MICHAEL O SANT MD
NPI 1861478752
Physical Medicine & Rehabilitation in Texarkana, TX
About Michael O Sant Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL O SANT MD (NPI 1861478752) is an individual physical medicine & rehabilitation provider in Texarkana, Texas, licensed in Texas (U2417) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Christus St Michael Health System, and maintains a secondary practice location in Boise.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Michael O Sant Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Michael Sant reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Boise, ID 83706
- Reassigned Medicare billing, Idaho enrollment
- 781 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus St Michael Health System
Acute Care Hospitals · Texarkana, TXReferred Medical Equipment & Supplies CMS DME claims 11
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TEXARKANA, TX 75503
TEXARKANA, TX 75503
TEXARKANA, TX 75503
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 Michael Sant's NPI number?
The NPI number for Michael Sant is 1861478752. It was assigned to this individual provider in the NPPES registry on December 21, 2005.
Where is Michael Sant located?
Michael Sant practices at 2400 Saint Michael Dr, Texarkana, TX 75503. The listed phone number is (903) 614-4440.
What is Michael Sant's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Michael Sant enrolled in Medicare?
Yes. Michael Sant 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 organizations bill Medicare for Michael Sant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Sant reassigns Medicare benefits to 2 organizations: Christus Trinity Clinic Texas (Tyler, TX) and Saint Alphonsus Regional Medical Center Inc (Boise, ID). 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 Michael Sant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Sant accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Michael Sant 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.
Is Michael Sant affiliated with any hospitals?
According to CMS data, Michael Sant is affiliated with Christus St Michael Health System.
When was this NPI record last updated?
The NPPES record for Michael Sant was last updated on March 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.