Gregory Oppenhuizen, D.D.S., M.S.D.
NPI 1861615858 · Orthodontics and Dentofacial Orthopedics Dentistry · Holland, MI
Gregory Oppenhuizen, D.D.S., M.S.D. is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Holland, MI (NPI 1861615858).
Provider details
- NPI number
- 1861615858
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- D.D.S., M.S.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 13685 (MI)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-04-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Oppenhuizen's NPI number?
- Gregory Oppenhuizen's National Provider Identifier (NPI) is 1861615858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Oppenhuizen's specialty?
- Gregory Oppenhuizen is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Gregory Oppenhuizen located?
- Gregory Oppenhuizen's practice location on file with NPPES is 3300 Beeline Rd, Holland, MI 49424-9220.
- What is Gregory Oppenhuizen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Oppenhuizen is (616) 392-1435.
- Is Gregory Oppenhuizen's NPI active?
- Yes — Gregory Oppenhuizen's NPI (1861615858) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.