DR. IRENE LUISA PRATHER MD
NPI 1851327209
Family Medicine - Hospice and Palliative Medicine in Mount Vernon, TX
About Dr. Irene Luisa Prather Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IRENE LUISA PRATHER MD (NPI 1851327209) is an individual hospice and palliative medicine provider in Mount Vernon, Texas, licensed in Texas (F4587) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Dallas.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Other Identifiers 2
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)
Dr. Irene Luisa Prather Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Irene Prather reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75247
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Vitas Health Services Of Texas PA
- 30 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75457 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Prather's NPI number?
The NPI number for Irene Prather is 1851327209. It was assigned to this individual provider in the NPPES registry on June 25, 2006. The provider is also known as Irene Luisa Valenzuela M.D..
Where is Irene Prather located?
Irene Prather practices at 506 Hwy 37 S, Mount Vernon, TX 75457. The listed phone number is (903) 537-8222.
What is Irene Prather's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207QH0002X.
Is Irene Prather enrolled in Medicare?
Yes. Irene Prather is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Irene Prather's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Prather reassigns Medicare benefits to Vitas Health Services Of Texas, P.A. (Dallas, 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 Prather's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irene Prather accept?
Health plans from UnitedHealthcare list Irene Prather 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 Prather was last updated on June 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Dr. Irene Luisa Prather, MD · NPI 1851327209
Hospice and Palliative Medicine physician in Mount Vernon, Texas. Individual provider, active in the CMS NPPES registry since June 25, 2006.
## Identity
- **NPI:** 1851327209 (Entity type: Individual)
- **Enumerated:** June 25, 2006
- **Primary specialty:** Family Medicine - Hospice and Palliative Medicine · taxonomy 207QH0002X
- **State license:** F4587 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 506 HWY 37 S, Mount Vernon, TX 75457-6550
- **Phone:** (903) 537-8222 · **Fax:** (903) 537-8223
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Vitas Health Services Of Texas, P.A. (NPI 1740566017, Dallas, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 10, 2022
- **Other identifiers:** Medicaid 127802006 (TX); Other P00023453
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Source: [NPI Profile](https://npiprofile.com/npi/1851327209) · Data from the CMS NPPES public registry.