Katherine Mariscal
NPI 1578256236 · Addiction (Substance Use Disorder) Counselor · Ontario, CA
Katherine Mariscal is a Addiction (Substance Use Disorder) Counselor provider in Ontario, CA (NPI 1578256236).
Provider details
- NPI number
- 1578256236
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- R1508730523 (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
3 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
- 2023-05-30
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Katherine Mariscal's NPI number?
- Katherine Mariscal's National Provider Identifier (NPI) is 1578256236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mariscal's specialty?
- Katherine Mariscal is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Katherine Mariscal located?
- Katherine Mariscal's practice location on file with NPPES is 3286 E Guasti Rd, Ontario, CA 91761-8645.
- What is Katherine Mariscal's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mariscal is (909) 906-9844.
- Is Katherine Mariscal's NPI active?
- Yes — Katherine Mariscal's NPI (1578256236) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.