Quick answers
- Does Stephen Tester accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen Tester accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Stephen Tester's NPI number?
- 1710654421. 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 Stephen Tester is enrolled with Medicare (CMS data updated October 2, 2026).
- 2055 E Windmill Ln, Suite 105Las Vegas, NV 89123 (702) 731‑2233
- 3445 W Craig Rd, Suite ANorth Las Vegas, NV 89032 (702) 840‑2020
Group practices
Medicare enrollment lists Stephen Tester as a member of these groups (CMS data updated October 2, 2026).
- Gammoh Premier Vision LLC4 clinicians in the group
- Christopher Coker Od PLLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Other clinicians in Gammoh Premier Vision LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2019 (7 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710654421 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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