Haley Nt Nguyen
- Part D claims, 2024
- 1,889
- Industry payments
- $1,503
- Affiliated sites
- 5
- Medical groups
- 5
- Year NPI issued
- 2018
- Practice address
- 661 West First Street, Suite G, Tustin, CA 92780
- Practice phone
- Call (714) 665-9890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Families Together of Orange County
FQHC - Main Site · Tustin, California
Find Haley 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.
Haley Nt Nguyen is a physician assistant in Tustin, California
Haley Nguyen practices at Families Together of Orange County in Tustin, California.
Haley Nguyen's NPI, 1194291484, was assigned on October 15, 2018.
- NPI
- 1194291484NPI Registry (opens in a new tab)
- NPI enumeration date
- October 15, 2018
- NPI status
- Active
- Practice phone
- (714) 665-9890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Haley Nt Nguyen practices at Families Together of Orange County in Tustin, California
Haley Nguyen's primary practice is Families Together of Orange County, at 661 West First Street, Suite G, Tustin, CA 92780. The practice phone is (714) 665-9890.
- Families Together of Orange County661 West First Street, Suite G, Tustin, CA 92780Phone(714) 665-9890
Source: Dmand AI Affiliation Data
Haley Nt Nguyen is affiliated with 5 sites of care and 5 medical groups
Haley Nguyen's primary practice is Families Together of Orange County in Tustin, California. The medical group on file is Families Together of Orange County. Dmand AI also links Haley Nguyen to 4 more group practices and clinics and 4 medical groups, each named with a free account. Haley Nguyen's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Haley Nt Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Haley Nguyen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Families Together of Orange County | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Haley Nt Nguyen is one of 11,482 physician assistants in California
Physician assistant is Haley Nguyen's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Clinical focus
Dmand AI lists acute gastroduodenitis, acute skin infection, arthritis, asthma, chronic kidney disease, chronic nasal allergies, chronic obstructive pulmonary disease (COPD) and contact dermatitis among the conditions Haley Nguyen treats.
Physician assistants near Haley 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
Haley Nt Nguyen's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Haley Nguyen's median patient age at 62, with 70% women.
Haley 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 62
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Haley Nt Nguyen wrote 1,889 Medicare Part D claims in 2024
In 2024, Haley Nguyen wrote 1,889 Medicare Part D claims for 639 patients. 79% of them were for generic drugs. CMS names the drug for 1,499 of them, across 39 drugs with 11 or more claims each, at $299,978 in total drug cost.
Haley Nguyen's Part D claims by kind of drug, 2024
- Generic1,497 claims79%
- Brand-name368 claims19%
- Other24 claims1%
Haley Nguyen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Haley Nguyen's Part D claims, 2024
- Antibiotics2%45 of 1,889 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Haley Nt Nguyen received $1,503 in industry payments from 2024 to 2025
CMS Open Payments shows 38 general payments to Haley Nguyen from 19 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $298.
General payments to Haley Nguyen by program year, 2024 to 2025
Companies that paid Haley Nguyen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Haley Nt 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Haley Nt 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 Haley Nt Nguyen's NPI number?
Haley Nt Nguyen's NPI number is 1194291484. It was assigned on October 15, 2018, and it is active in the NPI Registry.
What does Haley Nt Nguyen specialize in?
Haley Nt Nguyen is a physician assistant in Tustin, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Haley Nt Nguyen practice?
Haley Nguyen practices at 661 West First Street, Suite G, Tustin, CA 92780. Haley Nguyen's primary practice is Families Together of Orange County in Tustin, California. Dmand AI also links Haley Nguyen to 4 group practices and clinics and 4 medical groups.
What is Haley Nt Nguyen's office phone number?
The practice phone on file for Haley Nguyen is (714) 665-9890.
What medical group is Haley Nt Nguyen part of?
Haley Nguyen is linked to Families Together of Orange County. Dmand AI links Haley Nguyen to 4 more medical groups.
What drugs does Haley Nt Nguyen prescribe most?
In 2024 Medicare Part D data, Haley Nguyen's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.
Has Haley Nt Nguyen received payments from drug or device companies?
CMS Open Payments shows $1,503 in general payments to Haley Nguyen from 19 companies from 2024 to 2025. The largest total came from Dexcom, Inc.
How long has Haley Nt Nguyen been practicing?
Haley Nguyen graduated from medical school in 2018, 8 years ago.
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