Vivian Thanh Nguyen, P.A.
Medical Physician Assistant · Ventura, CA
Vivian Thanh Nguyen, P.A. is a medical physician assistant with a practice address in Ventura, California, and NPI 1457787467, issued on Sep 23, 2013. Check the license (California PA23248, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vivian Thanh Nguyen
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA23248 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 S Wells RD, Ventura, CA 93004
- Phone
- (805) 659-1740
- Enumerated
- Sep 23, 2013
- Record last updated
- Jul 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20131121001846); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 200 S Wells RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sandra Alvarado, PHDClinical Psychologist1912274713
- Syd Bakshandeh, M.D.Internal Medicine Physician1982820932
- Laureen Berry, FNPFamily Nurse Practitioner1124496203
- Marisela Cabral-Centeno, MSWClinical Social Worker1255597787
- Julia Callaghan, ASW36282Mental Health Counselor1356696140
Verify Vivian Thanh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA23248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average medical physician assistant in 2024
58 Medicare Part D claims for 31 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen19 claims
- Cephalexin14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $383.16
8 payments; by number, the most common kind was food and beverage; the largest payer was Mentor Worldwide LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- County OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vivian Thanh Nguyen among 3,376 medical physician assistant records in California
Vivian Thanh Nguyen, P.A. is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 54% of them.
- NPI issued2013 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2013 · median 2012 among the 1,347 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Ventura → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Bethany Brooks, PA-CVentura, CA 930031942979943
- Cynthia Coggins, P.A.Ventura, CA 930031346271277
- Elida GonzalezVentura, CA 930031679350896
- Melissa MurilloVentura, CA 930031326881236
- Tridang Nguyen, PA-CVentura, CA 930031497531131
- James Noud, P.A.Ventura, CA 930031164454807
- Caleb Roe, PAVentura, CA 930031386372035
- Jonathan Salire, P.A.Ventura, CA 930031659303394
Common questions
What is Vivian Thanh Nguyen, P.A.'s NPI number?
Vivian Thanh Nguyen, P.A.'s National Provider Identifier (NPI) is 1457787467, issued on Sep 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Vivian Thanh Nguyen, P.A. located?
The NPPES record lists a practice address at 200 S Wells RD, Ventura, CA, 93004. Phone: (805) 659-1740. Providers update this record themselves, so call before visiting.
How can I verify Vivian Thanh Nguyen, P.A.'s license?
NPPES lists California license number PA23248, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Vivian Thanh Nguyen, P.A. prescribe under Medicare Part D?
In 2024, Vivian Thanh Nguyen, P.A. had 58 Medicare Part D claims for 31 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Vivian Thanh Nguyen, P.A.'s MIPS final score?
The 2023 MIPS final score is 87.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.