1. Home
  2. Directory
  3. Kentucky
  4. Louisa
  5. Social Worker
  6. NPI Profile

MR. GRANVILLE DAVID DECKER LCSW
NPI 1841910239
Social Worker - Clinical in Louisa, KY

Active since August 29, 2022
125 S MAIN CROSS ST, LOUISA, KY 41230(606) 638-0938(859) 813-5394 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 4, 2025, Feb 21, 2025, Aug 29, 2022 (3 updates tracked since 2022).

About Mr. Granville David Decker Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. GRANVILLE DAVID DECKER LCSW (NPI 1841910239) is an individual clinical provider in Louisa, Kentucky, licensed in Kentucky (259629) and active in the NPI registry since August 2022. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1841910239
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. GRANVILLE DAVID DECKERCredential: LCSW
Location Address125 S MAIN CROSS STLouisa, KY 41230-1330
Mailing Address4216 Oxmoor RdEvansville, IN 47715-1314 · (812) 568-8465
Phone(606) 638-0938
Fax(859) 813-5394
Sole ProprietorYes
Enumeration DateAugust 29, 2022
Last NPPES UpdateDecember 4, 20253 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1841910239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in KY · 259629✔ Licensed in IN · 34006043A
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
125 S MAIN CROSS ST, Louisa, KY 41230
Open in Google Maps ↗

Secondary Practice Locations 2

Location 14216 Oxmoor RdEvansville, IN 47715-1314 · Phone (812) 568-8465
Location 2203 S Water StLouisa, KY 41230-1347 · Phone (606) 649-2211 · Fax (606) 638-1399

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LOIS MICHELLE HUBBARD
Case Manager/Care Coordinator
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 638-0938
CHARLOTTE WILLIAMSON LPCA
Counselor (Professional)
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 638-0938
JOHN W. RILEY CADC
Counselor (Addiction (Substance Use Disorder))
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 638-0938
RICHARD SKEENS
Peer Specialist
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 638-0938
SHERRY DIANNE BIBBS JOHNSON RN
Registered Nurse (Addiction (Substance Use Disorder))
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 639-0938
KEITH JONES
Peer Specialist
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 638-0938
BOBBY LEE HILL PSS
Peer Specialist
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 638-0938
MELISSA MAYNARD
Case Manager/Care Coordinator
125 S MAIN CROSS ST
LOUISA, KY 41230
Lawrence County (606) 638-0938

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Granville Decker's NPI number?

The NPI number for Granville Decker is 1841910239. It was assigned to this individual provider in the NPPES registry on August 29, 2022.

Where is Granville Decker located?

Granville Decker practices at 125 S Main Cross St, Louisa, KY 41230. The listed phone number is (606) 638-0938.

What is Granville Decker's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Granville Decker was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.