Margrethe Demers, MHC
NPI 1831670553 · Mental Health Counselor · Potsdam, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margrethe Demers, MHC is a Mental Health Counselor provider in Potsdam, NY (NPI 1831670553).
Provider details
- NPI number
- 1831670553
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MHC
- Sex
- Female
- Sole proprietor
- No
- License
- P11821 (NY)
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
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
- 2018-08-22
- Last updated
- 2021-07-07
- Certified
- 2021-07-07
Frequently asked questions
- What is Margrethe Demers's NPI number?
- Margrethe Demers's National Provider Identifier (NPI) is 1831670553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margrethe Demers's specialty?
- Margrethe Demers is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Margrethe Demers located?
- Margrethe Demers's practice location on file with NPPES is 12 Elm St, Potsdam, NY 13676-2166.
- What is Margrethe Demers's phone number?
- The practice phone number listed in the NPPES registry for Margrethe Demers is (315) 261-5133.
- Does Margrethe Demers accept Medicare?
- Margrethe Demers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margrethe Demers's NPI active?
- Yes — Margrethe Demers's NPI (1831670553) is active in the NPPES registry as of the last update on 2021-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.