OrganizationActive
Leonard H. Nienhuis D.C. P.C.
NPI 1619006863 · Chiropractor · Jenison, MI
Leonard H. Nienhuis D.C. P.C. is a Chiropractor organization in Jenison, MI (NPI 1619006863).
Provider details
- NPI number
- 1619006863
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Leonard Nienhuis, President(616) 457-4511
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(89/100 index)
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
7579 Main St
Jenison, MI 49428-9251
Phone: (616) 457-4511
Fax: (616) 667-1936
Street-level locationGet directions
Mailing address
7579 Main St
Jenison, MI 49428-9251
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2008-04-10
Frequently asked questions
- What is Leonard H. Nienhuis D.C. P.C.'s NPI number?
- Leonard H. Nienhuis D.C. P.C.'s National Provider Identifier (NPI) is 1619006863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leonard H. Nienhuis D.C. P.C.?
- Leonard H. Nienhuis D.C. P.C. is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Leonard H. Nienhuis D.C. P.C. located?
- Leonard H. Nienhuis D.C. P.C.'s practice location on file with NPPES is 7579 Main St, Jenison, MI 49428-9251.
- What is Leonard H. Nienhuis D.C. P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Leonard H. Nienhuis D.C. P.C. is (616) 457-4511.
- Who is the authorized official for Leonard H. Nienhuis D.C. P.C.?
- The authorized official listed on Leonard H. Nienhuis D.C. P.C.'s NPPES record is Leonard Nienhuis, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leonard H. Nienhuis D.C. P.C.'s NPI active?
- Yes — Leonard H. Nienhuis D.C. P.C.'s NPI (1619006863) is active in the NPPES registry as of the last update on 2008-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.