Gary Allen
NPI 1831674175 · Psychiatric/Mental Health Registered Nurse · Rialto, CA
Gary Allen is a Psychiatric/Mental Health Registered Nurse provider in Rialto, CA (NPI 1831674175).
Provider details
- NPI number
- 1831674175
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 762955 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2018-10-02
- Last updated
- 2018-10-02
Frequently asked questions
- What is Gary Allen's NPI number?
- Gary Allen's National Provider Identifier (NPI) is 1831674175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Allen's specialty?
- Gary Allen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Gary Allen located?
- Gary Allen's practice location on file with NPPES is 850 E Foothill Blvd, Rialto, CA 92376-5230.
- What is Gary Allen's phone number?
- The practice phone number listed in the NPPES registry for Gary Allen is (909) 421-9495.
- Is Gary Allen's NPI active?
- Yes — Gary Allen's NPI (1831674175) is active in the NPPES registry as of the last update on 2018-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.