DR. VIEN XUAN NGUYEN MD
NPI 1477654358
Internal Medicine in Lawrenceville, GA

Q: What is Vien Nguyen's NPI number?

The NPI number for Vien Nguyen is 1477654358. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Q: What is Vien Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Vien Nguyen was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.

Active since September 26, 2006PECOS EnrolledAccepts Medicare Assignment

4850 SUGARLOAF PKWY STE 101, LAWRENCEVILLE, GA 30044(678) 490-8300(415) 252-7176 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Vien Xuan Nguyen Md NPPES

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

DR. VIEN XUAN NGUYEN MD (NPI 1477654358) is an individual internal medicine provider in Lawrenceville, Georgia, licensed in Georgia (58111) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Northside Hospital Forsyth, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1477654358

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. VIEN XUAN NGUYENCredential: MD

Location Address4850 SUGARLOAF PKWY STE 101Lawrenceville, GA 30044-2860

Mailing Address1 Embarcadero Ctr Fl 19San Francisco, CA 94111-3628 · Fax (415) 252-7176

Phone(678) 490-8300

Fax(415) 252-7176

Sole ProprietorYes

Medical School CMSOtherGraduated 2002

Enumeration DateSeptember 26, 2006

Last NPPES UpdateAugust 7, 2025

NPPES CertifiedAugust 7, 2025

✔ NPI 1477654358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in GA · 58111

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.

4850 SUGARLOAF PKWY STE 101, Lawrenceville, GA 30044

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.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

Dr. Vien Xuan Nguyen Md 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 ID4880691724

PECOS Enrollment IDI20061107000086

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

Medicare enrollment records show Vien Nguyen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Iora Health Georgia, P.C.

Same address

Internal Medicine

4850 SUGARLOAF PKWY STE 101
Lawrenceville, GA 30044

Reassigned Medicare billing, Georgia enrollment
Medicare enrollment name: Iora Health Georgia PC
38 clinicians in this Medicare group

NPI 1700370475 (888) 663-6331

Iora Senior Health, LLC

0.1 mi

Internal Medicine

4850 SUGARLOAF PKWY STE 101
Lawrenceville, GA 30044

Reassigned Medicare billing, Georgia enrollment
37 clinicians in this Medicare group

NPI 1336628908 (678) 490-8300

Hospitalist Medicine Healthcare LLC

1,485 mi

Hospitalist

2200 E SHOW LOW LAKE RD
Show Low, AZ 85901

Reassigned Medicare billing, Arizona enrollment
39 clinicians in this Medicare group

NPI 1639594351 (928) 537-7011

Tuba City Regional Health Care Corporation

1,510 mi

Family Medicine

10 MILES NE OF SR264 MP362, ROCKY RIDGE SCHOOL STREET
Kykotsmovi, AZ 86039

Reassigned Medicare billing, Texas enrollment
540 clinicians in this Medicare group

NPI 1396921870 (928) 283-2781

Kingman Healthcare, Inc

1,705 mi

General Acute Care Hospital

3269 N STOCKTON HILL RD
Kingman, AZ 86409

Reassigned Medicare billing, Arizona enrollment
418 clinicians in this Medicare group

NPI 1265423917 (928) 681-8655

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

112 services34 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

54 services16 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

16 services16 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Northside Hospital Forsyth

Acute Care Hospitals · Cumming, GA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110005

Location1200 Northside Forsyth DriveCumming, GA 30041 · Forsyth County

Birthing friendly

Northside Hospital Gwinnett

Acute Care Hospitals · Lawrenceville, GA

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110087

Location1000 Medical Center BoulevardLawrenceville, GA 30046 · Gwinnett County

Birthing friendly

Piedmont Eastside Medical Center

Acute Care Hospitals · Snellville, GA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number110192

Location1700 Medical WaySnellville, GA 30078 · Gwinnett County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30044 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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers50 claims50 services$17.52 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier11 claims11 services$6.10 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

4 suppliers76 claims76 services$88.12 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims12 services$30.87 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARGARET GRIFA M.D.

Family Medicine