MS. AN THUY HONG NGUYEN PA-C
NPI 1134899818
Physician Assistant in Saint Louis, MO

Active since September 15, 2021PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
621 S NEW BALLAS RD STE 560A, SAINT LOUIS, MO 63141(314) 251-6440 Get Directions Write a Review

NPPES record last updated: September 13, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 24, 2021, Sep 15, 2021 (2 updates tracked since 2021).

About Ms. An Thuy Hong Nguyen Pa-c NPPES

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

MS. AN THUY HONG NGUYEN PA-C (NPI 1134899818) is an individual physician assistant in Saint Louis, Missouri, licensed in Missouri (2022038139) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with Hshs St Elizabeth's Hospital, and is a graduate of University Of Texas Medical Branch At Galveston (2021).

NPPES Registry Identity

NPI1134899818
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. AN THUY HONG NGUYENCredential: PA-C
Location Address621 S NEW BALLAS RD STE 560ASaint Louis, MO 63141-8261
Mailing Address621 S New Ballas Rd Ste 560aSaint Louis, MO 63141-8261 · (314) 251-6440
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2021
Enumeration DateSeptember 15, 2021
Last NPPES UpdateSeptember 13, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2023
NPI 1134899818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses Licensed in MO · 2022038139 Licensed in IL · 085008595
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
621 S NEW BALLAS RD STE 560A, Saint Louis, MO 63141

Accepted Insurance

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. An Thuy Hong Nguyen Pa-c 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 ID547658486
PECOS Enrollment IDI20211027000505, I20230926000519
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.

Hospital Affiliations CMS Care Compare 2

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

Hshs St Elizabeth's Hospital

Acute Care Hospitals · O Fallon, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140187
LocationOne St Elizabeth BoulevardO Fallon, IL 62269 · St. Clair County
Emergency services Birthing friendly

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost94.69

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.

Nurse Practitioner (Family)
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141
Physician Assistant
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141
Surgery
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141
Surgery
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141
Physician Assistant
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141
Physician Assistant
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141
Surgery (Trauma Surgery)
621 S NEW BALLAS RD STE 560A
SAINT LOUIS, MO 63141

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 An Nguyen's NPI number?

The NPI number for An Nguyen is 1134899818. It was assigned to this individual provider in the NPPES registry on September 15, 2021.

Where is An Nguyen located?

An Nguyen practices at 621 S New Ballas Rd Ste 560A, Saint Louis, MO 63141. The listed phone number is (314) 251-6440.

What is An Nguyen's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is An Nguyen enrolled in Medicare?

Yes. An 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.

What insurance does An Nguyen accept?

Health plans from Medica list An 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 An Nguyen affiliated with any hospitals?

According to CMS data, An Nguyen is affiliated with Hshs St Elizabeth's Hospital and Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for An Nguyen was last updated on September 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.