John Diaz, CDCA
NPI 1811484074 · Addiction (Substance Use Disorder) Counselor · Ashtabula, OH
John Diaz, CDCA is a Addiction (Substance Use Disorder) Counselor provider in Ashtabula, OH (NPI 1811484074).
Provider details
- NPI number
- 1811484074
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CDCA
- Sex
- Male
- Sole proprietor
- No
- License
- 165621 (OH)
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
8 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
- 2018-04-13
- Last updated
- 2018-04-13
Frequently asked questions
- What is John Diaz's NPI number?
- John Diaz's National Provider Identifier (NPI) is 1811484074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Diaz's specialty?
- John Diaz is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Diaz located?
- John Diaz's practice location on file with NPPES is 2801 C Ct, Ashtabula, OH 44004-4577.
- What is John Diaz's phone number?
- The practice phone number listed in the NPPES registry for John Diaz is (440) 998-0722.
- Is John Diaz's NPI active?
- Yes — John Diaz's NPI (1811484074) is active in the NPPES registry as of the last update on 2018-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.