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

Mrs. Diana Thomas, MS

Individual provider Mental Health Counselor · NPI 1285799908

Mrs. Diana Thomas, MS is a Mental Health Counselor in Dyer, Indiana. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

925 Killarney Dr
Dyer, IN 46311-1292
Phone: (773) 618-2231
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 180.006746 (IL)
Mental Health Counselor Taxonomy 101YM0800X · Licence 178002128 (IL)

Record details

NPI number1285799908
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorNo
NPI enumeratedDecember 22, 2006
Last updated in NPPESDecember 30, 2024
Certification dateDecember 30, 2024

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