Hayley Elizabeth Hicks Walker, M.D.
Internal Medicine Physician · Houston, TX
Hayley Elizabeth Hicks Walker, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1275953606, issued on Apr 24, 2014. Check the license (Texas S6088, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hayley Elizabeth Hicks Walker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- S6088 TX
MD458692 PA
MT205773 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1504 Taub Loop, Houston, TX 77030
- Phone
- (713) 873-8890
- Enumerated
- Apr 24, 2014
- Record last updated
- Dec 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20200625000594); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1504 Taub Loop
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hayley Elizabeth Hicks Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S6088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
26 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Baylor College OF MedicineHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hayley Elizabeth Hicks Walker among 9,175 internal medicine physician records in Texas
Hayley Elizabeth Hicks Walker, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Barry Goodfriend, MDHouston, TX 770301588666218
- Betty Halpern, MDHouston, TX 770301942292685
Common questions
What is Hayley Elizabeth Hicks Walker, M.D.'s NPI number?
Hayley Elizabeth Hicks Walker, M.D.'s National Provider Identifier (NPI) is 1275953606, issued on Apr 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Hayley Elizabeth Hicks Walker, M.D. located?
The NPPES record lists a practice address at 1504 Taub Loop, Houston, TX, 77030. Phone: (713) 873-8890. Providers update this record themselves, so call before visiting.
How can I verify Hayley Elizabeth Hicks Walker, M.D.'s license?
NPPES lists Texas license number S6088, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hayley Elizabeth Hicks Walker, M.D. prescribe under Medicare Part D?
In 2024, Hayley Elizabeth Hicks Walker, M.D. had 26 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Hayley Elizabeth Hicks Walker, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.