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Medical Toxicologists (Emergency Medicine) in Michigan

Data updated monthly · Last refresh October 2026

6 Medical Toxicology (Emergency Medicine) providers practice in Michigan, including 1 (17%) offering telehealth. The largest concentration is in Grand Rapids. 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.

6providers
1telehealth
Grand Rapidstop city

Medical Toxicology (Emergency Medicine) by city in Michigan

Choose a city to see providers there.

Medical Toxicology (Emergency Medicine) in Grand Rapids4 providers
Medical Toxicology (Emergency Medicine) in Detroit2 providers

Where Medical Toxicologists (Emergency Medicine) in Michigan practice

From CMS Medicare enrollment records covering 3 of the 6 providers listed here (50%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Medical Toxicologists (Emergency Medicine)All clinicians in groupMain city
Ecs Western Michigan PC2202Grand Rapids
Visionary Medical Services, PC263Grand Rapids

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingMedical Toxicologists (Emergency Medicine) affiliated
Spectrum HealthGrand RapidsNonprofit4 of 53

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Medical Toxicology (Emergency 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. Cynthia Aaron, M.D.
Detroit, MI · No drug or device payments recorded (2025) · (313) 993-8791
Dr. Lydia Baltarowich, M.D.
Detroit, MI · No drug or device payments recorded (2025) · (313) 916-2436
Dr. Bernard Eisenga, M.D.
Grand Rapids, MI · No drug or device payments recorded (2025) · Telehealth · (616) 391-3777
Dr. Bradley Riley, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 391-1680
Dr. Bryan Judge, MD
Grand Rapids, MI · $15 in drug and device payments (2025) · (616) 391-1680
Dr. Daniel Overbeek, M.D.
Grand Rapids, MI · $21 in drug and device payments (2025) · (616) 391-1774

Common questions

How many Medical Toxicology (Emergency Medicine) providers are in Michigan?

There are 6 Medical Toxicology (Emergency Medicine) providers with active NPI records practicing in Michigan, according to federal NPPES data refreshed monthly.

Do Medical Toxicology (Emergency Medicine) providers in Michigan offer telehealth?

Yes. 1 of the 6 Medical Toxicology (Emergency Medicine) providers in Michigan (about 17%) report offering telehealth services in CMS data.

Which cities in Michigan have the most Medical Toxicology (Emergency Medicine) providers?

Grand Rapids (4), Detroit (2) have the highest concentration of Medical Toxicology (Emergency Medicine) providers in Michigan.

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.

Which hospitals do Medical Toxicologists (Emergency Medicine) in Michigan work at?

According to CMS facility affiliation records, the Michigan hospitals where the most Medical Toxicologists (Emergency Medicine) hold privileges are Spectrum Health in Grand Rapids.

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Related

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 Medical Toxicology (Emergency Medicine) in Michigan? Get featured.