William Bonzelaar, M.D.032354
NPI 1053374165 · Family Medicine Physician · Holland, MI
William Bonzelaar, M.D.032354 is a Family Medicine Physician provider in Holland, MI (NPI 1053374165).
Provider details
- NPI number
- 1053374165
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.032354
- Sex
- Male
- Sole proprietor
- No
- License
- WB049408 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-10
- Last updated
- 2015-07-29
Frequently asked questions
- What is William Bonzelaar's NPI number?
- William Bonzelaar's National Provider Identifier (NPI) is 1053374165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bonzelaar's specialty?
- William Bonzelaar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Bonzelaar located?
- William Bonzelaar's practice location on file with NPPES is 904 S Washington Ave, Holland, MI 49423-7724.
- What is William Bonzelaar's phone number?
- The practice phone number listed in the NPPES registry for William Bonzelaar is (616) 392-8035.
- Is William Bonzelaar's NPI active?
- Yes — William Bonzelaar's NPI (1053374165) is active in the NPPES registry as of the last update on 2015-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.