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

Michelle Williamson, MS

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1750623666

Michelle Williamson, MS is an Addiction (Substance Use Disorder) Counselor in Pleasanton, California. Licensed in California. Registered with an NPI since 2013.

Licensed in
CA
In the registry since
2013
Specialties on file
3
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

344 Division St Ste 205
Pleasanton, CA 94566-6893
Phone: (570) 852-1076
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 98047 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 94588 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 71564 (CA)

Record details

NPI number1750623666
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorNo
NPI enumeratedMarch 19, 2013
Last updated in NPPESJune 4, 2025
Certification dateJune 4, 2025
Mailing address6819 Paseo Santa Cruz, Pleasanton, CA 94566-5757

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