Gwendolyn Martell-Daniels, LCSW, SAC
NPI 1891906889 · Clinical Social Worker · Merrill, WI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwendolyn Martell-Daniels, LCSW, SAC is a Clinical Social Worker provider in Merrill, WI (NPI 1891906889).
Provider details
- NPI number
- 1891906889
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, SAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11275 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2007-05-24
- Last updated
- 2026-02-03
- Certified
- 2026-02-03
Frequently asked questions
- What is Gwendolyn Martell-Daniels's NPI number?
- Gwendolyn Martell-Daniels's National Provider Identifier (NPI) is 1891906889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Martell-Daniels's specialty?
- Gwendolyn Martell-Daniels is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gwendolyn Martell-Daniels located?
- Gwendolyn Martell-Daniels's practice location on file with NPPES is N2355 Smith Rd, Merrill, WI 54452-9453.
- What is Gwendolyn Martell-Daniels's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Martell-Daniels is (715) 551-1970.
- Does Gwendolyn Martell-Daniels accept Medicare?
- Gwendolyn Martell-Daniels is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwendolyn Martell-Daniels's NPI active?
- Yes — Gwendolyn Martell-Daniels's NPI (1891906889) is active in the NPPES registry as of the last update on 2026-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.