Mark Gonsalves, LADC 1
NPI 1891915666 · Addiction (Substance Use Disorder) Counselor · Falmouth, MA
Mark Gonsalves, LADC 1 is a Addiction (Substance Use Disorder) Counselor provider in Falmouth, MA (NPI 1891915666).
Provider details
- NPI number
- 1891915666
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LADC 1
- Sex
- Male
- Sole proprietor
- No
- License
- 1531 (MA)
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
19 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
- 2007-04-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Gonsalves's NPI number?
- Mark Gonsalves's National Provider Identifier (NPI) is 1891915666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gonsalves's specialty?
- Mark Gonsalves is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Gonsalves located?
- Mark Gonsalves's practice location on file with NPPES is 200 Ter Heun Dr, Falmouth, MA 02540-2525.
- What is Mark Gonsalves's phone number?
- The practice phone number listed in the NPPES registry for Mark Gonsalves is (508) 540-6550.
- Is Mark Gonsalves's NPI active?
- Yes — Mark Gonsalves's NPI (1891915666) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.