Dr. Dieu Thu Khoa Nguyen, MD
- Medicare services, 2024
- 339
- Medicare patients, 2024
- 110
- Part D claims, 2024
- 1,528
- Hospital affiliations
- 1
- Industry payments
- $121
- Practice address
- 300 N Brand Blvd, San Fernando, CA 91340
- Practice phone
- Call (818) 627-3050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Fernando Health Center
San Fernando, California
Find Dr. 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.
Dr. Dieu Thu Khoa Nguyen is an internist in San Fernando, California
Dr. Nguyen practices at San Fernando Health Center in San Fernando, California.
Dr. Nguyen's NPI, 1720013105, was assigned on July 12, 2006. Dr. Nguyen graduated from Loma Linda University School Of Medicine in 1993. Dr. Nguyen holds California license G080843.
- NPI
- 1720013105NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416976808
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 627-3050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dieu Thu Khoa Nguyen practices at San Fernando Health Center in San Fernando, California
Dr. Nguyen's primary practice is San Fernando Health Center, at 300 N Brand Blvd, San Fernando, CA 91340 in Los Angeles County. The practice phone is (818) 627-3050.
- San Fernando Health Center300 N Brand Blvd, San Fernando, CA 91340 · Los Angeles CountyPhone(818) 627-3050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dieu Thu Khoa Nguyen is affiliated with 4 sites of care and 1 medical group
Dr. Nguyen's primary practice is San Fernando Health Center in San Fernando, California. Dr. Nguyen is also affiliated with Olive View-UCLA Medical Center. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic and 1 home health agency, 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 Dr. Dieu Thu Khoa Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Fernando Health Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dieu Thu Khoa Nguyen is one of 16,751 internists in California
Internal medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, aneurysm, arthritis, atrial fibrillation and flutter, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Nguyen treats.
Internists near Dr. Nguyen
Counts of internists 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
Dr. Dieu Thu Khoa Nguyen billed Medicare for 339 services in 2024
CMS data shows 339 Medicare services from Dr. Nguyen across 6 procedure codes in 2024, for 110 Medicare patients. Medicare paid $14,158 for them. Every service was in an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1552024: 17312%
- Surgery
- 2023: 1522024: 13511%
- Tests and treatments
- 2023: 02024: 31
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 339vs 3616% below
- Medicare patients
- 110vs 15127% below
- Part D claims
- 1,286vs 4213.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. 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.
Need commercial claims for Dr. Nguyen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dieu Thu Khoa Nguyen treated 110 Medicare patients in 2024, average age 69
CMS counts 110 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 70% have high cholesterol. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 57, with 50% women.
Dr. Nguyen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nguyen's Medicare patients by sex, 2024
- Women6862%
- Men4238%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Diabetes57%
- Arthritis39%
- Osteoporosis24%
- Chronic kidney disease16%
- Ischemic heart disease16%
- Heart failure12%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 57
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dieu Thu Khoa Nguyen wrote 1,528 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 1,528 Medicare Part D claims for 99 patients. 83% of them were for generic drugs. CMS names the drug for 1,286 of them, across 36 drugs with 11 or more claims each, at $92,897 in total drug cost. In 2023, CMS named 1,335 claims across 38 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic1,271 claims83%
- Brand-name219 claims14%
- Other38 claims2%
Dr. 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,3352024: 1,2864%
Drugs named by CMS: 36 in 2024, 38 in 2023.
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 Dr. Dieu Thu Khoa Nguyen takes part in Medicare
Dr. 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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Dr. Dieu Thu Khoa Nguyen received $121 in industry payments from 2017 to 2021
CMS Open Payments shows 5 general payments to Dr. Nguyen from 4 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $39.
General payments to Dr. Nguyen by program year, 2017 to 2021
Companies that paid Dr. Nguyen the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dieu Thu Khoa Nguyen graduated from Loma Linda University School Of Medicine
Dr. Nguyen graduated from Loma Linda University School Of Medicine in 1993.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Dieu Thu Khoa Nguyen accepts plans from 2 insurance carriers
Dr. Nguyen is in network with 2 carriers, including LA Care and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- LA Care
- CMS Medicare
Plan types Dr. Nguyen accepts, by number of carriers
- HMO1
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Dieu Thu Khoa 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 Dr. Dieu Thu Khoa 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 Dr. Dieu Thu Khoa Nguyen's NPI number?
Dr. Dieu Thu Khoa Nguyen's NPI number is 1720013105. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dieu Thu Khoa Nguyen?
Dr. Dieu Thu Khoa Nguyen is an internist in San Fernando, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dieu Thu Khoa Nguyen practice?
Dr. Nguyen practices at 300 N Brand Blvd, San Fernando, CA 91340. Dr. Nguyen's primary practice is San Fernando Health Center in San Fernando, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic and 1 home health agency.
What is Dr. Dieu Thu Khoa Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (818) 627-3050.
What is Dr. Dieu Thu Khoa Nguyen's medical license number?
Dr. Nguyen holds California license G080843.
Which hospitals is Dr. Dieu Thu Khoa Nguyen affiliated with?
Dr. Nguyen is affiliated with Olive View-UCLA Medical Center.
What medical group is Dr. Dieu Thu Khoa Nguyen part of?
Dr. Nguyen is linked to Harbor-UCLA Medical Center.
Does Dr. Dieu Thu Khoa Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 339 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Dieu Thu Khoa Nguyen see?
CMS counts 110 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 69.
Is Dr. Dieu Thu Khoa Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Dieu Thu Khoa Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and vaccine or vaccine administration (90480).
Where did Dr. Dieu Thu Khoa Nguyen go to medical school?
Dr. Nguyen graduated from Loma Linda University School Of Medicine in 1993.
What drugs does Dr. Dieu Thu Khoa Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Dieu Thu Khoa Nguyen received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Dr. Nguyen from 4 companies from 2017 to 2021. The largest total came from Boston Scientific Corporation.
How long has Dr. Dieu Thu Khoa Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Dieu Thu Khoa Nguyen accept?
Dr. Nguyen is in network with 2 carriers, including LA Care and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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