Quick answers
- Does Collin Q. Rounsavall accept Medicare assignment?
- Yes. Medicare's clinician data says Collin Q. Rounsavall 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 Collin Q. Rounsavall's NPI number?
- 1326877457. 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 Collin Q. Rounsavall is enrolled with Medicare (CMS data updated October 2, 2026).
- 1607 Hwy 1 SGreenville, MS 38701 (662) 378‑2085
Group practices
Medicare enrollment lists Collin Q. Rounsavall as a member of this group (CMS data updated October 2, 2026).
- 20 20 Eye World of Greenville LLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Greenville
Clinicians with the same Medicare primary specialty in Greenville, MS — not a recommendation.
Other clinicians in 20 20 Eye World of Greenville LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Southern College Of Optometry |
| Graduation year | 2024 (2 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326877457 |
| 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