Steven Eugene Walker, MD
NPI 1649465584ActiveIndividual· Internal Medicine· San Antonio, TX
Internal Medicine (MD) with Memorial Hermann Medical Group and 1 other group, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $16,212 for 176 claims, against $2,494 paid for services in 2024. Lists Memorial Hermann Memorial City Hospital as a hospital affiliation.
Overview
| NPI | 1649465584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 13, 2007 |
| Last updated in NPPES | Dec 1, 2025 |
| Certified by provider | Dec 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | M7735 | TX |
| Internal Medicine, Hospice and Palliative Medicine | 207RH0002X | M7735 | TX |
| Hospitalist | 208M00000X | M7735 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CO); Practitioner - Internal Medicine (IN); Practitioner - Internal Medicine (MN); Practitioner - Internal Medicine (OR); Practitioner - Internal Medicine (TX); Practitioner - Internal Medicine (WA); Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 25 across 5 procedure codes |
| Paid by Medicare | $2,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 176 · 210 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $16,212 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical groups
- Memorial Hermann Medical GroupSugar Land, TX · 762 clinicians
- Seasons Medical Group of Texas PLLCDallas, TX · 3 clinicians
Hospital affiliation
- Memorial Hermann Memorial City HospitalHouston, TX
Other facilities
- Accentcare Fairview Hospice - West, LLCHospice · Saint Paul, MN
- Accentcare Hospice & Palliative Care of Houston - North, LLCHospice · Houston, TX
- Accentcare Hospice & Palliative Care of Texas -San AntonioHospice · San Antonio, TX
- Preserve Hospice and Palliative Care LLCHospice · Katy, TX
- Vantage HospiceHospice · Houston, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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