NPPES file of Aug 9, 2026

Maria Kelly Walker, OD

Optometrist · Houston, TX

Maria Kelly Walker, OD is an optometrist with a practice address in Houston, Texas, and NPI 1902196876, issued on Apr 13, 2011. Check the license (Texas 8771, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902196876
Name
Maria Kelly Walker
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
8771 TX
8771T TX
Self-reported in NPPES; status is on the state search
Practice location
4401 Martin Luther King Blve, Houston, TX 77204
Phone
(713) 743-2020
Enumerated
Apr 13, 2011
Record last updated
May 11, 2022
Fax
(713) 743-0963
Medicaid IDs
112409104 TX
339290401 TX
Medicare enrollment
Enrolled (PECOS I20141015002000); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Maria Kelly Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 8771
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Industry payments in 2024: $2,089.09

32 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Walker$2,089.09
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF Houston SystemHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria Kelly Walker among 5,006 optometrist records in Texas

Maria Kelly Walker, OD is one of 5,006 optometrist records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 54% of them.

  • NPI issued2011 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2013 · median 2010 among the 2,894 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

770 optometrist records list a practice address in Houston

They are 770 of the 61,221 NPPES records with a practice address in Houston, and 5,006 optometrist records in Texas.

The 8 optometrist records with the nearest ZIP codes

  1. Robert Bailey, O.D.Houston, TX 772041932102621
  2. Jan Bergmanson, O.D.Houston, TX 772041902809627
  3. D. Black, O.D.Houston, TX 772041508869215
  4. Roger Boltz, OD.Houston, TX 772041316940950
  5. Han Cheng, O.D.Houston, TX 772041083617682
  6. Karen Fern, O.D.Houston, TX 772041912900317
  7. Amber Giannoni, O.D.Houston, TX 772041689677064
  8. Ralph Herring, O.D.Houston, TX 772041417950841

Common questions

What is Maria Kelly Walker, OD's NPI number?

Maria Kelly Walker, OD's National Provider Identifier (NPI) is 1902196876, issued on Apr 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Maria Kelly Walker, OD located?

The NPPES record lists a practice address at 4401 Martin Luther King Blve, Houston, TX, 77204. Phone: (713) 743-2020. Providers update this record themselves, so call before visiting.

How can I verify Maria Kelly Walker, OD's license?

NPPES lists Texas license number 8771, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.