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HIEU T. NGUYEN M.D.
NPI 1962455741
Internal Medicine - Infectious Disease in Decatur, GA

Active since May 19, 2006PECOS EnrolledAccepts Medicare Assignment
96.08/100
CMS Quality Rating
2665 N DECATUR RD, SUITE 330, DECATUR, GA 30033(404) 297-9755(404) 297-5008 Get Directions Write a Review

NPPES record last updated: October 4, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Hieu T. Nguyen M.d. NPPES

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

HIEU T. NGUYEN M.D. (NPI 1962455741) is an individual infectious disease provider in Decatur, Georgia, licensed in Georgia (033163) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and maintains a secondary practice location in Spartanburg.

NPPES Registry Identity

NPI1962455741
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameHIEU T. NGUYENCredential: M.D.
Location Address2665 N DECATUR RD, SUITE 330Decatur, GA 30033-6149
Mailing Address2665 N Decatur Rd, Suite 330Decatur, GA 30033-6149 · (404) 297-9755 · Fax (404) 297-5008
Phone(404) 297-9755
Fax(404) 297-5008
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1985
Enumeration DateMay 19, 2006
Last NPPES UpdateOctober 4, 2022
NPPES CertifiedOctober 4, 2022
✔ NPI 1962455741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in GA · 033163✔ Licensed in SC · 87737
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
2665 N DECATUR RD, Decatur, GA 30033
Open in Google Maps ↗

Secondary Practice Location 1

Location 1101 E Wood StSpartanburg, SC 29303-3040 · Phone (864) 560-6806 · Fax (864) 560-7329

Other Identifiers 1

Medicaid00439601AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc..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

Hieu T. 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 ID6406983949
PECOS Enrollment IDI20230913003558
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 Hieu Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gulf Coast Infectious Diseases Inc
284 mi
Infectious Disease
2120 E JOHNSON AVE
Pensacola, FL 32514
  • Reassigned Medicare billing, Florida enrollment
  • 17 clinicians in this Medicare group
NPI 1437109733 (850) 549-4755
Nautilus Health Care Group LLC
446 mi
Undersea and Hyperbaric Medicine
250 N WICKHAM RD
Melbourne, FL 32935
  • Reassigned Medicare billing, Florida enrollment
  • 123 clinicians in this Medicare group
NPI 1912013558 (321) 676-2012

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
33 services24 patients

Hospital Affiliations CMS Care Compare 2

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

Sacred Heart Hospital

Acute Care Hospitals · Pensacola, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100025
Location5151 N 9th AvePensacola, FL 32504 · Escambia County
Emergency services Birthing friendly

Baptist Hospital

Acute Care Hospitals · Pensacola, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100093
Location123 Baptist WayPensacola, FL 32503 · Escambia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30033 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
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

96.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality92.17
Promoting Interoperability100
Improvement Activities40

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.

DR. SARAH ELIZABETH DEROSSETT M.D., PHD.
Psychiatry & Neurology (Neurology)
2665 N DECATUR RD, STE 630
DECATUR, GA 30033
Dekalb County (404) 294-3040
MARSHALL L. NASH M.D.
Psychiatry & Neurology (Neurology)
2665 N DECATUR RD, SUITE 540
DECATUR, GA 30033
Dekalb County (404) 508-4008
KENNETH MELBY M.D.
Internal Medicine (Pulmonary Disease)
2665 N DECATUR RD, SUITE 430
DECATUR, GA 30033
Dekalb County (404) 294-4018
DR. ANNEMAREI RANTA M.D.
Psychiatry & Neurology (Neurology)
2665 N DECATUR RD, STE 630
DECATUR, GA 30033
Dekalb County (404) 294-3040
DR. ELEANOR M. HO MD, MPH
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2665 N DECATUR RD, SUITE 750
DECATUR, GA 30033
Dekalb County (770) 279-3838
GULZAR B. KASSAM, MD, P.C.
Obstetrics & Gynecology (Obstetrics)
2665 N DECATUR RD, SUITE 255
DECATUR, GA 30033
Dekalb County (678) 904-1150
JOSE FERNANDO ARISTIZABAL MD
Internal Medicine (Pulmonary Disease)
2665 N DECATUR RD, SUITE 430
DECATUR, GA 30033
Dekalb County (404) 294-4018
DR. DAVID CLAUDE SNYDER M.D.
Internal Medicine (Pulmonary Disease)
2665 N DECATUR RD, SUITE 430
DECATUR, GA 30033
Dekalb County (404) 294-4018

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 Hieu Nguyen's NPI number?

The NPI number for Hieu Nguyen is 1962455741. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Hieu Nguyen located?

Hieu Nguyen practices at 2665 N Decatur Rd Suite 330, Decatur, GA 30033. The listed phone number is (404) 297-9755.

What is Hieu Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Hieu Nguyen enrolled in Medicare?

Yes. Hieu 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 Hieu Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hieu Nguyen reassigns Medicare benefits to 2 organizations: Gulf Coast Infectious Diseases Inc (Pensacola, FL) and Nautilus Health Care Group LLC (Melbourne, 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 Hieu Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hieu Nguyen accept?

Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Hieu 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.

Is Hieu Nguyen affiliated with any hospitals?

According to CMS data, Hieu Nguyen is affiliated with Sacred Heart Hospital and Baptist Hospital.

When was this NPI record last updated?

The NPPES record for Hieu Nguyen was last updated on October 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.