IndividualActive
William Quirk, CSW
NPI 1104810233 · Clinical Social Worker · Irmo, SC
William Quirk, CSW is a Clinical Social Worker provider in Irmo, SC (NPI 1104810233).
Provider details
- NPI number
- 1104810233
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- CSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4957 (SC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
401 Western Ln
Suite a
Irmo, SC 29063-7953
Phone: (803) 397-7521
Fax: (803) 667-4963
Street-level locationGet directions
Mailing address
Po Box 3086
Irmo, SC 29063-4011
Registry dates
- Enumerated
- 2005-09-05
- Last updated
- 2008-08-01
Frequently asked questions
- What is William Quirk's NPI number?
- William Quirk's National Provider Identifier (NPI) is 1104810233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Quirk's specialty?
- William Quirk is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Quirk located?
- William Quirk's practice location on file with NPPES is 401 Western Ln, Irmo, SC 29063-7953.
- What is William Quirk's phone number?
- The practice phone number listed in the NPPES registry for William Quirk is (803) 397-7521.
- Is William Quirk's NPI active?
- Yes — William Quirk's NPI (1104810233) is active in the NPPES registry as of the last update on 2008-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.