Internal Medicine Doctors in Michigan
Data updated monthly · Last refresh October 2026
5,708 Internal Medicine providers practice in Michigan, including 1,100 (19%) 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.
5,708providers
1,100telehealth
Detroittop city
Internal Medicine by city in Michigan
Choose a city to see providers there.
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. David Cavanagh, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Eric Kane, DOBattle Creek, MI · $21 in drug and device payments (2025) · Telehealth ·
(269) 792-2249 Dr. Gunjana Bhandari, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 245-5780 Dr. Ireneo Diaz, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Jasmine Dorsey, M.DBattle Creek, MI · $17 in drug and device payments (2025) ·
(269) 245-8393 Dr. Julie Rehfeldt, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Kenneth Lombardi, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 964-6262 Dr. Ketan Shah, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Kimberly Umhoefer, DOBattle Creek, MI · $42 in drug and device payments (2025) · Telehealth ·
(269) 979-6333 Dr. Kim Gloystein, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 969-6123 Dr. Mehmet Ismailoglu, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 274-3142 Dr. Mohammed Mohiuddin, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Montie Gould, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 969-6003 Dr. Neena Mandavia, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Paul Bornemann, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Peter Goodman, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Ravi Chadalavada, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Rebecca Schreiner, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 441-9302 Dr. Ritha NajiBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Robert Forsythe, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Samir Bateriwala, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Shanti Tanna, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 966-5600 Dr. Stephen Ames, DOBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 979-6333 Dr. Suceil Sivsammye, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 965-8866 Dr. Sudhir Desai, MDBattle Creek, MI · No drug or device payments recorded (2025) ·
(269) 969-6254 Dr. Thomas Ignaczak, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 969-6123 Dr. Troy Pascoe, M.D.Battle Creek, MI · $102 in drug and device payments (2025) ·
(269) 245-8560 Dr. William Bogan, M.D.Battle Creek, MI · No drug or device payments recorded (2025) ·
(269) 962-9515 Dr. William Workman, D.O.Battle Creek, MI · $40 in drug and device payments (2025) · Telehealth ·
(269) 979-6333 Dr. Younho Chung, M.D.Battle Creek, MI · No drug or device payments recorded (2025) · Telehealth ·
(269) 969-6060 Dr. Zachary BasslerBattle Creek, MI · $35 in drug and device payments (2025) ·
(269) 962-0441 Dr. Adrita Nourin Mou, MDBay City, MI · No drug or device payments recorded (2025) ·
(989) 894-3000 Dr. Cristian Boboc, M.D.Bay City, MI · No drug or device payments recorded (2025) ·
(989) 894-3000 Dr. Faizan Rasool, M.D.Bay City, MI · No drug or device payments recorded (2025) ·
(989) 667-3400 Dr. Gary Dardas, MDBay City, MI · No drug or device payments recorded (2025) ·
(989) 893-5541 Dr. James Guigelaar, MDBay City, MI · No drug or device payments recorded (2025) ·
(989) 893-9705 Dr. Jeffrey Potts, MDBay City, MI · $329 in drug and device payments (2025) ·
(989) 439-1235 Dr. Jinu Mathew, MDBay City, MI · No drug or device payments recorded (2025) ·
(989) 667-3400 Dr. John Way, M.D.Bay City, MI · No drug or device payments recorded (2025) ·
(989) 894-6460 Dr. Lakshmi Arekapudi, M.D.Bay City, MI · $793 in drug and device payments (2025) · Telehealth ·
(989) 686-2800 Dr. Mark Ginther, MDBay City, MI · $16 in drug and device payments (2025) ·
(989) 671-5775 Dr. Marvin Keeling, M.D.Bay City, MI · No drug or device payments recorded (2025) ·
(989) 667-8740 Dr. Matthew Zamora, PA-CBay City, MI · $180 in drug and device payments (2025) · Telehealth ·
(989) 686-8100 Dr. Minnie Martin, M.D.Bay City, MI · No drug or device payments recorded (2025) ·
(989) 667-8740 Dr. Mohamed Abuharaz, M.D.Bay City, MI · $920 in drug and device payments (2025) ·
(989) 686-8100 Dr. Mohamed Ali, M.D.Bay City, MI · $226 in drug and device payments (2025) · Telehealth ·
(989) 686-8100 Dr. Naeem Ahmed, M.D.Bay City, MI · $656 in drug and device payments (2025) · Telehealth ·
(989) 686-2800 Dr. Olivia Drier, PA-CBay City, MI · $87 in drug and device payments (2025) ·
(989) 513-9705 Dr. Praveen Kamaraju, M.D.Bay City, MI · $884 in drug and device payments (2025) ·
(989) 686-2800 Dr. Rajesh Dandamudi, M.D.Bay City, MI · $17 in drug and device payments (2025) · Telehealth ·
(989) 893-5541 Conditions Internal Medicine providers in Michigan commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Michigan?There are 5,708 Internal Medicine providers with active NPI records practicing in Michigan, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Michigan offer telehealth?Yes. 1,100 of the 5,708 Internal Medicine providers in Michigan (about 19%) report offering telehealth services in CMS data.
Which cities in Michigan have the most Internal Medicine providers?Detroit (613), Ann Arbor (478), Grand Rapids (451) have the highest concentration of Internal Medicine providers in Michigan.
How many Internal Medicine providers in Michigan received drug or device company payments?2,043 of 5,708 Internal Medicine providers in Michigan (36%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Michigan treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Internal Medicine Doctors in Michigan work in independent practices or large health systems?Among 3,119 Internal Medicine Doctors in Michigan enrolled in Medicare, 21% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 62% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Michigan work at?According to CMS facility affiliation records, the Michigan hospitals where the most Internal Medicine Doctors hold privileges are Beaumont Hospital Royal Oak in Royal Oak; Henry Ford Health Hospital in Detroit; University of Michigan Health System in Ann Arbor.
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