HealthcareDiscovery.AI / Doctors / Michigan / Kalamazoo / Internal Medicine

Internal Medicine in Kalamazoo, Michigan

Data updated monthly · Last refresh September 2026

159 Internal Medicine providers practice in Kalamazoo, and 46% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Kalamazoo

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. Hussein Akl, MD
Kalamazoo, MI · $858 in drug and device payments (2025) · (269) 341-8481
Dr. Jagadish Hegde, MD
Kalamazoo, MI · $36 in drug and device payments (2025) · (269) 341-8481
Dr. Jahnavi Mithyantha, MD
Kalamazoo, MI · $74 in drug and device payments (2025) · (269) 341-8481
Dr. James Carter, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-8400
Dr. James Mclachlan, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-7100
Dr. James Purtell, MD
Kalamazoo, MI · $211 in drug and device payments (2025) · (269) 286-7170
Dr. James Schnabel, MD
Kalamazoo, MI · $72 in drug and device payments (2025) · (269) 341-8481
Dr. James Vanderlugt, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 276-8800
Dr. Janie Katarsky, DO
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-4400
Dr. Jennifer Driscoll, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 488-8672
Dr. Jennifer Newcastle, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 544-3276
Dr. Jennifer Philburn, DO
Kalamazoo, MI · $29 in drug and device payments (2025) · (269) 341-8481
Dr. Joanne Baker, DO
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-6300
Dr. Johnathan Nguyen, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-4400
Dr. John Cerovski, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 345-8626
Dr. John Lawlor, M.D.
Kalamazoo, MI · $19 in drug and device payments (2025) · Telehealth · (269) 381-5060
Dr. Jonathan Epstein, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 387-4267
Dr. Jose Angelo De Leon, MD
Kalamazoo, MI · $251 in drug and device payments (2025) · (269) 341-8471
Dr. Joseph D'ambrosio, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-6345
Dr. Karen Alcaraz, M.D.
Kalamazoo, MI · $127 in drug and device payments (2025) · (269) 341-8481
Dr. Karthik Vijayaraghavan, MD
Kalamazoo, MI · $109 in drug and device payments (2025) · (269) 341-8481
Dr. Katherine Bolton, DO
Kalamazoo, MI · No drug or device payments recorded (2025) · Telehealth · (269) 544-3270
Dr. Kathryn Grossman, MD
Kalamazoo, MI · $14 in drug and device payments (2025) · (269) 341-8481
Dr. Kayla Grooters, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (419) 721-2065
Dr. Keith Bouffard, DO
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-6056
Dr. Kevin Kavanaugh, M.D.
Kalamazoo, MI · $19 in drug and device payments (2025) · (269) 337-6300
Dr. Lawrence Abramson, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-8400
Dr. Leonard Oneill, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-8822
Dr. Loren Russcher, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 343-5600
Dr. Luis Ortiz, MD
Kalamazoo, MI · $97 in drug and device payments (2025) · (269) 544-3276
Dr. Lukasz Niec, MD
Kalamazoo, MI · $326 in drug and device payments (2025) · (269) 341-6056
Dr. Luke Russell, DO
Kalamazoo, MI · $17 in drug and device payments (2025) · (269) 341-8481
Dr. Mailvaganam Sridharan, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 226-5165
Dr. Mandeep Sidhu
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 226-7000
Dr. Manish Sharma, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 341-8481
Dr. Marcos Madeiro, MD
Kalamazoo, MI · $420 in drug and device payments (2025) · (269) 341-8481
Dr. Margaret Maciorowski
Kalamazoo, MI · $40 in drug and device payments (2025) · (269) 341-8481
Dr. Marie Overbeck, MD
Kalamazoo, MI · $472 in drug and device payments (2025) · (269) 341-8481
Dr. Marilyn Terranella, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 657-4407
Dr. Marium Rehman, M.D.
Kalamazoo, MI · $54 in drug and device payments (2025) · (269) 337-6019
Dr. Mark Brown, MD
Kalamazoo, MI · $18 in drug and device payments (2025) · Telehealth · (269) 694-3001
Dr. Mark Loehrke, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-6300
Dr. Mark Schauer, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 337-6300
Dr. Matthew Kelly, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 381-5060
Dr. Matthew Ling, MD
Kalamazoo, MI · No drug or device payments recorded (2025) · Telehealth · (269) 544-3270
Dr. Melissa Davidson, M.D.
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 488-8672
Dr. Michael Crooks, M.D.
Kalamazoo, MI · $33 in drug and device payments (2025) · Telehealth · (269) 381-5060
Dr. Michael Terrio, DO
Kalamazoo, MI · No drug or device payments recorded (2025) · (269) 544-3270
Dr. Michael Valitutto, DO
Kalamazoo, MI · $309,471 in drug and device payments (2025) · Telehealth · (269) 226-8321
Dr. Mirjana Stancic, MD
Kalamazoo, MI · $16 in drug and device payments (2025) · (269) 341-8481

Conditions Internal Medicine providers in Kalamazoo, 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 Kalamazoo, Michigan?

There are 159 Internal Medicine providers with active NPI records practicing in Kalamazoo, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Kalamazoo received drug or device company payments?

73 of 159 (46%) 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 Kalamazoo treat?

Internal Medicine providers in Kalamazoo 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 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 Kalamazoo Internal Medicine across Michigan

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.