Diana Fierro, COTA
NPI 1902001316 · Occupational Therapy Assistant · Santa Ana, CA
Diana Fierro, COTA is a Occupational Therapy Assistant provider in Santa Ana, CA (NPI 1902001316).
Provider details
- NPI number
- 1902001316
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA
- Sex
- Female
- Sole proprietor
- Yes
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
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
- 2007-06-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diana Fierro's NPI number?
- Diana Fierro's National Provider Identifier (NPI) is 1902001316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Fierro's specialty?
- Diana Fierro is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Diana Fierro located?
- Diana Fierro's practice location on file with NPPES is 2426 W Edinger Ave, Santa Ana, CA 92704-3518.
- What is Diana Fierro's phone number?
- The practice phone number listed in the NPPES registry for Diana Fierro is (714) 555-5555.
- Is Diana Fierro's NPI active?
- Yes — Diana Fierro's NPI (1902001316) 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.