MS. MARGARET ELIZABETH VILLARREAL CRNA
NPI 1306822598
Nurse Anesthetist, Certified Registered in Dallas, TX
About Ms. Margaret Elizabeth Villarreal Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARGARET ELIZABETH VILLARREAL CRNA (NPI 1306822598) is an individual nurse anesthetist, certified registered in Dallas, Texas, licensed in Texas (644157) and active in the NPI registry since December 2005. She is affiliated with Baylor Scott And White Surgical Hospital At Sherma and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
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
Ms. Margaret Elizabeth Villarreal Crna 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
10Medicare enrollment records show Margaret Villarreal reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Addison, TX 75001
- Reassigned Medicare billing, Texas enrollment
- 513 clinicians in this Medicare group
Dallas, TX 75243
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Konen & Associates, P.A.
- 25 clinicians in this Medicare group
Richardson, TX 75082
- Reassigned Medicare billing, Texas enrollment
- 130 clinicians in this Medicare group
Frisco, TX 75034
- Reassigned Medicare billing, Texas enrollment
- 22 clinicians in this Medicare group
Flower Mound, TX 75022
- Reassigned Medicare billing, Texas enrollment
- 710 clinicians in this Medicare group
Mckinney, TX 75069
- Reassigned Medicare billing, Texas enrollment
- 125 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 clinicians in this Medicare group
Sherman, TX 75090
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
Decatur, TX 76234
- Reassigned Medicare billing, Texas enrollment
- 4 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Texas enrollment
- 432 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 3
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.
Baylor Scott And White Surgical Hospital At Sherma
Acute Care Hospitals · Sherman, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75240
DALLAS, TX 75240
DALLAS, TX 75240
DALLAS, TX 75240
DALLAS, TX 75240
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 Margaret Villarreal's NPI number?
The NPI number for Margaret Villarreal is 1306822598. It was assigned to this individual provider in the NPPES registry on December 19, 2005.
Where is Margaret Villarreal located?
Margaret Villarreal practices at 13737 Noel Road Suite 1400, Dallas, TX 75240. The listed phone number is (972) 715-5000.
What is Margaret Villarreal's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Margaret Villarreal enrolled in Medicare?
Yes. Margaret Villarreal 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 Margaret Villarreal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Villarreal reassigns Medicare benefits to 10 organizations: Orthomed Staffing LLC (Addison, TX), Konen & Associates, PA (Dallas, TX), Spine Team Texas, PA (Richardson, TX), Illume Anesthesia PLLC (Frisco, TX), Endo Sedation LLC (Flower Mound, TX) and 5 more organizations, listed in the Medicare section above. 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 Margaret Villarreal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Villarreal accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Harbor Health, Molina Healthcare and Oscar Insurance Company and 1 other insurer list Margaret Villarreal 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 Margaret Villarreal affiliated with any hospitals?
According to CMS data, Margaret Villarreal is affiliated with Baylor Scott And White Surgical Hospital At Sherma.
When was this NPI record last updated?
The NPPES record for Margaret Villarreal was last updated on May 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Ms. Margaret Elizabeth Villarreal, CRNA · NPI 1306822598
Nurse Anesthetist, Certified Registered physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since December 19, 2005.
## Identity
- **NPI:** 1306822598 (Entity type: Individual)
- **Enumerated:** December 19, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 644157 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 13737 NOEL ROAD, SUITE 1400, Dallas, TX 75240-2004
- **Phone:** (972) 715-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Orthomed Staffing LLC (NPI 1225514276, Addison, TX); Konen & Associates, PA (NPI 1508144999, Dallas, TX); Spine Team Texas, PA (NPI 1710376074, Richardson, TX); Illume Anesthesia PLLC (NPI 1114625902, Frisco, TX); Endo Sedation LLC (NPI 1114270931, Flower Mound, TX); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** May 21, 2014
- **Other identifiers:** Other P00957382 (TX); Medicaid 161038803 (TX); Other 85325U (TX); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1306822598) · Data from the CMS NPPES public registry.