David Mayo, CAS
NPI 1205011251 · Addiction (Substance Use Disorder) Counselor · Hemet, CA
David Mayo, CAS is a Addiction (Substance Use Disorder) Counselor provider in Hemet, CA (NPI 1205011251).
Provider details
- NPI number
- 1205011251
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CAS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5553 (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
18 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
- 2008-01-08
- Last updated
- 2008-01-08
Frequently asked questions
- What is David Mayo's NPI number?
- David Mayo's National Provider Identifier (NPI) is 1205011251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Mayo's specialty?
- David Mayo is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is David Mayo located?
- David Mayo's practice location on file with NPPES is 40329 Stetson Ave, Hemet, CA 92544-7358.
- What is David Mayo's phone number?
- The practice phone number listed in the NPPES registry for David Mayo is (951) 658-4466.
- Is David Mayo's NPI active?
- Yes — David Mayo's NPI (1205011251) is active in the NPPES registry as of the last update on 2008-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.