Diane Offner, MSW LCSW
NPI 1588185284 · Clinical Social Worker · Claremont, CA
Diane Offner, MSW LCSW is a Clinical Social Worker provider in Claremont, CA (NPI 1588185284).
Provider details
- NPI number
- 1588185284
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS12091 (CA)
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2017-07-03
- Last updated
- 2017-07-03
Frequently asked questions
- What is Diane Offner's NPI number?
- Diane Offner's National Provider Identifier (NPI) is 1588185284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Offner's specialty?
- Diane Offner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Offner located?
- Diane Offner's practice location on file with NPPES is 250 W 1st St Ste 242, Claremont, CA 91711-4742.
- What is Diane Offner's phone number?
- The practice phone number listed in the NPPES registry for Diane Offner is (909) 624-0995.
- Is Diane Offner's NPI active?
- Yes — Diane Offner's NPI (1588185284) is active in the NPPES registry as of the last update on 2017-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.