Quick answers
- Where does Mark L. Mayo see patients?
- Medicare's clinician data lists 2 practice locations, including Pasadena, TX and Bellaire, TX. Call before your visit to confirm the address.
- What is Mark L. Mayo's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Mark L. Mayo accept Medicare assignment?
- Yes. Medicare's clinician data says Mark L. Mayo 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 Mark L. Mayo?
- (281) 977-8888, as listed in official Medicare / NPI Registry data.
- What is Mark L. Mayo's NPI number?
- 1538144423. 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 Mark L. Mayo is enrolled with Medicare (CMS data updated 2026-10-02).
- 4415 Crenshaw RdPasadena, TX 77504 (281) 977‑8888
- 6565 W Loop SBellaire, TX 77401 (713) 797‑1010
Group practices
Medicare enrollment lists Mark L. Mayo as a member of this group (CMS data updated 2026-10-02).
- Eye Center of Texas LLP19 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538144423 |
| 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