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Anesthesiology in Grand Rapids, Michigan

Data updated monthly · Last refresh September 2026

181 Anesthesiology providers practice in Grand Rapids, and 17% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Anesthesiology providers in Grand Rapids

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. Ronald Renzema, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Ross Tanzer, D.O.
Grand Rapids, MI · $48 in drug and device payments (2025) · (616) 774-7870
Dr. Roxanne Richards, MD
Grand Rapids, MI · $14 in drug and device payments (2025) · (616) 364-4200
Dr. Ryan Allor, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 774-7870
Dr. Samuel Lee, M.D.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Sarah Patterson, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Sara Kaliszak, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 391-1510
Dr. Scot Hendrick, DO
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Scott Schenck, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Sean Growney, DO
Grand Rapids, MI · $19 in drug and device payments (2025) · (616) 391-1510
Dr. Shanna Tenclay, MD
Grand Rapids, MI · $247 in drug and device payments (2025) · (616) 391-1510
Dr. Shelly Kahler, M.D.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Sheridan Markatos, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 267-0250
Dr. Stella Ugboma, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Stephen Bossenberry, M.D.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 752-3092
Dr. Susanne Parekh, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Thomas Mckenzie, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Thomas Villalobos, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Timothy Howell, M.D
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 752-6051
Dr. Todd Emery, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Todd Hart, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Tyler Beute, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 685-5000
Dr. Vivian Onyewuche, M.D.
Grand Rapids, MI · $17 in drug and device payments (2025) · (616) 364-4200
Dr. William Baguley, M.D.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 752-3092
Dr. William Bray, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 752-3092
Dr. William Swagman, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. William Telford, DO
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. William Wilson, M.D.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 752-6051
Dr. Will Kurtz, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 391-1510
Dr. Xuan Tran, D.O.
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200
Dr. Yashesh Savani, MD
Grand Rapids, MI · No drug or device payments recorded (2025) · (616) 364-4200

Common questions

How many Anesthesiology providers are in Grand Rapids, Michigan?

There are 181 Anesthesiology providers with active NPI records practicing in Grand Rapids, according to federal NPPES data refreshed monthly.

How many Anesthesiology providers in Grand Rapids received drug or device company payments?

31 of 181 (17%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Grand Rapids Anesthesiology 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.