Katherine Porteous, AAS SUBSTANCE USE
NPI 1215507009 · Addiction (Substance Use Disorder) Counselor · Ontario, CA
Katherine Porteous, AAS SUBSTANCE USE is a Addiction (Substance Use Disorder) Counselor provider in Ontario, CA (NPI 1215507009).
Provider details
- NPI number
- 1215507009
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- AAS SUBSTANCE USE
- 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
5 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
- 2021-06-25
- Last updated
- 2021-06-25
- Certified
- 2021-06-25
Frequently asked questions
- What is Katherine Porteous's NPI number?
- Katherine Porteous's National Provider Identifier (NPI) is 1215507009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Porteous's specialty?
- Katherine Porteous is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Katherine Porteous located?
- Katherine Porteous's practice location on file with NPPES is 1033 S Campus Ave, Ontario, CA 91761-3444.
- What is Katherine Porteous's phone number?
- The practice phone number listed in the NPPES registry for Katherine Porteous is (626) 241-8451.
- Is Katherine Porteous's NPI active?
- Yes — Katherine Porteous's NPI (1215507009) is active in the NPPES registry as of the last update on 2021-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.