Quick answers
- Does Roger R. Selouan accept Medicare assignment?
- Yes. Medicare's clinician data says Roger R. Selouan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Roger R. Selouan see?
- In 2024, CMS data shows 3,899 Original Medicare patients and 4,630 services for Roger R. Selouan. This counts Original Medicare only and measures volume, not quality.
- What is Roger R. Selouan's NPI number?
- 1306081518. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Roger R. Selouan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 3,899 |
|---|---|
| Services billed to Medicare | 4,630 |
| Different services or procedures | 86 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ct scan head or brain without contrast (70450)1,532 services
- Ct scan of upper spine without contrast (72125)271 services
- Mri scan of lower spinal canal without contrast (72148)263 services
- Ct scan of blood vessels of neck with contrast (70498)236 services
- Mri scan of brain before and after contrast (70553)178 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Ischemic heart disease48%
- Diabetes38%
- Anxiety38%
Hospitals where Roger R. Selouan works
Medicare's Facility Affiliation Data lists Roger R. Selouan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Houston Methodist HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450358
- Houston Methodist Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450820
- Houston Methodist The Woodlands HospitalThe Woodlands, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 670122
- Houston Methodist West HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 670077
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
Practice locations
Addresses where Roger R. Selouan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 17201 Interstate 45 SShenandoah, TX 77385 (281) 206‑9020
- 18220 State Hwy 249Houston, TX 77070 (281) 206‑9020
- 18300 Houston Methodist DrHouston, TX 77058 (281) 206‑9020
- 18500 Katy FwyHouston, TX 77094 (281) 206‑9020
- 24500 Northwest FwyCypress, TX 77429 (281) 206‑9020
Group practices
Medicare enrollment lists Roger R. Selouan as a member of this group (CMS data updated October 2, 2026).
- Houston Radiology Associated108 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Shenandoah
Clinicians with the same Medicare primary specialty in Shenandoah, TX — not a recommendation.
Other clinicians in Houston Radiology Associated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306081518 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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