Matthew Mayer, LADC II
NPI 1609341478 · Addiction (Substance Use Disorder) Counselor · S Yarmouth, MA
Matthew Mayer, LADC II is a Addiction (Substance Use Disorder) Counselor provider in S Yarmouth, MA (NPI 1609341478).
Provider details
- NPI number
- 1609341478
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LADC II
- Sex
- Male
- Sole proprietor
- Yes
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
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2018-10-09
- Last updated
- 2018-10-11
Frequently asked questions
- What is Matthew Mayer's NPI number?
- Matthew Mayer's National Provider Identifier (NPI) is 1609341478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Mayer's specialty?
- Matthew Mayer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Mayer located?
- Matthew Mayer's practice location on file with NPPES is 31a Workshop Rd, S Yarmouth, MA 02664-1210.
- What is Matthew Mayer's phone number?
- The practice phone number listed in the NPPES registry for Matthew Mayer is (508) 398-5155.
- Is Matthew Mayer's NPI active?
- Yes — Matthew Mayer's NPI (1609341478) is active in the NPPES registry as of the last update on 2018-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.