Ernest Marquez
NPI 1902406846 · Addiction (Substance Use Disorder) Counselor · Santa Ana, CA
Ernest Marquez is a Addiction (Substance Use Disorder) Counselor provider in Santa Ana, CA (NPI 1902406846).
Provider details
- NPI number
- 1902406846
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5293 (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
5 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
- 2020-10-29
- Last updated
- 2020-10-29
- Certified
- 2020-10-29
Frequently asked questions
- What is Ernest Marquez's NPI number?
- Ernest Marquez's National Provider Identifier (NPI) is 1902406846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Marquez's specialty?
- Ernest Marquez is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Ernest Marquez located?
- Ernest Marquez's practice location on file with NPPES is 1950 E 17th St, Santa Ana, CA 92705-6852.
- What is Ernest Marquez's phone number?
- The practice phone number listed in the NPPES registry for Ernest Marquez is (714) 547-4300.
- Is Ernest Marquez's NPI active?
- Yes — Ernest Marquez's NPI (1902406846) is active in the NPPES registry as of the last update on 2020-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.