NPI age
20 years
Enumerated 2005-08-18
● Active
Type 1 · Individual
DR. Louis Martin McMahon, O.D.
McMahon is 1 of 8 optometrist providers in El Paso and 1 of 196 in Texas.
Primary specialty
Optometrist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-03-25
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 196 active optometrist providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
3% of peers hold multiple states
Subspecialties
0
25% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-08Enumerated in NPPES
2005
2026
Where they practice
Practice location
9513 Viscount Blvd, Suite B
El Paso, TX 799257025
Mailing address
9513 Viscount Blvd, Suite B
El Paso, TX 799257025
Specialties
-
Optometrist PrimaryThe professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 0459141 | |
| 01 (TX) | 80718Q | BLUE CROSS & BS |
Practice context
Part of a multi-provider practice. 2 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.