NPI age
20 years
Enumerated 2006-02-06
● Active
Type 1 · Individual
Roger M Lyons, MD
Lyons is 1 of 10 internal medicine providers in San Antonio and 1 of 78 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2018-02-26
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 78 active internal medicine providers in Texas.
NPI age
20 years
↑ 4 yr above median (16 yr)
State licenses
1 state
14% of peers hold multiple states
Subspecialties
0
52% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-02Enumerated in NPPES
2006
2026
Where they practice
Practice location
5206 Research Dr
San Antonio, TX 782405251
Mailing address
Po Box 911230
Dallas, TX 753911230
Specialties
-
Internal Medicine PrimaryAn internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 123593901 | |
| 01 (TX) | P01547613 | RAILROAD MEDICARE |
| 05 (TX) | 123593905 | |
| 01 (TX) | 83Z206 | BCBS |
Practice context
Part of a multi-provider practice. 36 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.