Quick answers
- Where does Tonya G. Ketcham see patients?
- Medicare's clinician data lists 5 practice locations, including Houston, TX. Call before your visit to confirm the address.
- What is Tonya G. Ketcham's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Tonya G. Ketcham accept Medicare assignment?
- Yes. Medicare's clinician data says Tonya G. Ketcham 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 Tonya G. Ketcham?
- (713) 527-8480, as listed in official Medicare / NPI Registry data.
- What is Tonya G. Ketcham's NPI number?
- 1902809338. 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 Tonya G. Ketcham is enrolled with Medicare (CMS data updated 2026-10-02).
- 190 Heights BlvdHouston, TX 77007 (713) 527‑8480
- 4401 Martin Luther King BlvdHouston, TX 77204 (713) 743‑2020
- 4401 Martin Luther King Blvd, University Eye InstituteHouston, TX 77204
- 4849 Calhoun Rd, Suite 104Houston, TX 77204 (713) 743‑2020
- 4901 Calhoun RdHouston, TX 77204 (713) 743‑2020
Group practices
Medicare enrollment lists Tonya G. Ketcham as a member of this group (CMS data updated 2026-10-02).
- University of Houston System50 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902809338 |
| 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