Diann Ardessi, O.T.
NPI 1306179650 · Occupational Therapist · Fontana, CA
Diann Ardessi, O.T. is a Occupational Therapist provider in Fontana, CA (NPI 1306179650).
Provider details
- NPI number
- 1306179650
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- O.T.
- Sex
- Female
- Sole proprietor
- No
- License
- 7595 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-09-17
- Last updated
- 2009-09-17
Frequently asked questions
- What is Diann Ardessi's NPI number?
- Diann Ardessi's National Provider Identifier (NPI) is 1306179650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diann Ardessi's specialty?
- Diann Ardessi is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Diann Ardessi located?
- Diann Ardessi's practice location on file with NPPES is 14392 Valley Blvd, Fontana, CA 92335-5240.
- What is Diann Ardessi's phone number?
- The practice phone number listed in the NPPES registry for Diann Ardessi is (909) 574-2106.
- Is Diann Ardessi's NPI active?
- Yes — Diann Ardessi's NPI (1306179650) is active in the NPPES registry as of the last update on 2009-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.