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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 in Detroit613 providers
Internal Medicine in Ann Arbor478 providers
Internal Medicine in Grand Rapids451 providers
Internal Medicine in Royal Oak216 providers
Internal Medicine in Southfield200 providers
Internal Medicine in Ypsilanti199 providers
Internal Medicine in Dearborn188 providers
Internal Medicine in Flint185 providers
Internal Medicine in Saginaw167 providers
Internal Medicine in Kalamazoo159 providers
Internal Medicine in Lansing133 providers
Internal Medicine in Farmington Hills121 providers
Internal Medicine in Troy116 providers
Internal Medicine in Livonia108 providers
Internal Medicine in Pontiac107 providers
Internal Medicine in Grand Blanc98 providers
Internal Medicine in Traverse City93 providers
Internal Medicine in Warren90 providers
Internal Medicine in Rochester Hills62 providers
Internal Medicine in Sterling Heights58 providers
Internal Medicine in Jackson51 providers
Internal Medicine in Saint Joseph50 providers
Internal Medicine in West Bloomfield49 providers
Internal Medicine in East Lansing49 providers

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. Edward Kalat, M. D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-8950
Dr. Elizabeth Elliot, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-0600
Dr. Elizabeth Hunter, D.O.
Traverse City, MI · $396 in drug and device payments (2025) · Telehealth · (231) 935-5000
Dr. Erica Oakley, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-2686
Dr. Ernie Fischer, MD
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. Ethan Vantil, M. D.
Traverse City, MI · $567 in drug and device payments (2025) · Telehealth · (231) 935-8950
Dr. Gail Gwizdala, M. D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-8950
Dr. Glen Henbest, DO
Traverse City, MI · $137 in drug and device payments (2025) · Telehealth · (231) 935-5710
Dr. Hal Yost, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 922-9270
Dr. Jacqueline Moore, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5800
Dr. Jacques Burgess, MD
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. James Sitek, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. James Zeratsky, MD
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. Janet Messerschmidt, D. O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 932-4903
Dr. Jeffrey Valice, DO
Traverse City, MI · $35 in drug and device payments (2025) · (231) 201-3376
Dr. Jennifer Bowerman, M.D.
Traverse City, MI · $579 in drug and device payments (2025) · Telehealth · (231) 935-8950
Dr. Jerry Suminski, M. D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-8950
Dr. Joel Knaack, DO
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. John Gorman, M.D.
Traverse City, MI · $365 in drug and device payments (2025) · (231) 935-0614
Dr. John Lorentson, MD
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. John Macnowski, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. John Zachman, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 932-4880
Dr. Jonathan Beaulac, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-0600
Dr. Joseph Lessard, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. Joseph Messina, DO
Traverse City, MI · No drug or device payments recorded (2025) · (888) 632-0545
Dr. Judith Yates, MD
Traverse City, MI · $97 in drug and device payments (2025) · (231) 935-0850
Dr. Kathleen Behler
Traverse City, MI · $421 in drug and device payments (2025) · (231) 947-1112
Dr. Kayleigh White, DO
Traverse City, MI · $265 in drug and device payments (2025) · (231) 935-5800
Dr. Kelly Covell, D.O.
Traverse City, MI · $26 in drug and device payments (2025) · (231) 935-5000
Dr. Kelsey Knaack, DO
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. Kenneth Friar, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · Telehealth · (231) 947-0673
Dr. Larissa Fisher, PA
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. Larry Mcmann, M.D., R.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-5000
Dr. Lawrence Warbasse, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 346-6800
Dr. Leslie Heimburger, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-0668
Dr. Lorraine Nall, M.D
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-8950
Dr. Marci Bultemeier, DO
Traverse City, MI · $448 in drug and device payments (2025) · Telehealth · (231) 935-0850
Dr. Mark Byland, MD
Traverse City, MI · $27 in drug and device payments (2025) · (231) 922-9270
Dr. Marvin Anderson
Traverse City, MI · No drug or device payments recorded (2025) · (231) 946-7360
Dr. Matthew Cody, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 922-9270
Dr. Matthew Salon, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-0350
Dr. Michael Salata, M.D.
Traverse City, MI · $493 in drug and device payments (2025) · (231) 947-0673
Dr. Natalie Brown, M.D., PHD
Traverse City, MI · No drug or device payments recorded (2025) · (231) 947-0673
Dr. Neesha Fournier, MD
Traverse City, MI · No drug or device payments recorded (2025) · Telehealth · (231) 935-0600
Dr. Paul Turner, MD
Traverse City, MI · No drug or device payments recorded (2025) · Telehealth · (231) 935-0600
Dr. Phillip Eisenberg, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · Telehealth · (231) 932-3000
Dr. Richard Entz, MD
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-6370
Dr. Richard Woodbury, M.D.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 947-0673
Dr. Robert Kuhn, D.O.
Traverse City, MI · No drug or device payments recorded (2025) · (231) 935-0614
Dr. Robert Pacer, MD
Traverse City, MI · No drug or device payments recorded (2025) · (231) 486-5516

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.

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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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Michigan? Get featured.