NPI Portal NPI Lookup & Verification

Mr. Mark E Olsen

Mr. Mark E Olsen is a Mental Health Counselor provider (Counselor) practicing in Spring Lake, MI, registered in the NPPES registry with NPI 1154152999 since 2024.

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NPI 1154152999
Entity type Individual (Type 1)
Name Mr. Mark E Olsen
Sex Male
Practice address 17224 VAN WAGONER RD, Spring Lake, MI, 49456
Phone 6162962130
Enumeration date 2024-08-13
Last updated in NPPES 2025-02-20

Taxonomy & licenses

Taxonomy code Specialty Primary License State
101YM0800X Mental Health Counselor Secondary
101YM0800X Mental Health Counselor Primary 6451023935 MI
Copy-ready billing details
Provider: Mark Olsen
NPI: 1154152999
Taxonomy: 101YM0800X (Mental Health Counselor)
Address: 17224 VAN WAGONER RD, Spring Lake, MI, 49456

Other providers at this practice address

NPI Name Type Specialty Location
1164595526 Kristine Koetje Individual Counselor Spring Lake, MI
1316010770 Kristine Koetje Ma, PC Organization Psychologist Spring Lake, MI
1730209768 Sara Shambarger Individual Clinical Social Worker Spring Lake, MI
1396069761 Catherine Waddilove Individual Clinical Social Worker Spring Lake, MI
1174833750 Douglas Wilson Individual Professional Counselor Spring Lake, MI
1700149945 Carol Steel Individual Clinical Psychologist Spring Lake, MI
1609131192 Kristine Koetje Ma, PC Organization Counselor Spring Lake, MI
1770956864 Compassionate Christian Counseling Organization Professional Counselor Spring Lake, MI

Verify this record

Cross-check NPI 1154152999 against the authoritative CMS record: view Mr. Mark E Olsen on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Mark Olsen practice?
The practice location on file with NPPES is in Spring Lake, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Olsen?
The National Provider Identifier (NPI) for Mark Olsen is 1154152999, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-02-20.