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

MS. Diane L Hardersen, CADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1235251679

MS. Diane L Hardersen, CADC is an Addiction (Substance Use Disorder) Counselor in Norman, Oklahoma. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

909 Alameda St
Norman, OK 73071-5229
Phone: (405) 573-3926
Fax: (405) 573-3939
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1235251679
Entity typeIndividual (Type 1)
GenderFemale
Credentials CADC
Sole proprietorNo
NPI enumeratedApril 5, 2007
Last updated in NPPESJuly 8, 2007

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