Quick answers
- Where does Andrew D. Warren see patients?
- Medicare's clinician data lists 2 practice locations, including Gainesville, TX and Sanger, TX. Call before your visit to confirm the address.
- What is Andrew D. Warren's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Andrew D. Warren accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew D. Warren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Andrew D. Warren?
- (940) 668-7500, as listed in official Medicare / NPI Registry data.
- What is Andrew D. Warren's NPI number?
- 1023203981. 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 Andrew D. Warren is enrolled with Medicare (CMS data updated 2026-10-02).
- 311 E California StGainesville, TX 76240 (940) 668‑7500
- 410 Bolivar StSanger, TX 76266 (940) 458‑3937
Group practices
Medicare enrollment lists Andrew D. Warren as a member of these groups (CMS data updated 2026-10-02).
- Gainesville Eye Care3 clinicians in the group
- Sanger Eye Care, PLLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Gainesville
Clinicians with the same Medicare primary specialty in Gainesville, TX — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | University Of Houston - College Of Optometry |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023203981 |
| 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 2026-10-02, retrieved 2026-10-29
- 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