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

Internal Medicine in Portage, Michigan

Data updated monthly · Last refresh September 2026

16 Internal Medicine providers practice in Portage. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Portage

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. Amanda Henry, DO
Portage, MI · $167 in drug and device payments (2025) · (269) 762-4120
Dr. Audberto Antonini, M.D.
Portage, MI · No drug or device payments recorded (2025) · (269) 226-8253
Dr. Deborah Esteves, M.D.
Portage, MI · No drug or device payments recorded (2025) · (269) 324-8670
Dr. Diaa Aldin Elfaki, M.D.
Portage, MI · No drug or device payments recorded (2025) · (269) 349-8386
Dr. Heidi Griggs, DO
Portage, MI · $18 in drug and device payments (2025) · Telehealth · (269) 324-4141
Dr. Jaroslaw Siwik, MD
Portage, MI · No drug or device payments recorded (2025) · Telehealth · (269) 324-4141
Dr. Jeffrey Coppinger, MD
Portage, MI · $18 in drug and device payments (2025) · Telehealth · (269) 324-4141
Dr. John Bradtke, MD
Portage, MI · $25 in drug and device payments (2025) · (269) 321-7120
Dr. Kevin Kelly, MD
Portage, MI · No drug or device payments recorded (2025) · (269) 324-9162
Dr. Madhu Batchu, M.D.
Portage, MI · $18 in drug and device payments (2025) · Telehealth · (269) 324-4141
Dr. Nicholas Smith, DO
Portage, MI · No drug or device payments recorded (2025) · (269) 280-9525
Dr. Robert Soltysiak, D.O.
Portage, MI · No drug or device payments recorded (2025) · (269) 567-9806
Dr. Satish Salvi, MD
Portage, MI · No drug or device payments recorded (2025) · (269) 349-8346
Dr. Shirani Wijay-samarasinha, M.D.
Portage, MI · No drug or device payments recorded (2025) · (269) 343-4700
Dr. Simon Hoogendyk, M.D.
Portage, MI · No drug or device payments recorded (2025) · (269) 342-9550
Dr. Todd White, DO
Portage, MI · $343 in drug and device payments (2025) · Telehealth · (269) 324-4141

Conditions Internal Medicine providers in Portage, 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 Portage, Michigan?

There are 16 Internal Medicine providers with active NPI records practicing in Portage, according to federal NPPES data refreshed monthly.

What conditions do Internal Medicine providers in Portage treat?

Internal Medicine providers in Portage 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 Portage 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.