HOWARD H. NGUYEN D.O. PA
NPI 1548405103
Family Medicine in Dallas, TX

Active since December 11, 2008
2261 SINGLETON BLVD, 101, DALLAS, TX 75212(214) 630-9559(214) 630-4992 Get Directions Write a Review

NPPES record last updated: December 11, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Howard H. Nguyen D.o. Pa NPPES

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

HOWARD H. NGUYEN D.O. PA (NPI 1548405103) is a healthcare organization registered as a family medicine in Dallas, Texas and active in the NPI registry since December 2008. The organization lists Howard H. Nguyen, Pysician/owner, as its authorized official.

NPPES Registry Identity

NPI1548405103
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameHOWARD H. NGUYEN D.O. PA
Location Address2261 SINGLETON BLVD, 101Dallas, TX 75212-5050
Mailing AddressPo Box 630615Irving, TX 75063-0130 · (214) 630-9559 · Fax (214) 630-4992
Fax(214) 630-4992
Organization SubpartNo
Authorized OfficialHoward H. NguyenPysician/owner · (214) 630-9559
Enumeration DateDecember 11, 2008
✔ NPI 1548405103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · K0959
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2261 SINGLETON BLVD, Dallas, TX 75212

Other Identifiers 3

Other1932174711TX · Npi
Medicare PIN00191DTX
Medicaid121328205TX

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

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Howard H. Nguyen D.o. Pa 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 Howard H. Nguyen D.O. PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Family Practice
NPI 1932174711
2261 SINGLETON BLVD #101
Dallas, TX 75212
(214) 630-9559
✔ PECOS✔ Accepts Medicare0.1 mi

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 45D0948026

Howard Nguyen Do,pa · Dallas, TX
Expired · Oct 5, 2026
CLIA Number45D0948026
Laboratory TypePhysician Office
Certificate Effective DateOctober 6, 2024
Certificate Expiration DateOctober 5, 2026
Laboratory DirectorHoward H. Nguyen
Laboratory Phone(214) 630-9559
Laboratory LocationHoward Nguyen Do,pa2261 Singleton Boulevard Suite 101, Dallas, TX 75212
CLIA data matches this NPI record on: Address 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 Howard H. Nguyen D.O. PA's NPI number?

The NPI number for Howard H. Nguyen D.O. PA is 1548405103. It was assigned to this organization in the NPPES registry on December 11, 2008.

Where is Howard H. Nguyen D.O. PA located?

Howard H. Nguyen D.O. PA is located at 2261 Singleton Blvd 101, Dallas, TX 75212. The listed phone number is (214) 630-9559.

What is Howard H. Nguyen D.O. PA's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Howard H. Nguyen D.O. PA enrolled in Medicare?

Yes. Howard H. Nguyen D.O. PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Howard H. Nguyen D.O. PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Howard H. Nguyen D.O. PA. 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.

What insurance does Howard H. Nguyen D.O. PA accept?

Health plans from Molina Healthcare list Howard H. Nguyen D.O. PA 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.

When was this NPI record last updated?

The NPPES record for Howard H. Nguyen D.O. PA was last updated on December 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.