WILLOWCHASE MEDICAL PLLC
NPI 1558976035
Internal Medicine in Houston, TX

Q: What is Willowchase Medical PLLC's NPI number?

The NPI number for Willowchase Medical PLLC is 1558976035. It was assigned to this organization in the NPPES registry on September 11, 2020.

Q: What is Willowchase Medical PLLC's specialty?

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

Active since September 11, 2020CLIA 45D2209796 · Waiver

11427 JONES RD, HOUSTON, TX 77070(281) 748-9516 Get Directions Write a Review

NPPES record last updated: March 18, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 18, 2021, Feb 9, 2021, Nov 30, 2020 and 1 more (4 updates tracked since 2020).

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About Willowchase Medical Pllc NPPES

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

WILLOWCHASE MEDICAL PLLC (NPI 1558976035) is a healthcare organization registered as an internal medicine in Houston, Texas and active in the NPI registry since September 2020. The organization holds a CLIA Waiver certificate valid through January 15, 2027 and lists Kim Nguyen, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1558976035

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameWILLOWCHASE MEDICAL PLLC

Location Address11427 JONES RDHouston, TX 77070-6309

Mailing Address11427 Jones RdHouston, TX 77070-6309 · (281) 469-4690 · Fax (877) 800-2908

Phone(281) 748-9516

Organization SubpartNo

Authorized OfficialKim NguyenOffice Manager · (281) 469-4690

Enumeration DateSeptember 11, 2020

Last NPPES UpdateMarch 18, 20214 updates tracked since enumeration

NPPES CertifiedMarch 18, 2021

✔ NPI 1558976035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

11427 JONES RD, Houston, TX 77070

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Willowchase Medical Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Willowchase Medical PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Anthony Phi, M.D.

Internal Medicine

NPI 1013913581

11427 JONES RD
Houston, TX 77070

(281) 469-4690

✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D2209796

Willowchase Medical PLLC · Houston, TX

Active · expires Jan 15, 2027

CLIA Number45D2209796

Laboratory TypePhysician Office

Certificate Effective DateJanuary 16, 2025

Certificate Expiration DateJanuary 15, 2027

Laboratory DirectorAnthony H. Phi

Laboratory Phone(281) 469-4690

Laboratory LocationWillowchase Medical PLLC11427 Jones Rd, Houston, TX 77070

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Willowchase Medical PLLC's NPI number?

The NPI number for Willowchase Medical PLLC is 1558976035. It was assigned to this organization in the NPPES registry on September 11, 2020.

Where is Willowchase Medical PLLC located?

Willowchase Medical PLLC is located at 11427 Jones Rd, Houston, TX 77070. The listed phone number is (281) 748-9516.

What is Willowchase Medical PLLC's specialty?

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

Is Willowchase Medical PLLC enrolled in Medicare?

Yes. Willowchase Medical PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Willowchase Medical PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Willowchase Medical PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Willowchase Medical PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2209796) is associated with this NPI, valid through January 15, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Willowchase Medical PLLC was last updated on March 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.