Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1275149809 Individual Practitioner Female Practitioner

Sage Tuuk

Behavior Analyst • Grand Rapids, MI

Professional Overview & Biography Verified Profile Summary

Sage Tuuk is a registered healthcare professional specializing in Behavior Analyst in Grand Rapids, MI. Practice services are available at 600 3 MILE RD NW under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

600 3 Mile Rd Nw
Suite 200

Grand Rapids, MI 495441691

Telephone 8558326727
Associated Practice Facility / Clinic
🏢 Positive Behavior Supports Facility NPI 1700024296

Specialty Benchmarks & Practice Insights

Comparative analytics for Behavior Analyst in Grand Rapids, MI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.0 Yrs
State Avg: 13.0 Yrs
Regional Practice Density
252 Specialists

Practicing in Grand Rapids, MI (3207 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-05-13
Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 103K00000X

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

Counselor - Mental Health

NUCC Taxonomy Code: 101YM0800X

Definition to come...

Secondary Practice Locations

5943 Stadium Dr

Kalamazoo, MI 490093016

Phone: 2693899102

120 Stevens St Sw

Grand Rapids, MI 495071526

Phone: 8558326727

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Korie Hendrix

Behavior Analyst

NPI 1003103987
NPI 1003125576

Board Certified Behavior Analyst

Ana Reyes

Technician, Other

NPI 1003203241
Josephine Potter

Technician, Other

NPI 1003205220
Larhonda Callier

Technician, Other

NPI 1003207721
Maria Zelaya Castillo

Technician, Other

NPI 1003216722

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Practice Location May 13, 2026

Registered at 600 3 MILE RD NW, SUITE 200, GRAND RAPIDS, MI 495441691 (Tel: 8558326727)

📍
Updated Practice Location August 15, 2025

Registered at 600 3 MILE RD NW STE 200, GRAND RAPIDS, MI 495441691 (Tel: 8558326727)

📍
Updated Business Mailing Address August 15, 2025

Registered at 600 3 MILE RD NW STE 200, GRAND RAPIDS, MI 495441691

📍
Updated Practice Location July 01, 2025

Registered at 600 3 MILE RD NW, GRAND RAPIDS, MI 495441685 (Tel: 8558326727)

👤
Provider Name / Credentials Updated July 01, 2025

Recorded as SAGE TUUK

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 14, 2024

Counselor

📍
Updated Practice Location August 03, 2021

Registered at 120 STEVENS ST SW, GRAND RAPIDS, MI 495071526 (Tel: 8558326727)

📍
Updated Business Mailing Address August 03, 2021

Registered at 120 STEVENS ST SW, GRAND RAPIDS, MI 495071526

NPI Profile Active September 18, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location September 18, 2020

Registered at 5943 STADIUM DR, KALAMAZOO, MI 490093016 (Tel: 2693899102)

📍
Updated Business Mailing Address September 18, 2020

Registered at 5943 STADIUM DR, KALAMAZOO, MI 490093016 (Tel: 2693899102)

👤
Provider Name / Credentials Updated September 18, 2020

Recorded as SAGE FAHEY

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 18, 2020

Behavior Technician

🟢
Initial NPI Registration & Enumeration September 18, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1275149809
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 18, 2020
Last Update: May 13, 2026
Sole Proprietor: No

Mailing Address

600 3 Mile Rd Nw Ste 200

Grand Rapids, MI 495441691

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.