Quick answers
- Where does Roger M. Lyons see patients?
- Medicare's clinician data lists 3 practice locations, including San Antonio, TX, Richardson, TX and Dallas, TX. Call before your visit to confirm the address.
- What is Roger M. Lyons's specialty?
- Medicare lists Hematology as the primary specialty, and also Internal Medicine and Medical Oncology.
- Does Roger M. Lyons accept Medicare assignment?
- Medicare's clinician data says Roger M. Lyons may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Roger M. Lyons's NPI number?
- 1508838285. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Roger M. Lyons is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 NE Loop, 410 Suite 600San Antonio, TX 78216
- 3001 E President George Bush Hwy, Suite 100Richardson, TX 75082
- PO Box, Suite 911242Dallas, TX 75391
Specialties
- Hematologyprimary
- Internal Medicinealso
- Medical Oncologyalso
Other hematologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1967 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1508838285 |
| 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
- 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