Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Sadie Louise Williams, MSW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1821275223

MS. Sadie Louise Williams, MSW is a Clinical Social Worker in Grand Junction, Colorado. Qualified in 2006, 20 years ago. Practices with Sondermind Provider Network LLC, a 1,258-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
20
Licensed in
CO
In the registry since
2008
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

2425 Teller Ave
Grand Junction, CO 81501-5141
Phone: (970) 234-8882
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 1521 (CO)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 7049 (CO)

Record details

NPI number1821275223
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJanuary 28, 2008
Last updated in NPPESJuly 6, 2026
Certification dateJuly 6, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Sondermind Provider Network Llc — 1258 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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