Chau Tuan Nguyen, M.D.
Otolaryngology Physician · Ventura, CA
Chau Tuan Nguyen, M.D. is an otolaryngology physician with a practice address in Ventura, California, and NPI 1720169832, issued on Oct 17, 2006. Check the license (California A88001, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chau Tuan Nguyen
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A88001 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3170 Loma Vista RD, Ventura, CA 93003
- Phone
- (805) 641-4431
- Enumerated
- Oct 17, 2006
- Record last updated
- Jul 17, 2023
- Fax
- (805) 641-4416
- Medicaid ID
- OOA880010 CA
- Medicare enrollment
- Enrolled (PECOS I20050613001367); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 3170 Loma Vista RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samuel Lee, MDPhysical Medicine & Rehabilitation Physician1871892133
Verify Chau Tuan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average otolaryngology physician in 2024
118 Medicare Part D claims for 48 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Fluticasone Propionate18 claims
- Dupixent Syringe11 claims
- Ipratropium Bromide11 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.
Industry payments in 2024: $152.76
3 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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 2 group practices
- Community Memorial Health SystemVentura, CA
- County OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chau Tuan Nguyen among 1,212 otolaryngology physician records in California
Chau Tuan Nguyen, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1999 · median 2004 among the 818 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Ventura → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Armin Alavi, M.D.Ventura, CA 930031134318439
- Alexa Castellano, MDVentura, CA 930031578978813
- John Edison, M.D.Ventura, CA 930031134116643
- David Hantke, M.D.Ventura, CA 930031982823688
- Edgar Lueg, MDVentura, CA 930031831260884
- Arthur Peters, M.D.Ventura, CA 930031306012992
- James Rea, M.D.Ventura, CA 930031063788057
- Tom Coffey, MDOjai, CA 930231942231782
Common questions
What is Chau Tuan Nguyen, M.D.'s NPI number?
Chau Tuan Nguyen, M.D.'s National Provider Identifier (NPI) is 1720169832, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chau Tuan Nguyen, M.D. located?
The NPPES record lists a practice address at 3170 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 641-4431. Providers update this record themselves, so call before visiting.
How can I verify Chau Tuan Nguyen, M.D.'s license?
NPPES lists California license number A88001, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chau Tuan Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Chau Tuan Nguyen, M.D. had 118 Medicare Part D claims for 48 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
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.