1. Home
  2. Directory
  3. Hawaii
  4. Hilo
  5. Clinic Center
  6. NPI Profile

THU NGUYEN , MD, LLC
NPI 1558476382
Clinic/Center in Hilo, HI

Active since August 20, 2006CLIA 12D1057830 · Waiver
868 ULULANI ST, SUITE 105, HILO, HI 96720(808) 961-5522(808) 961-0006 Get Directions Write a Review

NPPES record last updated: February 6, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thu Nguyen , Md, Llc NPPES

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

THU NGUYEN , MD, LLC (NPI 1558476382) is a healthcare organization registered as a clinic/center in Hilo, Hawaii and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through August 21, 2028 and lists Thu Nguyen, Owner, as its authorized official.

NPPES Registry Identity

NPI1558476382
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameTHU NGUYEN , MD, LLC
Location Address868 ULULANI ST, SUITE 105Hilo, HI 96720-3913
Mailing Address868 Ululani St, Suite 105Hilo, HI 96720-3913 · (808) 961-5522 · Fax (808) 961-0006
Phone(808) 961-5522
Fax(808) 961-0006
Organization SubpartNo
Authorized OfficialThu NguyenOwner · (808) 961-5522
Enumeration DateAugust 20, 2006
Last NPPES UpdateFebruary 6, 2008
✔ NPI 1558476382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
868 ULULANI ST, Hilo, HI 96720
Open in Google Maps ↗

Other Identifiers 4

Medicare PINH101812HI
Other08743802HI · Hmsa
Medicare UPING64643HI
Medicaid08743802HI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thu Nguyen , Md, Llc 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 Thu Nguyen , MD, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thu Nguyen, MD
Internal Medicine
NPI 1831137447
868 ULULANI ST SUITE 105
Hilo, HI 96720
(808) 961-5522
✔ PECOS✔ Accepts MedicareSame 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 12D1057830

Thu Nguyen MD LLC · Hilo, HI
Active · expires Aug 21, 2028
CLIA Number12D1057830
Laboratory TypePhysician Office
Certificate Effective DateAugust 22, 2026
Certificate Expiration DateAugust 21, 2028
Laboratory DirectorThu Nguyen
Laboratory Phone(808) 961-5522
Laboratory LocationThu Nguyen MD LLC868 Ululani St #105, Hilo, HI 96720
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 Thu Nguyen , MD, LLC's NPI number?

The NPI number for Thu Nguyen , MD, LLC is 1558476382. It was assigned to this organization in the NPPES registry on August 20, 2006.

Where is Thu Nguyen , MD, LLC located?

Thu Nguyen , MD, LLC is located at 868 Ululani St Suite 105, Hilo, HI 96720. The listed phone number is (808) 961-5522.

What is Thu Nguyen , MD, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Thu Nguyen , MD, LLC enrolled in Medicare?

Yes. Thu Nguyen , MD, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Thu Nguyen , MD, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Thu Nguyen , MD, LLC. 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 Thu Nguyen , MD, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 12D1057830) is associated with this NPI, valid through August 21, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Thu Nguyen , MD, LLC was last updated on February 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.