Catherine Anh-Quyen Nguyen

  • Huntington Beach, CA
  • Physician assistant
NPI1336665975PAC ID2466726658
Medicare services, 2024
911
Medicare patients, 2024
617
Part D claims, 2024
688
MIPS score, 2024
88
Hospital affiliations
2
Practice address
19582 Beach Blvd Ste 180, Huntington Beach, CA 92648
Practice phone
Call (714) 477-8050
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Hoag Urgent Care

Urgent Care - Additional Location · Huntington Beach, California

See all 6 affiliations

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Catherine Anh-Quyen Nguyen is a physician assistant in Huntington Beach, California

Catherine Nguyen practices at Hoag Urgent Care in Huntington Beach, California.

Catherine Nguyen's NPI, 1336665975, was assigned on August 16, 2017. Catherine Nguyen holds California license PA54793.

NPI and contact details
Medicare PAC ID
2466726658
NPI enumeration date
August 16, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 477-8050
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Catherine Anh-Quyen Nguyen practices at Hoag Urgent Care in Huntington Beach, California

Catherine Nguyen's primary practice is Hoag Urgent Care, at 19582 Beach Blvd Ste 180, Huntington Beach, CA 92648. The practice phone is (714) 477-8050.

  • Hoag Urgent Care
    19582 Beach Blvd Ste 180, Huntington Beach, CA 92648Phone(714) 477-8050

Source: Dmand AI Affiliation Data

Catherine Anh-Quyen Nguyen is affiliated with 3 sites of care and 3 medical groups

Catherine Nguyen's primary practice is Hoag Urgent Care in Huntington Beach, California. Catherine Nguyen is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Vituity. Dmand AI also links Catherine Nguyen to 1 more hospital and 2 medical groups, each named with a free account. Catherine Nguyen's employer is on file too: an urgent care center.

See all 6 affiliations for Catherine Nguyen

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Catherine Anh-Quyen Nguyen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hoag Urgent CareAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Catherine Anh-Quyen Nguyen is one of 11,482 physician assistants in California

Physician assistant is Catherine Nguyen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Catherine Nguyen is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA54793 · taxonomy 363A00000X

Clinical focus

Dmand AI lists joint pain among the conditions Catherine Nguyen treats.

Physician assistants near Catherine 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

Catherine Anh-Quyen Nguyen billed Medicare for 911 services in 2024

CMS data shows 911 Medicare services from Catherine Nguyen across 13 procedure codes in 2024, for 617 Medicare patients. Medicare paid $51,807 for them. Every service was in an office.

Medicare services, 2024911
Medicare patients617
Paid by Medicare$51,807
Procedure codes13

Catherine Nguyen's Medicare services by type, 2024

  1. Office and hospital visits621
  2. Lab and pathology245
  3. Tests and treatments33
  4. Imaging12

Catherine Nguyen compared with the California median for physician assistants, 2024

  • Catherine Nguyen
  • California median
Medicare services
911vs 2044.5 times
Medicare patients
617vs 1055.9 times
Part D claims
495vs 2432.0 times

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Catherine 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.

See all procedures by Catherine Nguyen

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Catherine Anh-Quyen Nguyen treated 617 Medicare patients in 2024, average age 76

CMS counts 617 Medicare patients who saw Catherine Nguyen in 2024. The largest group is 75 to 84, with 256 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Catherine Nguyen's median patient age at 51, with 62% women.

Medicare patients, 2024617
Average age76
Average risk score1.20
Also on Medicaid7%

Catherine Nguyen's Medicare patients by age, 2024

Catherine Nguyen's Medicare patients by sex, 2024

  • Women38863%
  • Men22937%

Chronic conditions among Catherine Nguyen's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis51%
  4. Ischemic heart disease29%
  5. Anxiety24%
  6. Osteoporosis24%
  7. Mood disorders22%
  8. Atrial fibrillation21%

Share of Medicare patients with each condition. A patient can have several.

Catherine 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

  • Women62%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Catherine Anh-Quyen Nguyen wrote 688 Medicare Part D claims in 2024

In 2024, Catherine Nguyen wrote 688 Medicare Part D claims for 515 patients. 90% of them were for generic drugs. CMS names the drug for 495 of them, across 16 drugs with 11 or more claims each, at $5,930 in total drug cost.

Part D claims, 2024688
Drugs named by CMS16
Total drug cost$5,930
Part D patients515

Catherine Nguyen's Part D claims by kind of drug, 2024

  • Generic617 claims90%
  • Brand-name and other71 claims10%

Catherine 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 Catherine Nguyen's Part D claims, 2024

  • Antibiotics52%360 of 688 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Catherine Nguyen

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

Catherine Anh-Quyen Nguyen scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Catherine Nguyen for performance year 2024, reported as part of a group. Catherine Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Catherine Nguyen's MIPS scores, performance year 2024

  • 88of 100Final score
  • 84.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Catherine Anh-Quyen Nguyen received $57 in industry payments from 2024 to 2025

CMS Open Payments shows 3 general payments to Catherine Nguyen from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $57.

General payments to Catherine Nguyen by program year, 2024 to 2025

Companies that paid Catherine Nguyen the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Catherine Nguyen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Catherine Anh-Quyen Nguyen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Catherine Anh-Quyen 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 Catherine Anh-Quyen Nguyen's NPI number?

Catherine Anh-Quyen Nguyen's NPI number is 1336665975. It was assigned on August 16, 2017, and it is active in the NPI Registry.

What does Catherine Anh-Quyen Nguyen specialize in?

Catherine Anh-Quyen Nguyen is a physician assistant in Huntington Beach, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Catherine Anh-Quyen Nguyen practice?

Catherine Nguyen practices at 19582 Beach Blvd Ste 180, Huntington Beach, CA 92648. Catherine Nguyen's primary practice is Hoag Urgent Care in Huntington Beach, California. Dmand AI also links Catherine Nguyen to 1 hospital and 2 medical groups.

What is Catherine Anh-Quyen Nguyen's office phone number?

The practice phone on file for Catherine Nguyen is (714) 477-8050.

What is Catherine Anh-Quyen Nguyen's medical license number?

Catherine Nguyen holds California license PA54793.

Which hospitals is Catherine Anh-Quyen Nguyen affiliated with?

Catherine Nguyen is affiliated with Hoag Hospital Newport Beach. Dmand AI links Catherine Nguyen to 1 more hospital.

What medical group is Catherine Anh-Quyen Nguyen part of?

Catherine Nguyen is linked to Vituity. Dmand AI links Catherine Nguyen to 2 more medical groups.

Does Catherine Anh-Quyen Nguyen accept Medicare?

Yes. CMS data shows Catherine Nguyen billed Medicare for 911 services in 2024, and Catherine Nguyen accepts Medicare assignment.

What is Catherine Anh-Quyen Nguyen's MIPS score?

Catherine Nguyen's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Catherine Anh-Quyen Nguyen see?

CMS counts 617 Medicare patients who saw Catherine Nguyen in 2024, with an average age of 76.

Show 4 more questionsShow fewer questions

What services does Catherine Anh-Quyen Nguyen bill to Medicare?

In 2024, Catherine Nguyen's most billed Medicare services were office visit, established patient (99213), lab and pathology test (81003) and office visit, new patient (99203).

What drugs does Catherine Anh-Quyen Nguyen prescribe most?

In 2024 Medicare Part D data, Catherine Nguyen's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Cephalexin and Doxycycline Hyclate.

Has Catherine Anh-Quyen Nguyen received payments from drug or device companies?

CMS Open Payments shows $57 in general payments to Catherine Nguyen from 1 company from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Catherine Anh-Quyen Nguyen been practicing?

Catherine Nguyen graduated from medical school in 2017, 9 years ago.

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