HANNAH CLAIRE ELFERINK STEWART
NPI 1316814783
Nurse Practitioner - Acute Care in Round Rock, TX
About Hannah Claire Elferink Stewart NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH CLAIRE ELFERINK STEWART (NPI 1316814783) is an individual acute care provider in Round Rock, Texas, licensed in Texas (1001740) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS, is affiliated with Ascension Seton Williamson, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
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
Hannah Claire Elferink Stewart 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 Hannah Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 104 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Seton Williamson
Acute Care Hospitals · Round Rock, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78665 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROUND ROCK, TX 78665
ROUND ROCK, TX 78665
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 Hannah Stewart's NPI number?
The NPI number for Hannah Stewart is 1316814783. It was assigned to this individual provider in the NPPES registry on October 21, 2025.
Where is Hannah Stewart located?
Hannah Stewart practices at 201 Seton Pkwy, Round Rock, TX 78665. The listed phone number is (409) 739-0477.
What is Hannah Stewart's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Hannah Stewart enrolled in Medicare?
Yes. Hannah Stewart 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 Hannah Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Stewart reassigns Medicare benefits to Usacs Critical Care Medicine Services Of Texas, PLLC (Cedar Park, 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 Hannah Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hannah Stewart accept?
Health plans from Blue Cross and Blue Shield of Texas and Sendero Health Plans, Local Nonprofit list Hannah Stewart 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 Hannah Stewart affiliated with any hospitals?
According to CMS data, Hannah Stewart is affiliated with Ascension Seton Williamson.
When was this NPI record last updated?
The NPPES record for Hannah Stewart was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Hannah Claire Elferink Stewart · NPI 1316814783
Acute Care physician in Round Rock, Texas. Individual provider, active in the CMS NPPES registry since October 21, 2025.
## Identity
- **NPI:** 1316814783 (Entity type: Individual)
- **Enumerated:** October 21, 2025
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 1001740 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 201 SETON PKWY, Round Rock, TX 78665-8000
- **Phone:** (409) 739-0477
## 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:** Usacs Critical Care Medicine Services Of Texas, PLLC (NPI 1023522554, Cedar Park, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** February 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1316814783) · Data from the CMS NPPES public registry.