Dr. Nancy Thien Vu, MD
- Medicare services, 2024
- 1,668
- Medicare patients, 2024
- 589
- Part D claims, 2024
- 4,986
- Hospital affiliations
- 2
- Industry payments
- $30,826
- Practice address
- 17100 Euclid Street, Fountain Valley, CA 92708
- Practice phone
- Call (714) 966-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vu's professional email, personal email and mobile number
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Dr. Nancy Thien Vu is a neurologist in Fountain Valley, California
Dr. Vu practices at UCI Health - Fountain Valley in Fountain Valley, California, part of UC Irvine.
Dr. Vu's NPI, 1821059957, was assigned on March 29, 2006. Dr. Vu graduated from Jacobs School of Medicine and Biomedical Sciences in 1981. Dr. Vu holds California license G50663.
- NPI
- 1821059957NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466438601
- NPI enumeration date
- March 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 966-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nancy Thien Vu practices at UCI Health - Fountain Valley in Fountain Valley, California
Dr. Vu's primary practice is UCI Health - Fountain Valley, at 17100 Euclid Street, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 966-7200.
- UCI Health - Fountain Valley17100 Euclid Street, Fountain Valley, CA 92708 · Orange CountyPhone(714) 966-7200
Source: Dmand AI Affiliation Data
Dr. Nancy Thien Vu is affiliated with 3 sites of care and 1 medical group
Dr. Vu's primary practice is UCI Health - Fountain Valley in Fountain Valley, California, part of UC Irvine. Dr. Vu is also affiliated with UCI Health - Orange. The medical group on file is Family Choice Medical Group. Dmand AI also links Dr. Vu to 1 more hospital outpatient department, named with a free account. Dr. Vu's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nancy Thien Vu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Fountain Valley | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nancy Thien Vu is one of 2,207 neurologists in California
Neurology is Dr. Vu's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Vu is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Vu is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Clinical focus
Dmand AI lists alzheimer's disease, carpal tunnel syndrome, encephalopathy, epilepsy, essential tremor, fibromyalgia and chronic pain, head injury and lower back pain among the conditions Dr. Vu treats.
Neurologists near Dr. Vu
Counts of neurologists 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. Nancy Thien Vu billed Medicare for 1,668 services in 2024
CMS data shows 1,668 Medicare services from Dr. Vu across 5 procedure codes in 2024, for 589 Medicare patients. Medicare paid $176,828 for them.
Dr. Vu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8762024: 1,65412%
- Tests and treatments
- 2023: 252024: 1444%
Where Dr. Vu's Medicare services took place, 2024
- In an office66340%
- In a facility1,00560%
Dr. Vu compared with the California median for neurologists, 2024
- Dr. Vu
- California median
- Medicare services
- 1,668vs 4044.1 times
- Medicare patients
- 589vs 1903.1 times
- Part D claims
- 4,719vs 32414.6 times
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Vu'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. Vu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vu and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nancy Thien Vu treated 589 Medicare patients in 2024, average age 74
CMS counts 589 Medicare patients who saw Dr. Vu in 2024. The largest group is 65 to 74, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 84% are also on Medicaid. Their average risk score is 2.23, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Vu's median patient age at 66, with 49% women.
Dr. Vu's Medicare patients by age, 2024
Dr. Vu's Medicare patients by sex, 2024
- Women35160%
- Men23840%
Chronic conditions among Dr. Vu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Arthritis52%
- Alzheimer's and dementia46%
- Stroke or TIA45%
- Chronic kidney disease44%
- Ischemic heart disease40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nancy Thien Vu wrote 4,986 Medicare Part D claims in 2024
In 2024, Dr. Vu wrote 4,986 Medicare Part D claims for 408 patients. 93% of them were for generic drugs. CMS names the drug for 4,719 of them, across 77 drugs with 11 or more claims each, at $247,886 in total drug cost. In 2023, CMS named 4,839 claims across 79 drugs.
Dr. Vu's Part D claims by kind of drug, 2024
- Generic4,616 claims93%
- Brand-name285 claims6%
- Other85 claims2%
Dr. Vu'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 Dr. Vu's Part D claims, 2024
- Opioids7%348 of 4,986 claims
- Antibiotics0%13 of 4,986 claims
- Antipsychotics, patients 65 and over1%61 of 4,986 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,8392024: 4,7192%
Drugs named by CMS: 77 in 2024, 79 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. Nancy Thien Vu takes part in Medicare
Dr. Vu 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. Nancy Thien Vu received $30,826 in industry payments from 2016 to 2024
CMS Open Payments shows 893 general payments to Dr. Vu from 58 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 98% of the total. Biogen, Inc. paid the most, $2,675.
General payments to Dr. Vu by program year, 2016 to 2024
General payments to Dr. Vu by kind, 2016 to 2024
- Food and beverage$30,25798%
- Education$3131%
- Consulting fees$1340%
- Speaker and faculty fees$1220%
Companies that paid Dr. Vu the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nancy Thien Vu graduated from Jacobs School of Medicine and Biomedical Sciences
Dr. Vu graduated from Jacobs School of Medicine and Biomedical Sciences in 1981.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Nancy Thien Vu accepts plans from 10 insurance carriers
Dr. Vu is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +2 more carriersWith a free account
Plan types Dr. Vu accepts, by number of carriers
- Medicare9
- PPO7
- HMO5
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Nancy Thien Vu'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. Nancy Thien Vu
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. Nancy Thien Vu's NPI number?
Dr. Nancy Thien Vu's NPI number is 1821059957. It was assigned on March 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nancy Thien Vu?
Dr. Nancy Thien Vu is a neurologist in Fountain Valley, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Nancy Thien Vu practice?
Dr. Vu practices at 17100 Euclid Street, Fountain Valley, CA 92708. Dr. Vu's primary practice is UCI Health - Fountain Valley in Fountain Valley, California, part of UC Irvine. Dmand AI also links Dr. Vu to 1 hospital outpatient department.
What is Dr. Nancy Thien Vu's office phone number?
The practice phone on file for Dr. Vu is (714) 966-7200.
What is Dr. Nancy Thien Vu's medical license number?
Dr. Vu holds California license G50663.
Which hospitals is Dr. Nancy Thien Vu affiliated with?
Dr. Vu practices at UCI Health - Fountain Valley in Fountain Valley, California. Dr. Vu is also affiliated with UCI Health - Orange.
What medical group is Dr. Nancy Thien Vu part of?
Dr. Vu is linked to Family Choice Medical Group.
Does Dr. Nancy Thien Vu accept Medicare?
Yes. CMS data shows Dr. Vu billed Medicare for 1,668 services in 2024, and Dr. Vu accepts Medicare assignment.
How many Medicare patients does Dr. Nancy Thien Vu see?
CMS counts 589 Medicare patients who saw Dr. Vu in 2024, with an average age of 74.
Is Dr. Nancy Thien Vu board certified?
Yes. Dr. Vu is board certified in neurology by the American Board of Psychiatry and Neurology.
Show 6 more questionsShow fewer questions
What services does Dr. Nancy Thien Vu bill to Medicare?
In 2024, Dr. Vu's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and hospital inpatient care (99223).
Where did Dr. Nancy Thien Vu go to medical school?
Dr. Vu graduated from Jacobs School of Medicine and Biomedical Sciences in 1981.
What drugs does Dr. Nancy Thien Vu prescribe most?
In 2024 Medicare Part D data, Dr. Vu's most prescribed drugs by claims were Memantine HCl, Gabapentin and Levetiracetam.
Has Dr. Nancy Thien Vu received payments from drug or device companies?
CMS Open Payments shows $30,826 in general payments to Dr. Vu from 58 companies from 2016 to 2024. The largest total came from Biogen, Inc.
How long has Dr. Nancy Thien Vu been practicing?
Dr. Vu graduated from medical school in 1981, 45 years ago.
What insurance does Dr. Nancy Thien Vu accept?
Dr. Vu is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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