KAREN RUTH HAYES CRNA
NPI 1659354025
Nurse Anesthetist, Certified Registered in Dallas, TX
About Karen Ruth Hayes Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN RUTH HAYES CRNA (NPI 1659354025) is an individual nurse anesthetist, certified registered in Dallas, Texas, licensed in Texas (AP111339) and active in the NPI registry since November 2005.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 (PECOS)
Karen Ruth Hayes Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Karen Hayes reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75254
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Allied Anesthesia & Pain Management Consultants, L.L.P.
- 76 clinicians in this Medicare group
Houston, TX 77065
- Reassigned Medicare billing, Texas enrollment
- 964 clinicians in this Medicare group
El Paso, TX 79927
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Tech University Health Sciences Center El Paso
- 856 clinicians in this Medicare group
El Paso, TX 79902
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Erj Medical PA
- 7 clinicians in this Medicare group
El Paso, TX 79911
- Reassigned Medicare billing, Texas enrollment
- 196 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 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
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 Karen Hayes's NPI number?
The NPI number for Karen Hayes is 1659354025. It was assigned to this individual provider in the NPPES registry on November 21, 2005. The provider is also known as Karen Ruth Mireles Crna.
Where is Karen Hayes located?
Karen Hayes practices at 6606 Lbj Fwy Suite 200, Dallas, TX 75240. The listed phone number is (972) 715-5000.
What is Karen Hayes's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Hayes enrolled in Medicare?
Yes. Karen Hayes is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Hayes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hayes reassigns Medicare benefits to 5 organizations: Allied Anesthesia & Pain Management Consultants, LLP (Dallas, TX), Bhs Physicians Network, Inc (Houston, TX), Texas Tech University Health Sciences Center (El Paso, TX), Erj Medical P.A. (El Paso, TX) and El Paso Ams, PLLC (El Paso, TX). 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 Karen Hayes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Hayes accept?
Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, Imperial Insurance Companies, Inc., Oscar Insurance Company and UnitedHealthcare list Karen Hayes 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 Karen Hayes was last updated on March 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Karen Ruth Hayes, CRNA · NPI 1659354025
Nurse Anesthetist, Certified Registered physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since November 21, 2005.
## Identity
- **NPI:** 1659354025 (Entity type: Individual)
- **Enumerated:** November 21, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP111339 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6606 LBJ FWY, SUITE 200, Dallas, TX 75240-6533
- **Phone:** (972) 715-5000 · **Fax:** (972) 715-9976
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Allied Anesthesia & Pain Management Consultants, LLP (NPI 1942327192, Dallas, TX); Bhs Physicians Network, Inc (NPI 1548613128, Houston, TX); Texas Tech University Health Sciences Center (NPI 1588622500, El Paso, TX); Erj Medical P.A. (NPI 1659477701, El Paso, TX); El Paso Ams, PLLC (NPI 1134740202, El Paso, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 20, 2017
- **Other identifiers:** Medicare PIN 8J5418; Medicare UPIN P43863; Medicaid 147557604 (TX); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1659354025) · Data from the CMS NPPES public registry.