Heather Dayna Nguyen, NPC
- Medicare services, 2024
- 301
- Medicare patients, 2024
- 73
- Part D claims, 2024
- 437
- Industry payments
- $4,866
- Affiliated sites
- 2
- Practice address
- 24541 Pacific Park Dr, Aliso Viejo, CA 92656
- Practice phone
- Call (949) 644-0101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Dermatology
Aliso Viejo, California
Find Heather 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.
Heather Dayna Nguyen is a gerontology nurse practitioner in Aliso Viejo, California
Heather Nguyen practices at Southern California Dermatology in Aliso Viejo, California.
Heather Nguyen's NPI, 1497125447, was assigned on October 3, 2015. Heather Nguyen holds California license 95003406.
- NPI
- 1497125447NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082917109
- NPI enumeration date
- October 3, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 644-0101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Heather Dayna Nguyen practices at Southern California Dermatology in Aliso Viejo, California
Heather Nguyen's primary practice is Southern California Dermatology, at 24541 Pacific Park Dr, Aliso Viejo, CA 92656 in Orange County. The practice phone is (949) 644-0101.
- Southern California Dermatology24541 Pacific Park Dr, Aliso Viejo, CA 92656 · Orange CountyPhone(949) 644-0101
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Heather Dayna Nguyen is affiliated with 3 sites of care and 4 medical groups
Heather Nguyen's primary practice is Southern California Dermatology in Aliso Viejo, California. The medical group on file is West Dermatology. Dmand AI also links Heather Nguyen to 3 more medical groups and 2 group practices and clinics, 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 Heather Dayna Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Heather Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Dermatology | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Heather Dayna Nguyen is one of 477 gerontology nurse practitioners in California
Gerontology is Heather Nguyen's primary specialty in the NPI Registry, under taxonomy code 363LG0600X. Heather Nguyen is licensed in California.
Specialties and state licenses
- Gerontology nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists contact dermatitis, minor injury to a limb and skin cyst among the conditions Heather Nguyen treats.
Gerontology nurse practitioners near Heather Nguyen
Counts of gerontology nurse practitioners 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
Heather Dayna Nguyen billed Medicare for 301 services in 2024
CMS data shows 301 Medicare services from Heather Nguyen across 7 procedure codes in 2024, for 73 Medicare patients. Medicare paid $12,169 for them. Every service was in an office.
Heather Nguyen's Medicare services by type, 2024
- Surgery232
- Office and hospital visits69
Heather Nguyen compared with the California median for gerontology nurse practitioners, 2024
- Heather Nguyen
- California median
- Medicare services
- 301vs 3185% below
- Medicare patients
- 73vs 10027% below
- Part D claims
- 370vs 47522% below
Medians across 270 gerontology nurse practitioners in California with Dmand AI profiles that report each measure.
Heather Nguyen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Heather Nguyen and other gerontology nurse practitioners in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Heather Dayna Nguyen treated 73 Medicare patients in 2024, average age 73
CMS counts 73 Medicare patients who saw Heather Nguyen in 2024. The largest group is 65 to 74, with 44 patients. 74% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Heather Nguyen's median patient age at 51, with 53% women.
Heather Nguyen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Heather Nguyen's Medicare patients by sex, 2024
- Women3852%
- Men3548%
Chronic conditions among Heather Nguyen's Medicare patients, 2024
- High cholesterol74%
- High blood pressure63%
- Arthritis40%
- Ischemic heart disease25%
- Cancer21%
- Chronic kidney disease15%
Share of Medicare patients with each condition. A patient can have several.
Heather 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 51
Patient panel by sex, all payers
- Women53%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Heather Dayna Nguyen wrote 437 Medicare Part D claims in 2024
In 2024, Heather Nguyen wrote 437 Medicare Part D claims for 185 patients. 84% of them were for generic drugs. CMS names the drug for 370 of them, across 11 drugs with 11 or more claims each, at $78,932 in total drug cost.
Heather Nguyen's Part D claims by kind of drug, 2024
- Generic366 claims84%
- Brand-name71 claims16%
Heather 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 Heather Nguyen's Part D claims, 2024
- Antibiotics4%18 of 437 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
How Heather Dayna Nguyen takes part in Medicare
Heather 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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Heather Dayna Nguyen received $4,866 in industry payments from 2024 to 2025
CMS Open Payments shows 121 general payments to Heather Nguyen from 23 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 96% of the total. UCB, Inc. paid the most, $570.
General payments to Heather Nguyen by program year, 2024 to 2025
General payments to Heather Nguyen by kind, 2024 to 2025
- Food and beverage$4,66696%
- Education$2004%
Companies that paid Heather 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 Heather Dayna 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| 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 Heather Dayna 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 Heather Dayna Nguyen's NPI number?
Heather Dayna Nguyen's NPI number is 1497125447. It was assigned on October 3, 2015, and it is active in the NPI Registry.
What does Heather Dayna Nguyen specialize in?
Heather Dayna Nguyen is a gerontology nurse practitioner in Aliso Viejo, California. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Heather Dayna Nguyen practice?
Heather Nguyen practices at 24541 Pacific Park Dr, Aliso Viejo, CA 92656. Heather Nguyen's primary practice is Southern California Dermatology in Aliso Viejo, California. Dmand AI also links Heather Nguyen to 3 medical groups and 2 group practices and clinics.
What is Heather Dayna Nguyen's office phone number?
The practice phone on file for Heather Nguyen is (949) 644-0101.
What is Heather Dayna Nguyen's medical license number?
Heather Nguyen holds California license 95003406.
What medical group is Heather Dayna Nguyen part of?
Heather Nguyen is linked to West Dermatology. Dmand AI links Heather Nguyen to 3 more medical groups.
Does Heather Dayna Nguyen accept Medicare?
Yes. CMS data shows Heather Nguyen billed Medicare for 301 services in 2024, and Heather Nguyen accepts Medicare assignment.
How many Medicare patients does Heather Dayna Nguyen see?
CMS counts 73 Medicare patients who saw Heather Nguyen in 2024, with an average age of 73.
What services does Heather Dayna Nguyen bill to Medicare?
In 2024, Heather Nguyen's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).
What drugs does Heather Dayna Nguyen prescribe most?
In 2024 Medicare Part D data, Heather Nguyen's most prescribed drugs by claims were Triamcinolone Acetonide, Tacrolimus and Fluocinonide.
Has Heather Dayna Nguyen received payments from drug or device companies?
CMS Open Payments shows $4,866 in general payments to Heather Nguyen from 23 companies from 2024 to 2025. The largest total came from UCB, Inc.
How long has Heather Dayna Nguyen been practicing?
Heather Nguyen graduated from medical school in 2015, 11 years ago.
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