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LEIGH ANN R MCMAHON SLP
NPI 1083973747
Speech-Language Pathologist in Hattiesburg, MS

Active since May 15, 2012
4700 HARDY ST STE J1, HATTIESBURG, MS 39402(601) 336-5236 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 24, 2025, Jan 10, 2025, Jun 13, 2024 and 2 more (5 updates tracked since 2022).

About Leigh Ann R Mcmahon Slp NPPES

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

LEIGH ANN R MCMAHON SLP (NPI 1083973747) is an individual speech-language pathologist provider in Hattiesburg, Mississippi, licensed in Mississippi (S-3656) and active in the NPI registry since May 2012. She maintains a secondary practice location in Sumrall.

NPPES Registry Identity

NPI1083973747
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameLEIGH ANN R MCMAHONCredential: SLP
Location Address4700 HARDY ST STE J1Hattiesburg, MS 39402-1300
Mailing Address1200 Corporate Dr Ste 400Hoover, AL 35242-5424 · (423) 238-7217
Phone(601) 336-5236
Sole ProprietorYes
Enumeration DateMay 15, 2012
Last NPPES UpdateJune 24, 20255 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1083973747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in MS · S-3656
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
4700 HARDY ST STE J1, Hattiesburg, MS 39402
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Secondary Practice Location 1

Location 14881 Hwy 589Sumrall, MS 39482 · Phone (601) 336-9099 · Fax (601) 550-6184

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leigh Ann R Mcmahon Slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

4

Medicare enrollment records show Leigh Ann Mcmahon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Benchmark Physical Therapy Of Mississippi LLC
72 mi
Physical Therapist
4010 BIENVILLE BLVD UNIT 8
Ocean Springs, MS 39564
  • Reassigned Medicare billing, Mississippi enrollment
  • 127 clinicians in this Medicare group
NPI 1811547680 (423) 238-8923
Drayer Physical Therapy Mississippi LLC
125 mi
Physical Therapist
110 N WALMART DR, SUITE F
Louisville, MS 39339
  • Reassigned Medicare billing, Mississippi enrollment
  • 324 clinicians in this Medicare group
NPI 1952732448 (662) 779-1096
Dpti Elite Physical Therapy LLC
215 mi
Physical Therapist
2319 HWY 145
Saltillo, MS 38866
  • Reassigned Medicare billing, Mississippi enrollment
  • 230 clinicians in this Medicare group
NPI 1386010718 (662) 869-9980
Agilitas Usa Inc
355 mi
Physical Therapy
2177 NORTHPOINT BLVD STE 101
Hixson, TN 37343
  • Reassigned Medicare billing, Mississippi enrollment
  • 132 clinicians in this Medicare group
NPI 1962417444 (423) 870-1289

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

Other Providers at the Same Location NPPES 6

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

BRITNEY LAMONT OTD, OTR/L
Occupational Therapist (Pediatrics)
4700 HARDY ST STE J1
HATTIESBURG, MS 39402
Lamar County (601) 336-5236
KELLY FORD JORDAN DPT
Physical Therapist
4700 HARDY ST STE J1
HATTIESBURG, MS 39402
Lamar County (601) 336-5236
PAIGE ESTESS MS, CCC-SLP
Speech-Language Pathologist
4700 HARDY ST STE J1
HATTIESBURG, MS 39402
Lamar County (601) 543-8625
CLARISSA PILGRAM
Speech-Language Pathologist
4700 HARDY ST STE J1
HATTIESBURG, MS 39402
Lamar County (601) 336-5236
JULIA HOVATTER OT
Occupational Therapist
4700 HARDY ST STE J1
HATTIESBURG, MS 39402
Lamar County (601) 255-5236
REAGAN ALDRIDGE STANDLAND SLP
Speech-Language Pathologist
4700 HARDY ST STE J1
HATTIESBURG, MS 39402
Lamar County (601) 336-5236

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 Leigh Ann Mcmahon's NPI number?

The NPI number for Leigh Ann Mcmahon is 1083973747. It was assigned to this individual provider in the NPPES registry on May 15, 2012.

Where is Leigh Ann Mcmahon located?

Leigh Ann Mcmahon practices at 4700 Hardy St Ste J1, Hattiesburg, MS 39402. The listed phone number is (601) 336-5236.

What is Leigh Ann Mcmahon's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Leigh Ann Mcmahon enrolled in Medicare?

Yes. Leigh Ann Mcmahon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Leigh Ann Mcmahon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leigh Ann Mcmahon reassigns Medicare benefits to 4 organizations: Benchmark Physical Therapy Of Mississippi LLC (Ocean Springs, MS), Drayer Physical Therapy Mississippi LLC (Louisville, MS), Dpti Elite Physical Therapy LLC (Saltillo, MS) and Agilitas Usa Inc (Hixson, TN). Each 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 Leigh Ann Mcmahon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leigh Ann Mcmahon accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Leigh Ann Mcmahon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Leigh Ann Mcmahon was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.