Mark Olsen
NPI 1154152999 · Mental Health Counselor · Spring Lake, MI
Mark Olsen is a Mental Health Counselor provider in Spring Lake, MI (NPI 1154152999).
Provider details
- NPI number
- 1154152999
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-08-13
- Last updated
- 2025-02-20
- Certified
- 2025-02-20
Frequently asked questions
- What is Mark Olsen's NPI number?
- Mark Olsen's National Provider Identifier (NPI) is 1154152999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Olsen's specialty?
- Mark Olsen is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Olsen located?
- Mark Olsen's practice location on file with NPPES is 17224 Van Wagoner Rd, Spring Lake, MI 49456-9702.
- What is Mark Olsen's phone number?
- The practice phone number listed in the NPPES registry for Mark Olsen is (616) 296-2130.
- Is Mark Olsen's NPI active?
- Yes — Mark Olsen's NPI (1154152999) is active in the NPPES registry as of the last update on 2025-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.