Diane Hardersen, CADC
NPI 1235251679 · Addiction (Substance Use Disorder) Counselor · Norman, OK
Diane Hardersen, CADC is a Addiction (Substance Use Disorder) Counselor provider in Norman, OK (NPI 1235251679).
Provider details
- NPI number
- 1235251679
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Hardersen's NPI number?
- Diane Hardersen's National Provider Identifier (NPI) is 1235251679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Hardersen's specialty?
- Diane Hardersen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Diane Hardersen located?
- Diane Hardersen's practice location on file with NPPES is 909 Alameda St, Norman, OK 73071-5229.
- What is Diane Hardersen's phone number?
- The practice phone number listed in the NPPES registry for Diane Hardersen is (405) 573-3926.
- Is Diane Hardersen's NPI active?
- Yes — Diane Hardersen's NPI (1235251679) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.