What is Marissa Gunnett's NPI number?

Marissa Gunnett's National Provider Identifier (NPI) is 1639007081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marissa Gunnett's specialty?

Marissa Gunnett is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Marissa Gunnett located?

Marissa Gunnett's practice location on file with NPPES is 1550 3 Mile Rd Nw Ste C, Grand Rapids, MI 49544-8251.

What is Marissa Gunnett's phone number?

The practice phone number listed in the NPPES registry for Marissa Gunnett is (616) 727-7478.

Is Marissa Gunnett's NPI active?

Yes — Marissa Gunnett's NPI (1639007081) is active in the NPPES registry as of the last update on 2026-05-13.

IndividualActive

Marissa Gunnett

NPI 1639007081 · Behavior Technician · Grand Rapids, MI

Marissa Gunnett is a Behavior Technician provider in Grand Rapids, MI (NPI 1639007081).

Provider details

NPI number: 1639007081
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

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
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

1550 3 Mile Rd Nw Ste C

Grand Rapids, MI 49544-8251

Phone: (616) 727-7478

Fax: (616) 840-9684

Street-level locationGet directions

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Mailing address