MS. MARGARET T NGUYEN AA
NPI 1790704682
Anesthesiologist Assistant in Atlanta, GA

Q: What is Margaret Nguyen's NPI number?

The NPI number for Margaret Nguyen is 1790704682. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Q: What is Margaret Nguyen's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Nguyen was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 July 19, 2006Accepts Medicare Assignment

92.26/100

CMS Quality Rating

5665 PEACHTREE DUNWOODY RD, ATLANTA, GA 30342(678) 843-7324 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 28, 2026, Aug 26, 2019, Jun 3, 2019 (3 updates tracked since 2019).

On this page

About Ms. Margaret T Nguyen Aa NPPES

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

MS. MARGARET T NGUYEN AA (NPI 1790704682) is an individual anesthesiologist assistant in Atlanta, Georgia, licensed in Georgia (4383) and active in the NPI registry since July 2006. She is affiliated with Saint Joseph's Hospital Of Atlanta, Inc and is a graduate of Emory University School Of Medicine (2004).

NPPES Registry Identity

NPI1790704682

Entity TypeIndividualFemale

Primary Taxonomy367H00000X

Provider Legal NameMS. MARGARET T NGUYENCredential: AA

Location Address5665 PEACHTREE DUNWOODY RDAtlanta, GA 30342-1764

Mailing Address5671 Peachtree Dunwoody Rd Ste 530Atlanta, GA 30342-5005 · (404) 257-1415

Phone(678) 843-7324

Sole ProprietorNo

Medical School CMSEmory University School Of MedicineGraduated 2004

Enumeration DateJuly 19, 2006

Last NPPES UpdateJanuary 28, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 28, 2026

✔ NPI 1790704682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367H00000X

License✔ Licensed in GA · 4383

Definition

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

5665 PEACHTREE DUNWOODY RD, Atlanta, GA 30342

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Other Identifiers 2

Medicaid832486291GA

Medicaid832486291BGA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Margaret T Nguyen Aa 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 ID8022072230

PECOS Enrollment IDI20041117000670

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Saint Joseph's Hospital Of Atlanta, Inc

Acute Care Hospitals · Atlanta, GA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110082

Location5665 Peachtree Dunwoody RoadAtlanta, GA 30342 · Fulton County

Emergency services

Emory Johns Creek Hospital

Acute Care Hospitals · Johns Creek, GA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number110230

Location6325 Hospital ParkwayJohns Creek, GA 30097 · Gwinnett County

Emergency services Birthing friendly

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.

92.26/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

73.83

Promoting Interoperability

100

Improvement Activities

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.

ASHLEY SCHADE PAAA

Anesthesiologist Assistant

5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 30342

Fulton County (706) 543-3449

ALLEN YEN MD

Radiology (Radiation Oncology)

5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 30342

Fulton County (404) 778-1900

PRINCE N MARTIN

Emergency Medicine

5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 30342

Fulton County (678) 843-7001

JONAH SINGER PA-C

Physician Assistant

5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 30342

Fulton County (678) 843-7001

STEPHEN COLE TURNER RN

Registered Nurse (Critical Care Medicine)

5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 30342

Fulton County (678) 843-7001

JANISE PHILLIPS

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

5665 PEACHTREE DUNWOODY RD
SANDY SPRINGS, GA 30342

Fulton County (678) 843-7109

DEAJAH GREENE FNP

Nurse Practitioner (Family)

5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 30342

Fulton County (678) 843-7001

BRANDILYNN GROLL LUNSFORD AA-C

Anesthesiologist Assistant

5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 30342

Fulton County (678) 843-7324

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 Margaret Nguyen's NPI number?

The NPI number for Margaret Nguyen is 1790704682. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Margaret Nguyen located?

Margaret Nguyen practices at 5665 Peachtree Dunwoody Rd, Atlanta, GA 30342. The listed phone number is (678) 843-7324.

What is Margaret Nguyen's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Margaret Nguyen enrolled in Medicare?

Yes. Margaret 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.

Is Margaret Nguyen affiliated with any hospitals?

According to CMS data, Margaret Nguyen is affiliated with Saint Joseph's Hospital Of Atlanta, Inc and Emory Johns Creek Hospital.

When was this NPI record last updated?

The NPPES record for Margaret Nguyen was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.