IndividualActive
William Walker, CMSW
NPI 1639282221 · Clinical Social Worker · Nashville, TN
William Walker, CMSW is a Clinical Social Worker provider in Nashville, TN (NPI 1639282221).
Provider details
- NPI number
- 1639282221
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- CMSW
- Sex
- Male
- Sole proprietor
- No
- License
- CSW5891 (TN)
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
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
1718 Patterson St
Nashville, TN 37203-2926
Phone: (615) 327-1085
Fax: (615) 963-4733
Street-level locationGet directions
Mailing address
1718 Patterson St
Nashville, TN 37203-2926
Registry dates
- Enumerated
- 2006-08-16
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Walker's NPI number?
- William Walker's National Provider Identifier (NPI) is 1639282221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Walker's specialty?
- William Walker is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Walker located?
- William Walker's practice location on file with NPPES is 1718 Patterson St, Nashville, TN 37203-2926.
- What is William Walker's phone number?
- The practice phone number listed in the NPPES registry for William Walker is (615) 327-1085.
- Is William Walker's NPI active?
- Yes — William Walker's NPI (1639282221) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.