Clinicians affiliated with Spectrum Health United
92 clinicians on file with this group · most practice in Grand Rapids-Wyoming-Kentwood, MI · PAC ID 6305836487
42 clinicians affiliated with Spectrum Health United are in the 2024 Medicare Part B data, 34 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Family Practice (15) · Urology (11) · Physician Assistant (5) · General Surgery (3) · Nurse Practitioner (3) · Orthopedic Surgery (2) · Diagnostic Radiology (1) · Internal Medicine (1) · Sports Medicine (1)
Specialty links go to the specialty in Grand Rapids-Wyoming-Kentwood, MI.
Clinicians affiliated with Spectrum Health United, 2024
Alphabetical by last name; 42.
| Name | Specialty | City |
|---|---|---|
| Jusith A Amparo, DO | General Surgery | Greenville, MI |
| Mark W Armstrong, DO | Family Practice | Sparta, MI |
| Magdalena Babinska-Hogan, MD | Family Practice | Charlotte, NC |
| Craig S Barkley, M.D. | Urology | Clearwater, FL |
| Lee P Begrow, DO | Family Practice | Grand Rapids, MI |
| Nicholas W Blank, M.D. | Family Practice | Prudenville, MI |
| Jonathan T Bolthouse, MD | Urology | Grand Rapids, MI |
| Christopher M Brede | Urology | Grand Rapids, MI |
| Mark A Cabelin, M.D. | Urology | Gibson City, IL |
| William D Clark, D.O. | Family Practice | Rockford, MI |
| Charles T Crellin, M.D. | Orthopedic Surgery | Grand Rapids, MI |
| Ryan K Doyle, DO | Family Practice | Grand Rapids, MI |
| Justin Drobish, MD | Urology | Grand Rapids, MI |
| Anthony M Foster, M.D. | Family Practice | Byron Center, MI |
| Hayley O Gabriel, PA-C | Physician Assistant | Flint, MI |
| George M Ghareeb, MD, MBA | Urology | Grand Rapids, MI |
| Meaghan L Hagerman, PA | Physician Assistant | Grand Rapids, MI |
| Harland T Holman, M.D. | Family Practice | Grand Rapids, MI |
| Zachary D Jones, PA | Physician Assistant | Rockford, MI |
| Craig Matisoff, MD | Family Practice | Grand Rapids, MI |
| Heather J Mcgovern, M.D. | Family Practice | Sparta, MI |
| John A Merchun, MD | Diagnostic Radiology | Greenville, MI |
| Altin Miraka, DO | Urology | Saginaw, MI |
| Marty J Mortimer, PA-C | Physician Assistant | Rockford, MI |
| Nicole M Newman, FNP | Nurse Practitioner | Greenville, MI |
| Robin S O'Meara, M.D. | Family Practice | Grand Rapids, MI |
| Hector Pimentel, M.D. | Urology | Grand Rapids, MI |
| Christopher B Riedinger, M.D. | Urology | Grand Rapids, MI |
| Max Rizer, D.O. | Urology | Ludington, MI |
| Amy N Sanborn, DO | Internal Medicine | Byron Center, MI |
| Alexander M Shannon, DO | Urology | Grand Rapids, MI |
| Lauren Snyder, M.D. | Family Practice | Grand Rapids, MI |
| James A Thiel, D.O. | Orthopedic Surgery | Greenville, MI |
| Ian S Thomas, MD | Sports Medicine | Battle Creek, MI |
| Melvin M Vallette, NURSE PRACTITIONER | Nurse Practitioner | Lakeview, MI |
| Isaac J Vandam, MD | Family Practice | Grand Rapids, MI |
| Laura Van Duker, PA-C | Physician Assistant | Greenville, MI |
| Leah Vanenk, D.O. | Family Practice | Rockford, MI |
| Jenna Wood, NP | Nurse Practitioner | Byron Center, MI |
| Joel T Wood, MD | Family Practice | Grand Rapids, MI |
| David Yanoschik, M.D. | General Surgery | Greenville, MI |
| Thomas C Ziolkowski, D.O. | General Surgery | Greenville, MI |
Practice locations
Listed practice locations in Michigan.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations