IRENE ATITAYA RATTITHAM OTD
NPI 1639033186
Occupational Therapist in Sherman, TX

Active since December 10, 2025Accepts Medicare Assignment
3903 N US HIGHWAY 75 STE 100, SHERMAN, TX 75090(903) 518-8678 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Irene Atitaya Rattitham Otd NPPES

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

IRENE ATITAYA RATTITHAM OTD (NPI 1639033186) is an individual occupational therapist in Sherman, Texas and active in the NPI registry since December 2025. She is a graduate of Other (2025).

NPPES Registry Identity

NPI1639033186
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameIRENE ATITAYA RATTITHAMCredential: OTD
Location Address3903 N US HIGHWAY 75 STE 100Sherman, TX 75090-2578
Mailing Address3903 N Us Highway 75 Ste 100Sherman, TX 75090-2578 · (903) 518-8678
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateDecember 10, 2025
NPPES CertifiedDecember 10, 2025
✔ NPI 1639033186 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
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.
3903 N US HIGHWAY 75 STE 100, Sherman, TX 75090

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Irene Atitaya Rattitham Otd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507342102
PECOS Enrollment IDI20260114000764

Medicare Billing Reassignment

Medicare enrollment records show Irene Rattitham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physical Therapy
3903 N US HIGHWAY 75 STE 100
Sherman, TX 75090
  • Reassigned Medicare billing, Texas enrollment
  • 4 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 6

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

Physical Therapist
3903 N US HIGHWAY 75 STE 100
SHERMAN, TX 75090
Clinic/Center (Physical Therapy)
3903 N US HIGHWAY 75 STE 100
SHERMAN, TX 75090
Occupational Therapist
3903 N US HIGHWAY 75 STE 100
SHERMAN, TX 75090
Occupational Therapist
3903 N US HIGHWAY 75 STE 100
SHERMAN, TX 75090
Physical Therapist
3903 N US HIGHWAY 75 STE 100
SHERMAN, TX 75090
Occupational Therapist
3903 N US HIGHWAY 75 STE 100
SHERMAN, TX 75090

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 Irene Rattitham's NPI number?

The NPI number for Irene Rattitham is 1639033186. It was assigned to this individual provider in the NPPES registry on December 10, 2025.

Where is Irene Rattitham located?

Irene Rattitham practices at 3903 N Us Highway 75 Ste 100, Sherman, TX 75090. The listed phone number is (903) 518-8678.

What is Irene Rattitham's specialty?

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

Is Irene Rattitham enrolled in Medicare?

Yes. Irene Rattitham is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Irene Rattitham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irene Rattitham reassigns Medicare benefits to F Whitworth Corporation (Sherman, TX). The 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 Irene Rattitham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Irene Rattitham accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Irene Rattitham 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 Irene Rattitham was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.