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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARGARET R. REGAN M.S.
NPI 1245285790
Counselor - Addiction (Substance Use Disorder) in Lafayette, LA

Active since May 23, 2006
600 JEFFERSON ST, SUITE 902, LAFAYETTE, LA 70501(337) 993-0000(337) 354-2410 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Margaret R. Regan M.s. NPPES

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

MARGARET R. REGAN M.S. (NPI 1245285790) is an individual addiction (substance use disorder) provider in Lafayette, Louisiana, licensed in Louisiana (171) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1245285790
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMARGARET R. REGANCredential: M.S.
Location Address600 JEFFERSON ST, SUITE 902Lafayette, LA 70501-6942
Mailing Address9 Flossmore DrLafayette, LA 70508-4043 · (337) 234-3874
Phone(337) 993-0000
Fax(337) 354-2410
Sole ProprietorNo
Enumeration DateMay 23, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1245285790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in LA · 171
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 2244 (LA)
Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License 37 (LA)
600 JEFFERSON ST, Lafayette, LA 70501
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Other Names 1

Other Name (5)Mary Regan M.s.

Other Providers at the Same Location NPPES 4

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

EAN VINCENZO YOUNG LPC, LMFT, CEAP, NCC
Counselor (Professional)
600 JEFFERSON ST, SUITE 902
LAFAYETTE, LA 70501
Lafayette Parish (337) 993-0000
MS. LANE KATHERINE DAVID L.P.C.
Counselor (Professional)
600 JEFFERSON ST, SUITE 903
LAFAYETTE, LA 70501
Lafayette Parish (337) 412-5102
LORI KELLY ROMERO M.S.
Counselor (Professional)
600 JEFFERSON ST, SUITE 902
LAFAYETTE, LA 70501
Lafayette Parish (337) 993-0000
ACADIANA EMPLOYEE ASSESSMENT & REFERRAL SERVICES, LLC
Counselor (Professional)
600 JEFFERSON ST, SUITE 902
LAFAYETTE, LA 70501
Lafayette Parish (337) 993-0000

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 Margaret Regan's NPI number?

The NPI number for Margaret Regan is 1245285790. It was assigned to this individual provider in the NPPES registry on May 23, 2006. The provider is also known as Mary Regan M.S..

Where is Margaret Regan located?

Margaret Regan practices at 600 Jefferson St Suite 902, Lafayette, LA 70501. The listed phone number is (337) 993-0000.

What is Margaret Regan'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 Margaret Regan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.