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DR. WALKER ELTON MARSH JR. PHD LMFT
NPI 1992895635
Counselor - Addiction (Substance Use Disorder) in Slidell, LA

Active since October 13, 2006
85 WHISPERWOOD BLVD, SUITE 2C, SLIDELL, LA 70458(985) 661-0560(985) 781-5395 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Walker Elton Marsh Jr. Phd Lmft NPPES

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

DR. WALKER ELTON MARSH JR. PHD LMFT (NPI 1992895635) is an individual addiction (substance use disorder) provider in Slidell, Louisiana, licensed in Louisiana (MFT-345) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1992895635
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameDR. WALKER ELTON MARSH JR.Credential: PHD LMFT
Location Address85 WHISPERWOOD BLVD, SUITE 2CSlidell, LA 70458-1136
Mailing Address85 Whisperwood Blvd, Suite 2cSlidell, LA 70458-1136 · (985) 661-0560 · Fax (985) 781-5395
Phone(985) 661-0560
Fax(985) 781-5395
Sole ProprietorYes
Enumeration DateOctober 13, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1992895635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in LA · MFT-345
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License MFT-345 (LA)
Also ListedCounselor · PastoralTaxonomy 101YP1600X
Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License MFT-345 (LA)

Other Providers at the Same Location NPPES 10

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

JOY H NAQUIN LCSW
Social Worker (Clinical)
85 WHISPERWOOD BLVD, STE 2R
SLIDELL, LA 70458
St. Tammany Parish (985) 781-8565
MRS. ANGIE COOK DEHARDE PT
Physical Therapist
85 WHISPERWOOD BLVD
SLIDELL, LA 70458
St. Tammany Parish (985) 641-2866
PARKER THERAPY SERVICES, INC.
Occupational Therapist
85 WHISPERWOOD BLVD, STE 2P
SLIDELL, LA 70458
St. Tammany Parish (985) 781-8565
DALE MOORE CPA LLC
Specialist/Technologist, Health Information
85 WHISPERWOOD BLVD
SLIDELL, LA 70458
St. Tammany Parish (985) 781-8565
SUPERIOR REHABILITATION SERVICES, LLC
Clinic/Center (Physical Therapy)
85 WHISPERWOOD BLVD
SLIDELL, LA 70458
St. Tammany Parish (985) 641-2866
MR. GARY JOSEPH DRAGON JR. PT
Physical Therapist
85 WHISPERWOOD BLVD
SLIDELL, LA 70458
St. Tammany Parish (985) 641-2866
NORTHSHORE FAMILY COUNSELING, LLC
Counselor (Professional)
85 WHISPERWOOD BLVD
SLIDELL, LA 70458
St. Tammany Parish (985) 661-0560
MRS. GERTRUDE M PARKER OCCUPATIONAL THERAPI
Occupational Therapist
85 WHISPERWOOD BLVD, STE 2P
SLIDELL, LA 70458
St. Tammany Parish (985) 781-8565

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 Walker Marsh's NPI number?

The NPI number for Walker Marsh is 1992895635. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Walker Marsh located?

Walker Marsh practices at 85 Whisperwood Blvd Suite 2C, Slidell, LA 70458. The listed phone number is (985) 661-0560.

What is Walker Marsh's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Walker Marsh was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.