MR. MARK A HORNSBY CRNA
NPI 1881653079
Nurse Anesthetist, Certified Registered in Denver City, TX
About Mr. Mark A Hornsby Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK A HORNSBY CRNA (NPI 1881653079) is an individual nurse anesthetist, certified registered in Denver City, Texas, licensed in Texas (AP112316) and active in the NPI registry since March 2006.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Mr. Mark A Hornsby Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mark Hornsby reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver City, TX 79323
- Reassigned Medicare billing, Texas enrollment
- 60 clinicians in this Medicare group
Southlake, TX 76092
- Reassigned Medicare billing, Texas enrollment
- 447 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER CITY, TX 79323
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 Mark Hornsby's NPI number?
The NPI number for Mark Hornsby is 1881653079. It was assigned to this individual provider in the NPPES registry on March 17, 2006.
Where is Mark Hornsby located?
Mark Hornsby practices at 412 Mustang Dr, Denver City, TX 79323. The listed phone number is (806) 592-2121.
What is Mark Hornsby's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mark Hornsby enrolled in Medicare?
Yes. Mark Hornsby is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Hornsby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hornsby reassigns Medicare benefits to 2 organizations: County Of Yoakum (Denver City, TX) and Texas Anesthesia Partners, PLLC (Southlake, 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 Mark Hornsby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Hornsby accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare and Molina Healthcare list Mark Hornsby 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 Mark Hornsby was last updated on June 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.