MACKENZIE D SULLIVAN CRNA
NPI 1023525532
Nurse Anesthetist, Certified Registered in Del Rio, TX
About Mackenzie D Sullivan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACKENZIE D SULLIVAN CRNA (NPI 1023525532) is an individual nurse anesthetist, certified registered in Del Rio, Texas, licensed in Texas (AP136337) and active in the NPI registry since January 2018. She is affiliated with Val Verde Regional Medical Center, maintains a secondary practice location in San Antonio, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
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
Mackenzie D Sullivan 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
4Medicare enrollment records show Mackenzie Sullivan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Del Rio, TX 78840
- Reassigned Medicare billing, Texas enrollment
- 103 clinicians in this Medicare group
Boerne, TX 78015
- Reassigned Medicare billing, Texas enrollment
- 2,397 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
Keller, TX 76248
- Reassigned Medicare billing, Texas enrollment
- 710 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
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.
Val Verde Regional Medical Center
Acute Care Hospitals · Del Rio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78840 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.
DEL RIO, TX 78840
DEL RIO, TX 78840
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 Mackenzie Sullivan's NPI number?
The NPI number for Mackenzie Sullivan is 1023525532. It was assigned to this individual provider in the NPPES registry on January 5, 2018. The provider is also known as Mackenzie D. Irvin.
Where is Mackenzie Sullivan located?
Mackenzie Sullivan practices at 801 N Bedell Ave, Del Rio, TX 78840. The listed phone number is (830) 778-3781.
What is Mackenzie Sullivan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mackenzie Sullivan enrolled in Medicare?
Yes. Mackenzie Sullivan 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 Mackenzie Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Sullivan reassigns Medicare benefits to 4 organizations: Val Verde Hospital Corporation (Del Rio, TX), University Of Texas Health Science Center At San Antonio (Boerne, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX) and Endo Sedation LLC (Keller, 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 Mackenzie Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mackenzie Sullivan 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 3 other insurers list Mackenzie Sullivan 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 Mackenzie Sullivan affiliated with any hospitals?
According to CMS data, Mackenzie Sullivan is affiliated with Val Verde Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Mackenzie Sullivan was last updated on November 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mackenzie D Sullivan, CRNA · NPI 1023525532
Nurse Anesthetist, Certified Registered physician in Del Rio, Texas. Individual provider, active in the CMS NPPES registry since January 5, 2018.
## Identity
- **NPI:** 1023525532 (Entity type: Individual)
- **Enumerated:** January 5, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP136337 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 N BEDELL AVE, Del Rio, TX 78840-4112
- **Phone:** (830) 778-3781
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Val Verde Hospital Corporation (NPI 1730851585, Del Rio, TX); University Of Texas Health Science Center At San Antonio (NPI 1417921834, Boerne, TX); U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Endo Sedation LLC (NPI 1588931174, Keller, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** November 30, 2022
- **Other identifiers:** Medicaid 380723201 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1023525532) · Data from the CMS NPPES public registry.