Ellen Ahn
NPI 1467544304 · Addiction (Substance Use Disorder) Counselor · Buena Park, CA
Ellen Ahn is a Addiction (Substance Use Disorder) Counselor provider in Buena Park, CA (NPI 1467544304).
Provider details
- NPI number
- 1467544304
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
- 2006-09-29
- Last updated
- 2018-03-16
Frequently asked questions
- What is Ellen Ahn's NPI number?
- Ellen Ahn's National Provider Identifier (NPI) is 1467544304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Ahn's specialty?
- Ellen Ahn is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Ellen Ahn located?
- Ellen Ahn's practice location on file with NPPES is 7212 Orangethorpe Ave Ste 8, Buena Park, CA 90621-4667.
- What is Ellen Ahn's phone number?
- The practice phone number listed in the NPPES registry for Ellen Ahn is (714) 449-1125.
- Is Ellen Ahn's NPI active?
- Yes — Ellen Ahn's NPI (1467544304) is active in the NPPES registry as of the last update on 2018-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.