1. Home
  2. Directory
  3. Louisiana
  4. New Orleans
  5. Clinic Center
  6. NPI Profile

GULF SOUTH ADDICTION & WELLNESS
NPI 1235523085
Clinic/Center - Rehabilitation, Substance Use Disorder in New Orleans, LA

Active since March 18, 2015
1539 JACKSON AVE, SUITE 220, NEW ORLEANS, LA 70130(985) 781-0548(985) 781-4319 Get Directions Write a Review

NPPES record last updated: November 16, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gulf South Addiction & Wellness NPPES

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

GULF SOUTH ADDICTION & WELLNESS (NPI 1235523085) is a healthcare organization registered as a rehabilitation, substance use disorder in New Orleans, Louisiana and active in the NPI registry since March 2015. The organization lists Harminder S Mallik, Owner, as its authorized official.

NPPES Registry Identity

NPI1235523085
Entity TypeOrganization
Primary Taxonomy261QR0405X
Legal Business NameGULF SOUTH ADDICTION & WELLNESS
Location Address1539 JACKSON AVE, SUITE 220New Orleans, LA 70130-5858
Mailing Address1539 Jackson Ave, Suite 220New Orleans, LA 70130-5858 · (985) 781-0548 · Fax (985) 781-4319
Phone(985) 781-0548
Fax(985) 781-4319
Organization SubpartNo
Authorized OfficialHarminder S MallikOwner · (985) 781-0548
Enumeration DateMarch 18, 2015
Last NPPES UpdateNovember 16, 2023
✔ NPI 1235523085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Rehabilitation, Substance Use DisorderAmbulatory Health Care Facilities
Taxonomy Code261QR0405X
License✔ Licensed in LA · 2203782288
1539 JACKSON AVE, New Orleans, LA 70130
Open in Google Maps ↗

Other Identifiers 1

Other2203782288LA · State License

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gulf South Addiction & Wellness is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gulf South Addiction & Wellness, which bills Medicare for the services this clinician delivers.

Clinician (1)

Harminder Mallik, MD
Psychiatry
NPI 1336209238
1415 TULANE AVE
New Orleans, LA 70112
(504) 988-2300
✔ PECOS1.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gulf South Addiction & Wellness's NPI number?

The NPI number for Gulf South Addiction & Wellness is 1235523085. It was assigned to this organization in the NPPES registry on March 18, 2015.

Where is Gulf South Addiction & Wellness located?

Gulf South Addiction & Wellness is located at 1539 Jackson Ave Suite 220, New Orleans, LA 70130. The listed phone number is (985) 781-0548.

What is Gulf South Addiction & Wellness's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, Substance Use Disorder, with taxonomy code 261QR0405X.

Is Gulf South Addiction & Wellness enrolled in Medicare?

Yes. Gulf South Addiction & Wellness is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gulf South Addiction & Wellness?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Gulf South Addiction & Wellness. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gulf South Addiction & Wellness was last updated on November 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.