MARY KATHRYN SIMMONS COOK
NPI 1316877574
Occupational Therapist in Ridgeland, MS

Active since May 20, 2026
115 W JACKSON ST STE 1D, RIDGELAND, MS 39157(601) 853-9747 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Kathryn Simmons Cook NPPES

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

MARY KATHRYN SIMMONS COOK (NPI 1316877574) is an individual occupational therapist in Ridgeland, Mississippi, licensed in Mississippi (4317) and active in the NPI registry since May 2026. She is a graduate of University Of Alabama School Of Medicine (2025).

NPPES Registry Identity

NPI1316877574
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMARY KATHRYN SIMMONS COOK
Location Address115 W JACKSON ST STE 1DRidgeland, MS 39157-2428
Mailing Address1200 Corporate Dr Ste 400Hoover, AL 35242-5424 · (423) 238-7217
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2025
Enumeration DateMay 20, 2026
NPPES CertifiedMay 20, 2026
✔ NPI 1316877574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in MS · 4317
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
115 W JACKSON ST STE 1D, Ridgeland, MS 39157

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Kathryn Simmons Cook is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4981174992
PECOS Enrollment IDI20260529003615

Medicare Billing Reassignments

4

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

Physical Therapist
110 N WALMART DR, SUITE F
Louisville, MS 39339
  • Reassigned Medicare billing, Mississippi enrollment
  • 324 clinicians in this Medicare group
Physical Therapist
2319 HWY 145
Saltillo, MS 38866
  • Reassigned Medicare billing, Mississippi enrollment
  • 230 clinicians in this Medicare group
Physical Therapist
4010 BIENVILLE BLVD UNIT 8
Ocean Springs, MS 39564
  • Reassigned Medicare billing, Mississippi enrollment
  • 127 clinicians in this Medicare group
Physical Therapy
2177 NORTHPOINT BLVD STE 101
Hixson, TN 37343
  • Reassigned Medicare billing, Mississippi enrollment
  • 132 clinicians in this Medicare group

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 19

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

Speech-Language Pathologist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157
Speech-Language Pathologist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157
Occupational Therapist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157
Occupational Therapist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157
Speech-Language Pathologist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157
Occupational Therapist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157
Occupational Therapist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157
Occupational Therapist
115 W JACKSON ST STE 1D
RIDGELAND, MS 39157

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 Mary Kathryn Cook's NPI number?

The NPI number for Mary Kathryn Cook is 1316877574. It was assigned to this individual provider in the NPPES registry on May 20, 2026.

Where is Mary Kathryn Cook located?

Mary Kathryn Cook practices at 115 W Jackson St Ste 1D, Ridgeland, MS 39157. The listed phone number is (601) 853-9747.

What is Mary Kathryn Cook's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Mary Kathryn Cook enrolled in Medicare?

Yes. Mary Kathryn Cook is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Kathryn Cook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Kathryn Cook reassigns Medicare benefits to 4 organizations: Drayer Physical Therapy Mississippi LLC (Louisville, MS), Dpti Elite Physical Therapy LLC (Saltillo, MS), Benchmark Physical Therapy Of Mississippi LLC (Ocean Springs, 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 Mary Kathryn Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Kathryn Cook accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list Mary Kathryn Cook 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 Mary Kathryn Cook was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.