William Anthony Mathis, LCSW, CADC
Clinical Social Worker · Clarksville, IN
William Anthony Mathis, LCSW, CADC is a clinical social worker with a practice address in Clarksville, Indiana, and NPI 1639408990, issued on Dec 16, 2009. Check the license (Indiana 34005676A, as entered in NPPES) with the Indiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Anthony Mathis
- Credential
- LCSW, CADC
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 34005676A IN
3320 KY
1048 KY
Self-reported in NPPES; status is on the state search - Practice location
- 517 Little League Blvd, Clarksville, IN 47129
- Phone
- (888) 948-6789
- Enumerated
- Dec 16, 2009
- Record last updated
- Oct 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (877) 345-3501
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 5,650 in Indiana → Look up another NPI →
Verify William Anthony Mathis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 34005676ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Anthony Mathis among 5,650 clinical social worker records in Indiana
William Anthony Mathis, LCSW, CADC is one of 5,650 clinical social worker records with a practice address in Indiana. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 33% of them.
- NPI issued2009 · 33% of these records are older, 65% newer
- In a Medicare fileNo · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 clinical social worker records list a practice address in Clarksville
They are 8 of the 431 NPPES records with a practice address in Clarksville, and 5,650 clinical social worker records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,650 in Indiana → Every provider in Clarksville → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Chasidy CarpenterClarksville, IN 471291063265916
- Bonnie Doan, MSSW, LCSWClarksville, IN 471291477739001
- James Howard, EDD, LCSW, LMFT, CEAClarksville, IN 471291518078914
- Alison Johnson, LCSW, LMFT, ACSWClarksville, IN 471291205987369
- Tiffany Johnson, LCSWClarksville, IN 471291124442603
- Valerie Kaelin, LSWClarksville, IN 471291992533517
- Walter Phillips, LCSWClarksville, IN 471291548486921
- Tracie Anderson, LCSWJeffersonville, IN 471301407859465
Common questions
What is William Anthony Mathis, LCSW, CADC's NPI number?
William Anthony Mathis, LCSW, CADC's National Provider Identifier (NPI) is 1639408990, issued on Dec 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is William Anthony Mathis, LCSW, CADC located?
The NPPES record lists a practice address at 517 Little League Blvd, Clarksville, IN, 47129. Phone: (888) 948-6789. Providers update this record themselves, so call before visiting.
How can I verify William Anthony Mathis, LCSW, CADC's license?
NPPES lists Indiana license number 34005676A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.