Cathy H. Nguyen, NP

  • Pleasanton, CA
  • Nurse practitioner
NPI1710530126PAC ID6507279544
Part D claims, 2024
243
Hospital affiliations
1
Industry payments
$4,935
Medical groups
4
State license
1
Practice address
5555 West Las Positas Boulevard, Pleasanton, CA 94588
Practice phone
Call (925) 847-3000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Stanford Health Care Tri-Valley

Hospital · Pleasanton, California

See all 9 affiliations

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Cathy H. Nguyen is a nurse practitioner in Pleasanton, California

Cathy Nguyen practices at Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.

Cathy Nguyen's NPI, 1710530126, was assigned on July 24, 2019. Cathy Nguyen holds California license 95012307.

NPI and contact details
Medicare PAC ID
6507279544
NPI enumeration date
July 24, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(925) 847-3000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

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

Cathy H. Nguyen practices at Stanford Health Care Tri-Valley in Pleasanton, California

Cathy Nguyen's primary practice is Stanford Health Care Tri-Valley, at 5555 West Las Positas Boulevard, Pleasanton, CA 94588 in Alameda County. The practice phone is (925) 847-3000.

Source: Dmand AI Affiliation Data

Cathy H. Nguyen is affiliated with 5 sites of care and 4 medical groups

Cathy Nguyen's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University. The medical group on file is UCSF Pediatrics. Dmand AI also links Cathy Nguyen to 4 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for Cathy Nguyen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Cathy H. Nguyen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Cathy Nguyen practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Health Care Tri-ValleyAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Cathy H. Nguyen is one of 5,983 nurse practitioners in California

Nurse practitioner is Cathy Nguyen's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Cathy Nguyen is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense 95012307 · taxonomy 363L00000X

Nurse practitioners near Cathy Nguyen

Counts of 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

Cathy H. Nguyen's patients have a median age of 64

Across all payers, Dmand AI patient panel data puts Cathy Nguyen's median patient age at 64, with 63% women.

Cathy 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 64

Patient panel by sex, all payers

  • Women63%
  • Men36%

Source: Dmand AI Patient Panel Data

Cathy H. Nguyen wrote 243 Medicare Part D claims in 2024

In 2024, Cathy Nguyen wrote 243 Medicare Part D claims for 70 patients. 69% of them were for generic drugs. CMS names the drug for 65 of them, across 5 drugs with 11 or more claims each, at $415,475 in total drug cost.

Part D claims, 2024243
Drugs named by CMS5
Total drug cost$415,475
Part D patients70

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

  • Generic168 claims69%
  • Brand-name75 claims31%

Cathy 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 Cathy Nguyen's Part D claims, 2024

  • Opioids5%11 of 243 claims
  • Antibiotics5%11 of 243 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 Cathy 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

How Cathy H. Nguyen takes part in Medicare

Cathy 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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Cathy H. Nguyen received $4,935 in industry payments from 2024 to 2025

CMS Open Payments shows 187 general payments to Cathy Nguyen from 46 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 96% of the total. AstraZeneca Pharmaceuticals LP paid the most, $482.

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

General payments to Cathy Nguyen by kind, 2024 to 2025

$4.9Kin total
  • Food and beverage$4,73596%
  • Education$2004%

Companies that paid Cathy Nguyen the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Cathy Nguyen

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

Sources for Cathy H. 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 DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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)
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 Cathy H. 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 Cathy H. Nguyen's NPI number?

Cathy H. Nguyen's NPI number is 1710530126. It was assigned on July 24, 2019, and it is active in the NPI Registry.

What does Cathy H. Nguyen specialize in?

Cathy H. Nguyen is a nurse practitioner in Pleasanton, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Cathy H. Nguyen practice?

Cathy Nguyen practices at 5555 West Las Positas Boulevard, Pleasanton, CA 94588. Cathy Nguyen's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University. Dmand AI also links Cathy Nguyen to 4 group practices and clinics and 3 medical groups.

What is Cathy H. Nguyen's office phone number?

The practice phone on file for Cathy Nguyen is (925) 847-3000.

What is Cathy H. Nguyen's medical license number?

Cathy Nguyen holds California license 95012307.

Which hospitals is Cathy H. Nguyen affiliated with?

Cathy Nguyen practices at Stanford Health Care Tri-Valley in Pleasanton, California.

What medical group is Cathy H. Nguyen part of?

Cathy Nguyen is linked to UCSF Pediatrics. Dmand AI links Cathy Nguyen to 3 more medical groups.

Does Cathy H. Nguyen accept Medicare?

Yes. CMS lists Cathy Nguyen as accepting Medicare assignment.

What drugs does Cathy H. Nguyen prescribe most?

In 2024 Medicare Part D data, Cathy Nguyen's most prescribed drugs by claims were Lenalidomide, Gabapentin and Kisqali.

Has Cathy H. Nguyen received payments from drug or device companies?

CMS Open Payments shows $4,935 in general payments to Cathy Nguyen from 46 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Cathy H. Nguyen been practicing?

Cathy Nguyen graduated from medical school in 2018, 8 years ago.

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