Kathy Nguyen, FNP
- Medicare services, 2024
- 1,917
- Medicare patients, 2024
- 621
- Part D claims, 2024
- 1,569
- Hospital affiliations
- 3
- Industry payments
- $2,957
- Practice address
- 2222 East St, Concord, CA 94520
- Practice phone
- Call (925) 691-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Premier Surgery Center
Concord, California
Find Kathy 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.
Kathy Nguyen is a family nurse practitioner in Concord, California
Kathy Nguyen practices at Premier Surgery Center in Concord, California.
Kathy Nguyen's NPI, 1700459583, was assigned on July 20, 2021. Kathy Nguyen holds California license 95017788.
- NPI
- 1700459583NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052715299
- NPI enumeration date
- July 20, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 691-5000
- 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)
Kathy Nguyen practices at Premier Surgery Center in Concord, California
Kathy Nguyen's primary practice is Premier Surgery Center, at 2222 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 691-5000.
- Premier Surgery Center2222 East St, Concord, CA 94520 · Contra Costa CountyPhone(925) 691-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Kathy Nguyen is affiliated with 5 sites of care and 2 medical groups
Kathy Nguyen's primary practice is Premier Surgery Center in Concord, California. Kathy Nguyen is also affiliated with Concord Medical Center. The medical group on file is John Muir Medical Group. Dmand AI also links Kathy Nguyen to 2 more hospitals, 1 group practice or clinic and 1 medical group, 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 Kathy Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kathy Nguyen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Premier Surgery Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Kathy Nguyen is one of 13,532 family nurse practitioners in California
Family is Kathy Nguyen's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Kathy Nguyen is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic kidney disease, enlarged prostate, hemorrhoids, rash and UTI among the conditions Kathy Nguyen treats.
Family nurse practitioners near Kathy Nguyen
Counts of family 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
Kathy Nguyen billed Medicare for 1,917 services in 2024
CMS data shows 1,917 Medicare services from Kathy Nguyen across 16 procedure codes in 2024, for 621 Medicare patients. Medicare paid $95,415 for them. Every service was in an office.
Kathy Nguyen's Medicare services by type, 2024
- Office and hospital visits900
- Lab and pathology490
- Surgery437
- Other services69
- Imaging21
Kathy Nguyen compared with the California median for family nurse practitioners, 2024
- Kathy Nguyen
- California median
- Medicare services
- 1,917vs 2348.2 times
- Medicare patients
- 621vs 906.9 times
- Part D claims
- 1,428vs 3604.0 times
Medians across 6,382 family nurse practitioners in California with Dmand AI profiles that report each measure.
Kathy 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Kathy Nguyen treated 621 Medicare patients in 2024, average age 75
CMS counts 621 Medicare patients who saw Kathy Nguyen in 2024. The largest group is 65 to 74, with 238 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Kathy Nguyen's median patient age at 68, with 49% women.
Kathy Nguyen's Medicare patients by age, 2024
Kathy Nguyen's Medicare patients by sex, 2024
- Women24339%
- Men37861%
Chronic conditions among Kathy Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes31%
- Chronic kidney disease30%
- Mood disorders29%
- Ischemic heart disease28%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Kathy 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 68
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kathy Nguyen wrote 1,569 Medicare Part D claims in 2024
In 2024, Kathy Nguyen wrote 1,569 Medicare Part D claims for 638 patients. 87% of them were for generic drugs. CMS names the drug for 1,428 of them, across 23 drugs with 11 or more claims each, at $201,645 in total drug cost.
Kathy Nguyen's Part D claims by kind of drug, 2024
- Generic1,358 claims87%
- Brand-name and other211 claims13%
Kathy 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 Kathy Nguyen's Part D claims, 2024
- Opioids1%16 of 1,569 claims
- Antibiotics21%324 of 1,569 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
Kathy Nguyen offers telehealth to Medicare patients
Kathy Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Kathy Nguyen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Kathy Nguyen received $2,957 in industry payments from 2024 to 2025
CMS Open Payments shows 114 general payments to Kathy Nguyen from 27 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 93% of the total. Janssen Pharmaceuticals, Inc paid the most, $657.
General payments to Kathy Nguyen by program year, 2024 to 2025
General payments to Kathy Nguyen by kind, 2024 to 2025
- Food and beverage$2,73893%
- Education$2197%
Companies that paid Kathy 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 Kathy 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 Kathy 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 Kathy Nguyen's NPI number?
Kathy Nguyen's NPI number is 1700459583. It was assigned on July 20, 2021, and it is active in the NPI Registry.
What does Kathy Nguyen specialize in?
Kathy Nguyen is a family nurse practitioner in Concord, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Kathy Nguyen practice?
Kathy Nguyen practices at 2222 East St, Concord, CA 94520. Kathy Nguyen's primary practice is Premier Surgery Center in Concord, California. Dmand AI also links Kathy Nguyen to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Kathy Nguyen's office phone number?
The practice phone on file for Kathy Nguyen is (925) 691-5000.
What is Kathy Nguyen's medical license number?
Kathy Nguyen holds California license 95017788.
Which hospitals is Kathy Nguyen affiliated with?
Kathy Nguyen is affiliated with Concord Medical Center. Dmand AI links Kathy Nguyen to 2 more hospitals.
What medical group is Kathy Nguyen part of?
Kathy Nguyen is linked to John Muir Medical Group. Dmand AI links Kathy Nguyen to 1 more medical group.
Does Kathy Nguyen accept Medicare?
Yes. CMS data shows Kathy Nguyen billed Medicare for 1,917 services in 2024, and Kathy Nguyen accepts Medicare assignment.
Does Kathy Nguyen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Kathy Nguyen as offering telehealth services.
How many Medicare patients does Kathy Nguyen see?
CMS counts 621 Medicare patients who saw Kathy Nguyen in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Kathy Nguyen bill to Medicare?
In 2024, Kathy Nguyen's most billed Medicare services were office visit, established patient (99213), lab and pathology test (81002) and office visit, established patient (99214).
What drugs does Kathy Nguyen prescribe most?
In 2024 Medicare Part D data, Kathy Nguyen's most prescribed drugs by claims were Tamsulosin HCl, Estradiol and Finasteride.
Has Kathy Nguyen received payments from drug or device companies?
CMS Open Payments shows $2,957 in general payments to Kathy Nguyen from 27 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Kathy Nguyen been practicing?
Kathy Nguyen graduated from medical school in 2021, 5 years ago.
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