Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William David Watt, LSW
Social Worker in Linton, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831100924
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Registry record
Entity type Individual (Type 1)
Name William David Watt
Credential LSW
Sex Male
Practice address 1210 N 1000 W, Linton, IN, 47441
Phone (812) 699-4153
Enumeration date Aug 11, 2006
Last updated in NPPES Feb 8, 2016
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 33000677A (IN) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for William Watt?
The National Provider Identifier (NPI) for William Watt is 1831100924, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Watt practice?
The practice location on file with NPPES is in Linton, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gene Bourgasser Family Medicine Physician · Linton, IN NPI 1871596064 Felicitas Gatchalian Internal Medicine Physician · Linton, IN NPI 1306897509 Rebecca Jackson Nurse Practitioner · Linton, IN NPI 1811944986 Laurel Walton Obstetrics & Gynecology Physician · Linton, IN NPI 1508892530 Terre Haute Pulmonary & Pediatric Clinic, LLC Pulmonary Disease Physician · Linton, IN NPI 1255492625 Renee Rottet Clinical Social Worker · Linton, IN NPI 1275663635 Jane Heidinger Family Nurse Practitioner · Linton, IN NPI 1427261916 Angela Barnett Family Nurse Practitioner · Linton, IN NPI 1467686675
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-08.