Diana Walker, CATC
NPI 1194872481 · Addiction (Substance Use Disorder) Counselor · Pomona, CA
Diana Walker, CATC is a Addiction (Substance Use Disorder) Counselor provider in Pomona, CA (NPI 1194872481).
Provider details
- NPI number
- 1194872481
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CATC
- Sex
- Female
- Sole proprietor
- Yes
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
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
- 2007-01-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diana Walker's NPI number?
- Diana Walker's National Provider Identifier (NPI) is 1194872481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Walker's specialty?
- Diana Walker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Diana Walker located?
- Diana Walker's practice location on file with NPPES is 1050 N Garey Ave, Pomona, CA 91767-3802.
- What is Diana Walker's phone number?
- The practice phone number listed in the NPPES registry for Diana Walker is (909) 623-6391.
- Is Diana Walker's NPI active?
- Yes — Diana Walker's NPI (1194872481) 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.