DAVID WARREN CRNA
NPI 1275924417
Nurse Anesthetist, Certified Registered in Corsicana, TX
About David Warren Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID WARREN CRNA (NPI 1275924417) is an individual nurse anesthetist, certified registered in Corsicana, Texas, licensed in Texas (AP127410) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS, is affiliated with Navarro Regional Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 5
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
David Warren 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
16Medicare enrollment records show David Warren reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Corsicana, TX 75110
- Reassigned Medicare billing, Texas enrollment
- 100 clinicians in this Medicare group
Ennis, TX 75119
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,044 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Texas enrollment
- 1,164 clinicians in this Medicare group
Fort Worth, TX 76104
- Reassigned Medicare billing, Texas enrollment
- 509 clinicians in this Medicare group
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Jacksonville, TX 75766
- Reassigned Medicare billing, Texas enrollment
- 409 clinicians in this Medicare group
Jacksonville, TX 75766
- Reassigned Medicare billing, Texas enrollment
- 8 clinicians in this Medicare group
Granbury, TX 76048
- Reassigned Medicare billing, Texas enrollment
- 123 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Navarro Regional Hospital
Acute Care Hospitals · Corsicana, TXMedical City Plano
Acute Care Hospitals · Plano, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75110 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CORSICANA, TX 75110
CORSICANA, TX 75110
CORSICANA, TX 75110
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 David Warren's NPI number?
The NPI number for David Warren is 1275924417. It was assigned to this individual provider in the NPPES registry on February 10, 2015.
Where is David Warren located?
David Warren practices at 3201 W State Highway 22, Corsicana, TX 75110. The listed phone number is (903) 654-6800.
What is David Warren's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is David Warren enrolled in Medicare?
Yes. David Warren 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 David Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Warren reassigns Medicare benefits to 16 organizations: Navarro Emergency Physicians PLLC (Corsicana, TX), Encompass Anesthesia Partners LLC (Ennis, TX), Century Integrated Partners, Inc (Dallas, TX), Northstar Anesthesia, PA (Arlington, TX), Sound Physicians Anesthesiology Of Texas PLLC (Fort Worth, TX) and 11 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 David Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Warren 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 6 other insurers list David Warren 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 David Warren affiliated with any hospitals?
According to CMS data, David Warren is affiliated with Navarro Regional Hospital and Medical City Plano.
When was this NPI record last updated?
The NPPES record for David Warren was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# David Warren, CRNA · NPI 1275924417
Nurse Anesthetist, Certified Registered physician in Corsicana, Texas. Individual provider, active in the CMS NPPES registry since February 10, 2015.
## Identity
- **NPI:** 1275924417 (Entity type: Individual)
- **Enumerated:** February 10, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP127410 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3201 W STATE HIGHWAY 22, Corsicana, TX 75110-2450
- **Phone:** (903) 654-6800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 16 organizations under Medicare reassignment (form CMS-855R): Navarro Emergency Physicians PLLC (NPI 1851523252, Corsicana, TX); Encompass Anesthesia Partners LLC (NPI 1861288649, Ennis, TX); Century Integrated Partners, Inc (NPI 1447615711, Dallas, TX); Northstar Anesthesia, PA (NPI 1912978610, Arlington, TX); Sound Physicians Anesthesiology Of Texas PLLC (NPI 1295356277, Fort Worth, TX); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 5, 2025
- **Other identifiers:** Other 859417 (TX); Other P02352188 (TX); Medicaid 345655006 (TX); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1275924417) · Data from the CMS NPPES public registry.