SADIE CHRISTINE LADDUSAW C-AA
NPI 1831735505
Anesthesiologist Assistant in Austin, TX
About Sadie Christine Laddusaw C-aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SADIE CHRISTINE LADDUSAW C-AA (NPI 1831735505) is an individual anesthesiologist assistant in Austin, Texas, licensed in Texas (32697667) and active in the NPI registry since November 2019. She is affiliated with St Lukes Hospital Of Kansas City and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Sadie Christine Laddusaw C-aa 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 Reassignment
Medicare enrollment records show Sadie Laddusaw reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Austin, TX 78759
- Reassigned Medicare billing, Texas enrollment
- 840 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital Of Kansas City
Acute Care Hospitals · Kansas City, MORound Rock Medical Center
Acute Care Hospitals · Round Rock, TXNorth Austin Medical Center
Acute Care Hospitals · Austin, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUSTIN, TX 78758
AUSTIN, TX 78758
AUSTIN, TX 78758
AUSTIN, TX 78758
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 Sadie Laddusaw's NPI number?
The NPI number for Sadie Laddusaw is 1831735505. It was assigned to this individual provider in the NPPES registry on November 18, 2019. The provider is also known as Sadie Catlett.
Where is Sadie Laddusaw located?
Sadie Laddusaw practices at 12221 N Mopac Expy, Austin, TX 78758. The listed phone number is (512) 901-1000.
What is Sadie Laddusaw's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Sadie Laddusaw enrolled in Medicare?
Yes. Sadie Laddusaw 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 organization bills Medicare for Sadie Laddusaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sadie Laddusaw reassigns Medicare benefits to Austin Anesthesiology Group, PLLC (Austin, TX). The 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 Sadie Laddusaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sadie Laddusaw accept?
Health plans from Blue Cross and Blue Shield of Texas list Sadie Laddusaw 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 Sadie Laddusaw affiliated with any hospitals?
According to CMS data, Sadie Laddusaw is affiliated with St Lukes Hospital Of Kansas City, Round Rock Medical Center and North Austin Medical Center.
When was this NPI record last updated?
The NPPES record for Sadie Laddusaw was last updated on July 9, 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.
# Sadie Christine Laddusaw, C-AA · NPI 1831735505
Anesthesiologist Assistant physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since November 18, 2019.
## Identity
- **NPI:** 1831735505 (Entity type: Individual)
- **Enumerated:** November 18, 2019
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 32697667 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 12221 N MOPAC EXPY, Austin, TX 78758-2401
- **Phone:** (512) 901-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Austin Anesthesiology Group, PLLC (NPI 1598724304, Austin, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** July 9, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1831735505) · Data from the CMS NPPES public registry.