Quick answers
- Which hospitals does Steven Walker work at?
- Medicare's official clinician data lists Steven Walker at 1 hospital: Memorial Hermann Memorial City Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven Walker see patients?
- Medicare's clinician data lists 4 practice locations, including Dallas, TX, Tomball, TX and Houston, TX. Call before your visit to confirm the address.
- What is Steven Walker's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
- Does Steven Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Steven Walker 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 Steven Walker?
- (817) 887-0017, as listed in official Medicare / NPI Registry data.
- What is Steven Walker's NPI number?
- 1649465584. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven Walker works
Medicare's Facility Affiliation Data lists Steven Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hermann Memorial City HospitalHouston, TX · Acute Care Hospital · CCN 450610
Practice locations
Addresses where Steven Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 17855 Dallas Pkwy, Suite 300aDallas, TX 75287 (817) 887‑0017
- 455 School St, Suite 30Tomball, TX 77375 (281) 357‑0747
- 915 Gessner Rd, Suite 100Houston, TX 77024 (713) 242‑2222
- 921 Gessner RdHouston, TX 77024
Group practices
Medicare enrollment lists Steven Walker as a member of these groups (CMS data updated 2026-10-02).
- Memorial Hermann Medical Group762 clinicians in the group
- Seasons Medical Group of Texas PLLC3 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649465584 |
| 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