Doctor profile · Federal record
Dr. Maria Walker, OD
Optometrist (CMS: Optometry) · Optometrist · Houston, TX
- NPI 1902196876
- Accepts Medicare
- 13 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4401 Martin Luther King Blve
Houston, TX 772042020
(713) 743-2020
fax (713) 743-0963
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- May 11, 2022
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State licenses (2)
- Texas #8771 · Texas #8771T
- Medicaid (2)
- TX #112409104 · TX #339290401
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902196876. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$2,089
Transactions
32
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tarsus Pharmaceuticals, INC. | 10 | $855.19 | |
| CooperVision INC. | 11 | $534.90 | |
| Alcon Vision LLC | 6 | $368.68 | |
| Glaukos Corporation | 1 | $171.34 | |
| Johnson & Johnson Vision Care, INC. | 4 | $158.98 |
By nature of payment
Frequently asked questions
What is Dr. Maria Walker's medical specialty?
Dr. Maria Walker practices Optometrist in Houston, TX.
Where does Dr. Maria Walker practice?
Dr. Maria Walker practices at 4401 Martin Luther King Blve, Houston, TX 772042020. Office phone: 7137432020.
What is Dr. Maria Walker's NPI?
Dr. Maria Walker's National Provider Identifier (NPI) is 1902196876, issued by NPPES.
Does Dr. Maria Walker accept Medicare assignment?
Yes. Dr. Maria Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.