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

MS. Mary Lillian Stell, LMSW

Individual provider Social Worker · NPI 1801231840

MS. Mary Lillian Stell, LMSW is a Social Worker in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2013
Specialties on file
5
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

9830 NE Cascades Pkwy Ste 200
Portland, OR 97220-6834
Phone: (503) 239-8101
Fax: (503) 408-5021
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence M5714 (OR)
Mental Health Counselor Taxonomy 101YM0800X
Social Worker Taxonomy 104100000X
Counselor Taxonomy 101Y00000X
Marriage & Family Therapist Taxonomy 106H00000X

Record details

NPI number1801231840
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedMay 3, 2013
Last updated in NPPESMarch 21, 2014

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