What is Sage Tuuk's NPI number?

Sage Tuuk's National Provider Identifier (NPI) is 1275149809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sage Tuuk's specialty?

Sage Tuuk is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Sage Tuuk located?

Sage Tuuk's practice location on file with NPPES is 600 3 Mile Rd Nw, Grand Rapids, MI 49544-1691.

What is Sage Tuuk's phone number?

The practice phone number listed in the NPPES registry for Sage Tuuk is (855) 832-6727.

Is Sage Tuuk's NPI active?

Yes — Sage Tuuk's NPI (1275149809) is active in the NPPES registry as of the last update on 2026-05-13.

IndividualActive

Sage Tuuk

NPI 1275149809 · Behavior Analyst · Grand Rapids, MI

Sage Tuuk is a Behavior Analyst provider in Grand Rapids, MI (NPI 1275149809).

Provider details

NPI number: 1275149809
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers
Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(66/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
3 documented practice locations

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

600 3 Mile Rd Nw

Suite 200

Grand Rapids, MI 49544-1691

Phone: (855) 832-6727

Street-level locationGet directions

More MI providers

Mailing address

600 3 Mile Rd Nw Ste 200

Grand Rapids, MI 49544-1691

Additional practice locations (2)

120 Stevens St Sw
Grand Rapids, MI 49507-1526
Phone: (855) 832-6727
5943 Stadium Dr
Kalamazoo, MI 49009-3016
Phone: (269) 389-9102

Enumerated: 2020-09-18
Last updated: 2026-05-13
Certified: 2026-05-13

Frequently asked questions

What is Sage Tuuk's NPI number?: Sage Tuuk's National Provider Identifier (NPI) is 1275149809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sage Tuuk's specialty?: Sage Tuuk is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
Where is Sage Tuuk located?: Sage Tuuk's practice location on file with NPPES is 600 3 Mile Rd Nw, Grand Rapids, MI 49544-1691.
What is Sage Tuuk's phone number?: The practice phone number listed in the NPPES registry for Sage Tuuk is (855) 832-6727.
Is Sage Tuuk's NPI active?: Yes — Sage Tuuk's NPI (1275149809) is active in the NPPES registry as of the last update on 2026-05-13.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.