ALLISON SCHILLER
NPI 1720893068
Nurse Practitioner - Acute Care in Katy, TX
About Allison Schiller NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON SCHILLER (NPI 1720893068) is an individual acute care provider in Katy, Texas, licensed in Texas (1004387) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and is a graduate of Other (2024).
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
Allison Schiller 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
2Medicare enrollment records show Allison Schiller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Katy, TX 77493
- Reassigned Medicare billing, Texas enrollment
- 30 clinicians in this Medicare group
Houston, TX 77004
- Reassigned Medicare billing, Texas enrollment
- 96 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.
Memorial Hermann Katy Hospital
Acute Care Hospitals · Katy, TXHouston Methodist West Hospital
Acute Care Hospitals · Houston, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77493 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KATY, TX 77493
KATY, TX 77493
KATY, TX 77493
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 Allison Schiller's NPI number?
The NPI number for Allison Schiller is 1720893068. It was assigned to this individual provider in the NPPES registry on February 12, 2025.
Where is Allison Schiller located?
Allison Schiller practices at 1331 W Grand Pkwy N Ste 130, Katy, TX 77493. The listed phone number is (281) 392-3401.
What is Allison Schiller's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Allison Schiller enrolled in Medicare?
Yes. Allison Schiller 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 Allison Schiller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Schiller reassigns Medicare benefits to 2 organizations: Memorial City Cardiology Associates PA (Katy, TX) and Houston Cardiovascular Assoc PA (Houston, 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 Allison Schiller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Schiller accept?
Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Allison Schiller 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 Allison Schiller affiliated with any hospitals?
According to CMS data, Allison Schiller is affiliated with Memorial Hermann Katy Hospital and Houston Methodist West Hospital.
When was this NPI record last updated?
The NPPES record for Allison Schiller was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.