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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. Robert Lefevre, M.D.
Kalamazoo, MI · $19 in drug and device payments (2025) · (269) 381-5060
Dr. Rockelle Rogers, MD
Kalamazoo, MI · $182 in drug and device payments (2025) · Telehealth · (269) 349-2641
Dr. Ross Driscoll, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · Telehealth · (269) 337-6300
Dr. Russell Paloian, D.O.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-8481
Dr. Saadat Abbasi, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 375-1222
Dr. Safi Afzal
Kalamazoo, MI · $199 in drug and device payments (2025) · (269) 341-8481
Dr. Sally Vansweden, MD
Kalamazoo, MI · $214 in drug and device payments (2025) · (269) 341-8481
Dr. Samad Mohammad
Kalamazoo, MI · $78 in drug and device payments (2025) · (269) 341-8481
Dr. Sara Custodio, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · Telehealth · (269) 544-3270
Dr. Sarah Hughes, DO
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-8481
Dr. Scott Timmer, MD
Kalamazoo, MI · $83 in drug and device payments (2025) · (269) 341-8481
Dr. Shawkee Aboualayoui, D.O
Kalamazoo, MI · $34 in drug and device payments (2025) · (269) 341-8481
Dr. Sidra Shayan, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-6056
Dr. Sophia Kolyvas
Kalamazoo, MI · $257 in drug and device payments (2025) · (269) 341-8481
Dr. Stanislav Tinigin, DO
Kalamazoo, MI · $171 in drug and device payments (2025) · (269) 341-8481
Dr. Stephen Dallas, M.D., M.A.
Kalamazoo, MI · $176 in drug and device payments (2025) · (269) 383-6789
Dr. Stephen Mcginnis, DO
Kalamazoo, MI · $41 in drug and device payments (2025) · (269) 341-8481
Dr. Steven Shelden, D.O,
Kalamazoo, MI · $468 in drug and device payments (2025) · (269) 341-8481
Dr. Susan Bannon, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-6300
Dr. Susan Carlson, M.D.
Kalamazoo, MI · $19 in drug and device payments (2025) · (269) 381-5060
Dr. Syed Ibaad Ali, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-4600
Dr. Tahir Alvi, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 353-4441
Dr. Talha Syed
Kalamazoo, MI · $93 in drug and device payments (2025) · (269) 341-8481
Dr. Terry Wortz
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 226-5290
Dr. Theotonius Gomes, DO
Kalamazoo, MI · $119 in drug and device payments (2025) · (269) 337-6345
Dr. Thomas Melgar, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-6345
Dr. Timothy Schubert, DO
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 226-5165
Dr. Todd Bennett, DO
Kalamazoo, MI · $415 in drug and device payments (2025) · (269) 341-8481
Dr. Tracy Pierce, MD
Kalamazoo, MI · $67 in drug and device payments (2025) · (269) 337-6345
Dr. Usman Saeed, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-4400
Dr. Vbr Datta Amara Sai Mitnala, M.D
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 226-5165
Dr. Vinutha Atmakur, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-4400
Dr. Xiaogang Zhang, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 381-5060
Dr. Zafir Zohab Hussain Khan, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-6056
Dr. Carol Pisarello, MD
Kentwood, MI · $86 in drug and device payments (2025) · (616) 391-5600
Dr. Derek Olson, DO
Kentwood, MI · No drug or device payments recorded (2025) · Telehealth · (616) 391-5600
Dr. Elizabeth Bustamante, MD
Kentwood, MI · No drug or device payments recorded (2025) · (616) 391-5600
Dr. James Geissler, MD
Kentwood, MI · No drug or device payments recorded (2025) · (616) 391-5600
Dr. Kevin Mccormick, MD
Kentwood, MI · No drug or device payments recorded (2025) · (616) 391-5600
Dr. Marcus Beversluis, MD
Kentwood, MI · No drug or device payments recorded (2025) · (616) 391-5600
Dr. Michael Stout, M.D.
Kentwood, MI · No drug or device payments recorded (2025) · Telehealth · (616) 391-5600
Dr. Pragyan Patro, MD
Kentwood, MI · No drug or device payments recorded (2025) · (616) 391-5600
Dr. Thomas Brink, MD
Kentwood, MI · No drug or device payments recorded (2025) · (616) 391-5600
Dr. Gregory Lambourne, M.D.
Lake City, MI · No drug or device payments recorded (2025) · (231) 775-4841
Dr. Amy Mccarthy, M.D.
Lake Orion, MI · No drug or device payments recorded (2025) · Telehealth · (248) 693-5700
Dr. Kathryn Rice, M.D.
Lake Orion, MI · $66 in drug and device payments (2025) · (248) 693-5700
Dr. Theresa Larsen, M.D.
Lake Orion, MI · No drug or device payments recorded (2025) · (248) 693-5700
Dr. Timothy Dickson, M.D.
Lake Orion, MI · No drug or device payments recorded (2025) · Telehealth · (248) 693-5700
Dr. Aaron Bohrer, D.O.
Lansing, MI · $1,199 in drug and device payments (2025) · (517) 975-8910
Dr. Aaron Nichols, MD
Lansing, MI · $215 in drug and device payments (2025) · (517) 374-7600

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.

Related reading on HealthcareDiscovery.AI

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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.