Mark Dusseau, LLMFT
NPI 1689550485 · Marriage & Family Therapist · Jackson, MI
Mark Dusseau, LLMFT is a Marriage & Family Therapist provider in Jackson, MI (NPI 1689550485).
Provider details
- NPI number
- 1689550485
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LLMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4151001191 (MI)
Specialties & taxonomies
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
Under 1 yr in 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
- 2025-08-15
- Last updated
- 2025-08-15
- Certified
- 2025-08-15
Frequently asked questions
- What is Mark Dusseau's NPI number?
- Mark Dusseau's National Provider Identifier (NPI) is 1689550485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Dusseau's specialty?
- Mark Dusseau is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Dusseau located?
- Mark Dusseau's practice location on file with NPPES is 1200 N West Ave, Jackson, MI 49202-2179.
- What is Mark Dusseau's phone number?
- The practice phone number listed in the NPPES registry for Mark Dusseau is (800) 284-8288.
- Is Mark Dusseau's NPI active?
- Yes — Mark Dusseau's NPI (1689550485) is active in the NPPES registry as of the last update on 2025-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.