NPPES file of Aug 9, 2026

Carl Wierks, M.D.

Sports Medicine (Orthopaedic Surgery) Physician · Grand Rapids, MI

Carl Wierks, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Grand Rapids, Michigan, and NPI 1215075106, issued on Feb 2, 2007. Check the license (Michigan 4301096643, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215075106
Name
Carl Wierks
Credential
M.D.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
4301096643 MI
Self-reported in NPPES; status is on the state search
Practice location
2144 E Paris Ave SE Ste 240, Grand Rapids, MI 49546
Phone
(616) 949-8945
Enumerated
Feb 2, 2007
Record last updated
Jun 12, 2023
Fax
(616) 949-1115
Medicare enrollment
Enrolled (PECOS I20110127000155); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2144 E Paris Ave SE Ste 240

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karl Roberts, M.D.Orthopaedic Surgery Physician1508827049
  2. Kevin Vandokkumburg, PA-CSurgical Physician Assistant1134514490
  3. Thomas Wenzlick, MDOrthopaedic Surgery Physician1740700459
  4. Patrick Zietz, MDOrthopaedic Surgery Physician1750396412

Verify Carl Wierks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301096643
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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61% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024

113 Medicare Part D claims for 70 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Carl Wierks113
  2. Specialty average288

Most prescribed

  1. Celecoxib45 claims
  2. Amoxicillin37 claims
  3. Meloxicam12 claims
  4. Methylprednisolone11 claims

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.

Industry payments in 2024: $934.81

6 payments; by number, the most common kind was royalty or license; the largest payer was Arthrex, Inc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carl Wierks$935
  2. Specialty average$19,779

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Center For Physical Rehabilitation And Therapy LPGrand Rapids, MI
  2. Center For Physical Rehabilitation IncGrand Rapids, MI
  3. Western Michigan Bone And Joint Surgeons PCGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in Michigan

There are 58 sports medicine (orthopaedic surgery) physician records in Michigan.

Other sports medicine (orthopaedic surgery) physician records in Michigan

  1. Kristopher Aalderink, M.D.Ypsilanti, MI1073721437
  2. Olusanjo Adeoye, MD, MBAGrand Rapids, MI1477716348
  3. Andrew Assenmacher, M.D.Monroe, MI1578791240
  4. Maher Bahu, M.D.Pontiac, MI1992970313
  5. Brian Borden, MDYpsilanti, MI1083615488
  6. Michael Brager, M.D.Livonia, MI1164497194
  7. Christopher Bush, M.D.West Bloomfield, MI1073923579
  8. Melissa Deniel, M.D.Big Rapids, MI1821026667
  9. Douglas Dietzel, D.O.East Lansing, MI1912934761
  10. Joshua Goethals, DOLansing, MI1366963001

Common questions

What is Carl Wierks, M.D.'s NPI number?

Carl Wierks, M.D.'s National Provider Identifier (NPI) is 1215075106, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Carl Wierks, M.D. located?

The NPPES record lists a practice address at 2144 E Paris Ave SE Ste 240, Grand Rapids, MI, 49546. Phone: (616) 949-8945. Providers update this record themselves, so call before visiting.

How can I verify Carl Wierks, M.D.'s license?

NPPES lists Michigan license number 4301096643, 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 Carl Wierks, M.D. prescribe under Medicare Part D?

In 2024, Carl Wierks, M.D. had 113 Medicare Part D claims for 70 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. 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.