Mark Robert Johnston, AUD, CCC-A

Audiologist in San Antonio, Texas · NPI 1326295726

Mark Johnston is one of 36 audiologists practicing in San Antonio, Texas. Mark Johnston practices with Alamo ENT Associates.

Registry record (NPPES)

NPI
1326295726
Type
Type 1 · Individual
Primary taxonomy
Audiologist · 231H00000X
Address on file
19026 Stone Oak Pkwy
San Antonio, TX 78258
(210) 545-0404
Enumerated
Aug 27, 2008
Record last updated
Aug 27, 2008
License states listed
TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Qualified Audiologist
Revalidation due
No date set by CMS

The registry stops here. NPivot keeps going.

  • Part D prescribing
  • Procedure volumes by CPT code
  • Group affiliations and colleagues
  • Full enrollment history
See the full profile free Free account. No card, no call.

Practice locations

More audiologists in San Antonio

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.