MELISSA M WILLIAMSON CADCI
NPI 1184822033
Counselor - Addiction (Substance Use Disorder) in Oregon City, OR

Q: What is Melissa Williamson's NPI number?

The NPI number for Melissa Williamson is 1184822033. It was assigned to this individual provider in the NPPES registry on July 3, 2007.

Q: What is Melissa Williamson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Active since July 03, 2007

998 LIBRARY CT, OREGON CITY, OR 97045(503) 655-8401(503) 655-8429 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Melissa M Williamson Cadci NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELISSA M WILLIAMSON CADCI (NPI 1184822033) is an individual addiction (substance use disorder) provider in Oregon City, Oregon and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1184822033

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameMELISSA M WILLIAMSONCredential: CADCI

Location Address998 LIBRARY CTOregon City, OR 97045-4041

Mailing Address998 Library CtOregon City, OR 97045-4041 · (503) 655-8401 · Fax (503) 655-8429

Phone(503) 655-8401

Fax(503) 655-8429

Sole ProprietorNo

Enumeration DateJuly 3, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1184822033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

998 LIBRARY CT, Oregon City, OR 97045

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JEAN M WILSON

Social Worker (Clinical)