Robert William Wierenga, MD
Emergency Medicine Physician · Kalamazoo, MI
Robert William Wierenga, MD is an emergency medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1881856888, issued on Jun 30, 2008. Check the license (Michigan 4301092580, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Robert William Wierenga
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 4301092580 MI
Self-reported in NPPES; status is on the state search - Practice location
- 125 S Kalamazoo Mall Ste 204, Kalamazoo, MI 49007
- Phone
- (269) 343-3900
- Enumerated
- Jun 30, 2008
- Record last updated
- Mar 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181221001676); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 125 S Kalamazoo Mall Ste 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katelyn Amos, PA-CEmergency Medical Services (Emergency Medicine) Physician1063994424
- Sherrie Bencik, MDEmergency Medicine Physician1952539462
- Brett Birch, PA-CPhysician Assistant1780167957
- Matthew Brindley, MDEmergency Medicine Physician1427259035
- Nicole CarppEmergency Medicine Physician1003377185
- Nicholas Dyga, MDEmergency Medicine Physician1023576006
Verify Robert William Wierenga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301092580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average emergency medicine physician in 2024
31 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- IU Health Medical Group LLCIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert William Wierenga among 3,083 emergency medicine physician records in Michigan
Robert William Wierenga, MD is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 33% of them.
- NPI issued2008 · 33% of these records are older, 62% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2013 among the 1,931 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 emergency medicine physician records list a practice address in Kalamazoo
They are 154 of the 6,553 NPPES records with a practice address in Kalamazoo, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Kalamazoo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sherrie Bencik, MDKalamazoo, MI 490071952539462
- Matthew Brindley, MDKalamazoo, MI 490071427259035
- Jonathan Dadurian, MDKalamazoo, MI 490071023454832
- Brian Devetter, MDKalamazoo, MI 490071265668420
- Joseph Keithley, MDKalamazoo, MI 490071821050055
- Jeremiah Ledesma, MDKalamazoo, MI 490071568663185
- Gregory Lendzion, D.O.Kalamazoo, MI 490071104069491
- Jessica McCoy, MDKalamazoo, MI 490071689894529
Common questions
What is Robert William Wierenga, MD's NPI number?
Robert William Wierenga, MD's National Provider Identifier (NPI) is 1881856888, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Robert William Wierenga, MD located?
The NPPES record lists a practice address at 125 S Kalamazoo Mall Ste 204, Kalamazoo, MI, 49007. Phone: (269) 343-3900. Providers update this record themselves, so call before visiting.
How can I verify Robert William Wierenga, MD's license?
NPPES lists Michigan license number 4301092580, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert William Wierenga, MD prescribe under Medicare Part D?
In 2024, Robert William Wierenga, MD had 31 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.