Marc Sirois
NPI 1801224498 · Clinical Social Worker · Waterville, ME
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Sirois is a Clinical Social Worker provider in Waterville, ME (NPI 1801224498).
Provider details
- NPI number
- 1801224498
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- LC1253 (ME)
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
12 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
- 2013-10-17
- Last updated
- 2013-10-17
Frequently asked questions
- What is Marc Sirois's NPI number?
- Marc Sirois's National Provider Identifier (NPI) is 1801224498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Sirois's specialty?
- Marc Sirois is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marc Sirois located?
- Marc Sirois's practice location on file with NPPES is 10 Water St, Waterville, ME 04901-6559.
- What is Marc Sirois's phone number?
- The practice phone number listed in the NPPES registry for Marc Sirois is (207) 872-4618.
- Does Marc Sirois accept Medicare?
- Marc Sirois is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Sirois's NPI active?
- Yes — Marc Sirois's NPI (1801224498) is active in the NPPES registry as of the last update on 2013-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.