THIEU P NGUYEN M.D.
NPI 1942400239
Pediatrics - Pediatric Cardiology in St Petersburg, FL

Active since July 24, 2007PECOS EnrolledAccepts Medicare Assignment
601 5TH ST S, ST PETERSBURG, FL 33701(727) 767-3333 Get Directions Write a Review

NPPES record last updated: April 27, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thieu P Nguyen M.d. NPPES

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

THIEU P NGUYEN M.D. (NPI 1942400239) is an individual pediatric cardiology provider in St Petersburg, Florida, licensed in Florida (ME107832) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1942400239
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameTHIEU P NGUYENCredential: M.D.
Location Address601 5TH ST SSt Petersburg, FL 33701-4804
Mailing Address601 5th St SSt Petersburg, FL 33701-4804 · (727) 767-3333
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJuly 24, 2007
Last NPPES UpdateApril 27, 2017
✔ NPI 1942400239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in FL · ME107832
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
601 5TH ST S, St Petersburg, FL 33701

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thieu P Nguyen 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 ID4789772708
PECOS Enrollment IDI20101019000979
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Thieu Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
501 6TH AVE S
St Petersburg, FL 33701
  • Reassigned Medicare billing, Florida enrollment
  • 360 clinicians in this Medicare group
Multi-Specialty
10140 CENTURION PKWY N, THE NEMOURS FOUNDATION
Jacksonville, FL 32256
  • Reassigned Medicare billing, Florida enrollment
  • 703 clinicians in this Medicare group

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

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.

Pediatrics (Pediatric Endocrinology)
601 5TH ST S
ST PETERSBURG, FL 33701
Pediatrics (Neonatal-Perinatal Medicine)
601 5TH ST S
SAINT PETERSBURG, FL 33701
Pediatrics (Pediatric Hematology-Oncology)
601 5TH ST S
ST PETERSBURG, FL 33701
Nurse Practitioner (Pediatrics)
601 5TH ST S, SUITE 605
ST PETERSBURG, FL 33701
Nurse Practitioner (Pediatrics)
601 5TH ST S
ST PETERSBURG, FL 33701
Nurse Anesthetist, Certified Registered
601 5TH ST S
ST PETERSBURG, FL 33701
Neurological Surgery
601 5TH ST S, 5TH FLOOR
ST PETERSBURG, FL 33701
Pediatrics (Pediatric Pulmonology)
601 5TH ST S, STE 708 DEPT 3012
SAINT PETERSBURG, FL 33701

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 Thieu Nguyen's NPI number?

The NPI number for Thieu Nguyen is 1942400239. It was assigned to this individual provider in the NPPES registry on July 24, 2007.

Where is Thieu Nguyen located?

Thieu Nguyen practices at 601 5th St S, St Petersburg, FL 33701. The listed phone number is (727) 767-3333.

What is Thieu Nguyen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Thieu Nguyen enrolled in Medicare?

Yes. Thieu Nguyen 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.

Which organizations bill Medicare for Thieu Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thieu Nguyen reassigns Medicare benefits to 2 organizations: Pediatric Physician Services, Inc. (St Petersburg, FL) and The Nemours Foundation (Jacksonville, FL). Each 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 Thieu Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thieu Nguyen accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Thieu Nguyen 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 Thieu Nguyen was last updated on April 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.