Dennis Chen, MS/OTR/L
NPI 1265612790 · Occupational Therapist · Santa Ana, CA
Dennis Chen, MS/OTR/L is a Occupational Therapist provider in Santa Ana, CA (NPI 1265612790).
Provider details
- NPI number
- 1265612790
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS/OTR/L
- Sex
- Male
- 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
18 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
- 2007-11-13
- Last updated
- 2007-11-13
Frequently asked questions
- What is Dennis Chen's NPI number?
- Dennis Chen's National Provider Identifier (NPI) is 1265612790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Chen's specialty?
- Dennis Chen is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Dennis Chen located?
- Dennis Chen's practice location on file with NPPES is 200 W Santa Ana Blvd, Santa Ana, CA 92701-4134.
- What is Dennis Chen's phone number?
- The practice phone number listed in the NPPES registry for Dennis Chen is (714) 647-0300.
- Is Dennis Chen's NPI active?
- Yes — Dennis Chen's NPI (1265612790) is active in the NPPES registry as of the last update on 2007-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.