IndividualActive
William Henderson
NPI 1740334127 · Social Worker · Greenville, SC
William Henderson is a Social Worker provider in Greenville, SC (NPI 1740334127).
Provider details
- NPI number
- 1740334127
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
83% 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
124 Mallard Street
Greenville, SC 29601-4046
Phone: (864) 241-1040
Fax: (864) 241-8187
Street-level locationGet directions
Mailing address
124 Mallard Street
Greenville, SC 29601-4046
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Henderson's NPI number?
- William Henderson's National Provider Identifier (NPI) is 1740334127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Henderson's specialty?
- William Henderson is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is William Henderson located?
- William Henderson's practice location on file with NPPES is 124 Mallard Street, Greenville, SC 29601-4046.
- What is William Henderson's phone number?
- The practice phone number listed in the NPPES registry for William Henderson is (864) 241-1040.
- Is William Henderson's NPI active?
- Yes — William Henderson's NPI (1740334127) 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.