An Thuy Hong Nguyen, PA-C
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 22
- Hospital affiliations
- 1
- Industry payments
- $21
- Medical groups
- 4
- Practice address
- 621 S New Ballas Rd, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Clinic Trauma and General Surgery
Saint Louis, Missouri
Find An Nguyen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
An Thuy Hong Nguyen is a physician assistant in Saint Louis, Missouri
An Nguyen practices at Mercy Clinic Trauma and General Surgery in Saint Louis, Missouri.
An Nguyen's NPI, 1134899818, was assigned on September 15, 2021. An Nguyen graduated from University of Texas Medical Branch at Galveston in 2021. An Nguyen holds Missouri license 2022038139.
- NPI
- 1134899818NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547658486
- NPI enumeration date
- September 15, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
An Thuy Hong Nguyen practices at Mercy Clinic Trauma and General Surgery in Saint Louis, Missouri
An Nguyen's primary practice is Mercy Clinic Trauma and General Surgery, at 621 S New Ballas Rd, Saint Louis, MO 63141 in Saint Louis County. The practice phone is (314) 251-6440.
- Mercy Clinic Trauma and General Surgery621 S New Ballas Rd, Saint Louis, MO 63141 · Saint Louis CountyPhone(314) 251-6440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
An Thuy Hong Nguyen is affiliated with 5 sites of care and 4 medical groups
An Nguyen's primary practice is Mercy Clinic Trauma and General Surgery in Saint Louis, Missouri. An Nguyen is also affiliated with Mercy Hospital St. Louis. The medical group on file is Mercy Clinic Trauma and General Surgery. Dmand AI also links An Nguyen to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at An Thuy Hong Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where An Nguyen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Clinic Trauma and General Surgery | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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An Thuy Hong Nguyen is one of 1,484 physician assistants in Missouri
Physician assistant is An Nguyen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has An Nguyen's licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Physician assistant, MissouriPrimary
- Illinois license
Physician assistants near An Nguyen
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
An Thuy Hong Nguyen treated 25 Medicare patients in 2024, average age 75
CMS counts 25 Medicare patients who saw An Nguyen in 2024. 75% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts An Nguyen's median patient age at 56, with 55% women.
Chronic conditions among An Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Arthritis48%
Share of Medicare patients with each condition. A patient can have several.
An Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
An Thuy Hong Nguyen wrote 22 Medicare Part D claims in 2024
In 2024, An Nguyen wrote 22 Medicare Part D claims for 20 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How An Thuy Hong Nguyen takes part in Medicare
An Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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An Thuy Hong Nguyen received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to An Nguyen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Davol Inc. paid the most, $21.
Companies that paid An Nguyen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
An Thuy Hong Nguyen graduated from University of Texas Medical Branch at Galveston
An Nguyen graduated from University of Texas Medical Branch at Galveston in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for An Thuy Hong Nguyen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about An Thuy Hong Nguyen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is An Thuy Hong Nguyen's NPI number?
An Thuy Hong Nguyen's NPI number is 1134899818. It was assigned on September 15, 2021, and it is active in the NPI Registry.
What does An Thuy Hong Nguyen specialize in?
An Thuy Hong Nguyen is a physician assistant in Saint Louis, Missouri. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does An Thuy Hong Nguyen practice?
An Nguyen practices at 621 S New Ballas Rd, Saint Louis, MO 63141. An Nguyen's primary practice is Mercy Clinic Trauma and General Surgery in Saint Louis, Missouri. Dmand AI also links An Nguyen to 3 group practices and clinics and 3 medical groups.
What is An Thuy Hong Nguyen's office phone number?
The practice phone on file for An Nguyen is (314) 251-6440.
What is An Thuy Hong Nguyen's medical license number?
An Nguyen holds Missouri license 2022038139, one of the licenses on file in 2 states.
Which states has An Thuy Hong Nguyen been licensed in?
Dmand AI has state licenses on file for An Nguyen in Missouri and Illinois.
Which hospitals is An Thuy Hong Nguyen affiliated with?
An Nguyen is affiliated with Mercy Hospital St. Louis.
What medical group is An Thuy Hong Nguyen part of?
An Nguyen is linked to Mercy Clinic Trauma and General Surgery. Dmand AI links An Nguyen to 3 more medical groups.
Does An Thuy Hong Nguyen accept Medicare?
Yes. CMS lists An Nguyen as accepting Medicare assignment.
How many Medicare patients does An Thuy Hong Nguyen see?
CMS counts 25 Medicare patients who saw An Nguyen in 2024, with an average age of 75.
Show 3 more questionsShow fewer questions
Where did An Thuy Hong Nguyen go to medical school?
An Nguyen graduated from University of Texas Medical Branch at Galveston in 2021.
Has An Thuy Hong Nguyen received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to An Nguyen from 1 company from 2025 to 2025. The largest total came from Davol Inc.
How long has An Thuy Hong Nguyen been practicing?
An Nguyen graduated from medical school in 2021, 5 years ago.
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