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HAYLEY ELIZABETH HICKS WALKER M.D.
NPI 1275953606
Internal Medicine in Houston, TX

Active since April 24, 2014PECOS EnrolledAccepts Medicare Assignment
84.05/100
CMS Quality Rating
1504 TAUB LOOP, HOUSTON, TX 77030(713) 873-8890 Get Directions Write a Review

NPPES record last updated: December 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Hayley Elizabeth Hicks Walker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HAYLEY ELIZABETH HICKS WALKER M.D. (NPI 1275953606) is an individual internal medicine provider in Houston, Texas, licensed in Texas (S6088) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Harris Health System, and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1275953606
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHAYLEY ELIZABETH HICKS WALKERCredential: M.D.
Location Address1504 TAUB LOOPHouston, TX 77030-1608
Mailing Address1504 Taub LoopHouston, TX 77030-1608
Phone(713) 873-8890
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2014
Enumeration DateApril 24, 2014
Last NPPES UpdateDecember 23, 2025
NPPES CertifiedDecember 23, 2025
✔ NPI 1275953606 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · S6088✔ Licensed in PA · MD458692
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License S6088 (TX)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License MT205773 (PA)
1504 TAUB LOOP, Houston, TX 77030
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Secondary Practice Location 1

Location 1333 Cottman AvePhiladelphia, PA 19111-2434 · Phone (215) 728-2844 · Fax (215) 214-1425

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hayley Elizabeth Hicks Walker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779873385
PECOS Enrollment IDI20200625000594
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Harris Health System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450289
Location2525 Holly HallHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.05/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.49
Improvement Activities40
Cost54.39

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ZAVEN SARGSYAN MD
Internal Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-8890
KAYE-ANN ANTONETTE CHRISTIE PA-C
Physician Assistant
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-2000
EMILY MARIE WEBSTER PA-C
Physician Assistant
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-8890
DR. MIGUEL A NIETO D.O.
Emergency Medicine
1504 TAUB LOOP, EMERGENCY CENTER
HOUSTON, TX 77030
Harris County (713) 873-7045
DR. LOUIS BRUNO FORNAGE MD
Emergency Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-3060
EMMA NAPOLI
Internal Medicine (Infectious Disease)
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-2309
DR. MICHELE TROUTMAN GIFFORD MD
Obstetrics & Gynecology
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 798-1750
DR. KYLE SUEN M.D.
Emergency Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-8890

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hayley Walker's NPI number?

The NPI number for Hayley Walker is 1275953606. It was assigned to this individual provider in the NPPES registry on April 24, 2014.

Where is Hayley Walker located?

Hayley Walker practices at 1504 Taub Loop, Houston, TX 77030. The listed phone number is (713) 873-8890.

What is Hayley Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hayley Walker enrolled in Medicare?

Yes. Hayley Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Hayley Walker accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice and Molina Healthcare list Hayley Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Hayley Walker affiliated with any hospitals?

According to CMS data, Hayley Walker is affiliated with Harris Health System.

When was this NPI record last updated?

The NPPES record for Hayley Walker was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.