Ronald Merritt, RADT 1
NPI 1639964059 · Addiction (Substance Use Disorder) Counselor · Chula Vista, CA
Ronald Merritt, RADT 1 is a Addiction (Substance Use Disorder) Counselor provider in Chula Vista, CA (NPI 1639964059).
Provider details
- NPI number
- 1639964059
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RADT 1
- Sex
- Male
- Sole proprietor
- No
- License
- R1581520924 (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
1 yr 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
- 2025-04-14
- Last updated
- 2025-04-14
- Certified
- 2025-04-14
Frequently asked questions
- What is Ronald Merritt's NPI number?
- Ronald Merritt's National Provider Identifier (NPI) is 1639964059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Merritt's specialty?
- Ronald Merritt is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Ronald Merritt located?
- Ronald Merritt's practice location on file with NPPES is 73 N 2nd Ave, Chula Vista, CA 91910-1124.
- What is Ronald Merritt's phone number?
- The practice phone number listed in the NPPES registry for Ronald Merritt is (619) 426-4801.
- Is Ronald Merritt's NPI active?
- Yes — Ronald Merritt's NPI (1639964059) is active in the NPPES registry as of the last update on 2025-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.