NPPES file of Aug 9, 2026

William Barry Bonzelaar, M.D.032354

Family Medicine Physician · Holland, MI

William Barry Bonzelaar, M.D.032354 is a family medicine physician with a practice address in Holland, Michigan, and NPI 1053374165, issued on Apr 10, 2006. Check the license (Michigan WB049408, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1053374165
Name
William Barry Bonzelaar
Credential
M.D.032354
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
WB049408 MI
Self-reported in NPPES; status is on the state search
Practice location
904 S Washington Ave, Holland, MI 49423
Phone
(616) 392-8035
Enumerated
Apr 10, 2006
Record last updated
Jul 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(616) 392-7404
Medicaid ID
3325725 10 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 904 S Washington Ave

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

  1. Russell Dykstra, M.D.Family Medicine Physician1225091333
  2. Karen Foulds, M.D.Family Medicine Physician1114980224
  3. Francois Harton, DPMPodiatrist1508843145
  4. Douglas Maguire, DPMPodiatrist1780661314
  5. Jeffrey Muldoon, D.P.M.Foot & Ankle Surgery Podiatrist1720460629
  6. Richard Seiler, DPMPodiatrist1699752238

Verify William Barry Bonzelaar 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 WB049408    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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53 family medicine physician records list a practice address in Holland

They are 53 of the 2,124 NPPES records with a practice address in Holland, and 6,013 family medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 53 in Holland → All 6,013 in Michigan → Every provider in Holland →

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is William Barry Bonzelaar, M.D.032354's NPI number?

William Barry Bonzelaar, M.D.032354's National Provider Identifier (NPI) is 1053374165, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Barry Bonzelaar, M.D.032354 located?

The NPPES record lists a practice address at 904 S Washington Ave, Holland, MI, 49423. Phone: (616) 392-8035. Providers update this record themselves, so call before visiting.

How can I verify William Barry Bonzelaar, M.D.032354's license?

NPPES lists Michigan license number WB049408, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.