Quick answers
- Does Marc R. Sanders accept Medicare assignment?
- Yes. Medicare's clinician data says Marc R. Sanders 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.
- How many Medicare patients does Marc R. Sanders see?
- In 2024, CMS data shows 578 Original Medicare patients and 2,165 services for Marc R. Sanders. This counts Original Medicare only and measures volume, not quality.
- What is Marc R. Sanders's NPI number?
- 1508855529. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marc R. Sanders, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 578 |
|---|---|
| Services billed to Medicare | 2,165 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Measurement of corneal curvature and depth of eye (92136)281 services
- Removal of cataract with insertion of prosthetic lens (66984)225 services
- Established patient complete exam of visual system (92014)202 services
- Imaging of retina (92134)175 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)147 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure68%
- Arthritis44%
- Ischemic heart disease26%
- Diabetes22%
- Osteoporosis22%
Practice locations
Addresses where Marc R. Sanders is enrolled with Medicare (CMS data updated October 2, 2026).
- 3405 Edloe St, Suite 300Houston, TX 77027 (713) 797‑1500
- 4401 Martin Luther King BlvdHouston, TX 77204 (713) 743‑2020
Group practices
Medicare enrollment lists Marc R. Sanders as a member of these groups (CMS data updated October 2, 2026).
- University of Houston System50 clinicians in the group
- Marc R. Sanders, M.D., P.A.5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in University of Houston System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508855529 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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