Theresa Darrington, PH.D.
NPI 1063445716 · Psychologist · Chino, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Darrington, PH.D. is a Psychologist provider in Chino, CA (NPI 1063445716).
Provider details
- NPI number
- 1063445716
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY16075 (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
19 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
- 2006-07-08
- Last updated
- 2016-10-13
Frequently asked questions
- What is Theresa Darrington's NPI number?
- Theresa Darrington's National Provider Identifier (NPI) is 1063445716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Darrington's specialty?
- Theresa Darrington is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Theresa Darrington located?
- Theresa Darrington's practice location on file with NPPES is 4091 Riverside Dr, Chino, CA 91710-6502.
- What is Theresa Darrington's phone number?
- The practice phone number listed in the NPPES registry for Theresa Darrington is (909) 287-3423.
- Does Theresa Darrington accept Medicare?
- Theresa Darrington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Darrington's NPI active?
- Yes — Theresa Darrington's NPI (1063445716) is active in the NPPES registry as of the last update on 2016-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.