Quick answers
- Which hospitals does Allison L. Schiller work at?
- Medicare's official clinician data lists Allison L. Schiller at 2 hospitals: Houston Methodist West Hospital and Memorial Hermann Katy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allison L. Schiller see patients?
- Medicare's clinician data lists 4 practice locations, including Sealy, TX, Katy, TX and Cypress, TX. Call before your visit to confirm the address.
- What is Allison L. Schiller's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Allison L. Schiller accept Medicare assignment?
- Yes. Medicare's clinician data says Allison L. Schiller accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Allison L. Schiller?
- (281) 392-3401, as listed in official Medicare / NPI Registry data.
- What is Allison L. Schiller's NPI number?
- 1720893068. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allison L. Schiller works
Medicare's Facility Affiliation Data lists Allison L. Schiller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist West HospitalHouston, TX · Acute Care Hospital · CCN 670077
- Memorial Hermann Katy HospitalKaty, TX · Acute Care Hospital · CCN 450847
Practice locations
Addresses where Allison L. Schiller is enrolled with Medicare (CMS data updated 2026-10-02).
- 1036 N Circle DrSealy, TX 77474 (281) 392‑3401
- 1036 N Circle Dr, Memorial Katy Cardiology AssociatesSealy, TX 77474 (281) 392‑3401
- 1331 W Grand Pkwy NKaty, TX 77493 (281) 392‑3401
- 25282 Northwest Fwy, Suite 250Cypress, TX 77429 (281) 392‑3401
Group practices
Medicare enrollment lists Allison L. Schiller as a member of these groups (CMS data updated 2026-10-02).
- Houston Cardiovascular Assoc PA82 clinicians in the group
- Memorial City Cardiology Associates PA28 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sealy
Clinicians with the same Medicare primary specialty in Sealy, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720893068 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians