Mark Robert Johnston, A.U.D., CCC-A
NPI 1326295726ActiveIndividual· Audiologist· San Antonio, TX
Audiologist (A.U.D., CCC-A) with Alamo ENT Associates, practicing in San Antonio, Texas. Medicare paid $24,377 for services to 647 patients in 2024.
Overview
| NPI | 1326295726 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | A.U.D., CCC-A |
| Sole proprietor | No |
| NPI issued | Aug 27, 2008 |
| Last updated in NPPES | Aug 27, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Audiologist Primary | 231H00000X | 50770 | 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 - Qualified Audiologist (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 647 |
|---|---|
| Services billed | 1,436 across 3 procedure codes |
| Paid by Medicare | $24,377 |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Qualified Audiologist |
Medical group
- Alamo ENT AssociatesSan Antonio, TX · 4 clinicians
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