IndividualActive
Mark Olthoff, MSW
NPI 1073736484 · Clinical Social Worker · Rockford, MI
Mark Olthoff, MSW is a Clinical Social Worker provider in Rockford, MI (NPI 1073736484).
Provider details
- NPI number
- 1073736484
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 6801035615 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
10075 Northland Dr Ne
Rockford, MI 49341-8067
Phone: (616) 866-0265
Fax: (616) 866-0991
Street-level locationGet directions
Mailing address
10075 Northland Dr Ne
Rockford, MI 49341-8067
Registry dates
- Enumerated
- 2007-04-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Olthoff's NPI number?
- Mark Olthoff's National Provider Identifier (NPI) is 1073736484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Olthoff's specialty?
- Mark Olthoff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Olthoff located?
- Mark Olthoff's practice location on file with NPPES is 10075 Northland Dr Ne, Rockford, MI 49341-8067.
- What is Mark Olthoff's phone number?
- The practice phone number listed in the NPPES registry for Mark Olthoff is (616) 866-0265.
- Is Mark Olthoff's NPI active?
- Yes — Mark Olthoff's NPI (1073736484) 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.