drug or device payments recorded (2025) · Telehealth ·
(734) 712-7688 Common questions
How many Sleep Medicine (Internal Medicine) providers are in Michigan?There are 50 Sleep Medicine (Internal Medicine) providers with active NPI records practicing in Michigan, according to federal NPPES data refreshed monthly.
Do Sleep Medicine (Internal Medicine) providers in Michigan offer telehealth?Yes. 26 of the 50 Sleep Medicine (Internal Medicine) providers in Michigan (about 52%) report offering telehealth services in CMS data.
Which cities in Michigan have the most Sleep Medicine (Internal Medicine) providers?Detroit (12), Grand Rapids (7), Ann Arbor (7) have the highest concentration of Sleep Medicine (Internal Medicine) providers in Michigan.
How many Sleep Medicine (Internal Medicine) providers in Michigan received drug or device company payments?25 of 50 Sleep Medicine (Internal Medicine) providers in Michigan (50%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles 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.
Do most Sleep Medicine Doctors (Internal Medicine) in Michigan work in independent practices or large health systems?Among 28 Sleep Medicine Doctors (Internal Medicine) in Michigan enrolled in Medicare, 21% bill through a solo or small practice with fewer than 10 clinicians, 4% through a mid-size group of 10 to 99, and 75% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Sleep Medicine Doctors (Internal Medicine) in Michigan work at?According to CMS facility affiliation records, the Michigan hospitals where the most Sleep Medicine Doctors (Internal Medicine) hold privileges are Wyandotte Hospital and Medical Center in Wyandotte; Henry Ford Health Hospital in Detroit; Spectrum Health in Grand Rapids.
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