William Mustelier, ACSW, LCSW
NPI 1669473682 · Clinical Social Worker · Miami, FL
William Mustelier, ACSW, LCSW is a Clinical Social Worker provider in Miami, FL (NPI 1669473682).
Provider details
- NPI number
- 1669473682
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ACSW, LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- SW 4950 (FL)
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
20 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
- 2005-08-02
- Last updated
- 2010-06-17
Frequently asked questions
- What is William Mustelier's NPI number?
- William Mustelier's National Provider Identifier (NPI) is 1669473682, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mustelier's specialty?
- William Mustelier is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Mustelier located?
- William Mustelier's practice location on file with NPPES is 2645 Sw 37th Ave, Miami, FL 33133-2754.
- What is William Mustelier's phone number?
- The practice phone number listed in the NPPES registry for William Mustelier is (305) 448-5111.
- Is William Mustelier's NPI active?
- Yes — William Mustelier's NPI (1669473682) is active in the NPPES registry as of the last update on 2010-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.