Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Barry Bonzelaar, MD032354

Individual provider Family Medicine Physician · NPI 1053374165

William Barry Bonzelaar, MD032354 is a Family Medicine Physician in Holland, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006

Practice location Address checks out

904 S Washington Ave Ste 210
Holland, MI 49423-7724
Phone: (616) 392-8035
Fax: (616) 392-7404
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence WB049408 (MI)

Record details

NPI number1053374165
Entity typeIndividual (Type 1)
GenderMale
Credentials MD032354
Sole proprietorNo
NPI enumeratedApril 10, 2006
Last updated in NPPESJuly 29, 2015

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