Monica Chau Quynh Kieu, D.O.
Otolaryngology Physician · Newport Beach, CA
Monica Chau Quynh Kieu, D.O. is an otolaryngology physician with a practice address in Newport Beach, California, and NPI 1922395516, issued on Jul 1, 2011. Check the license (California 20A15244, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Monica Chau Quynh Kieu
- Credential
- D.O.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 20A15244 CA
Self-reported in NPPES; status is on the state search - Practice location
- 361 Hospital RD Ste 522, Newport Beach, CA 92663
- Phone
- (949) 645-5179
- Enumerated
- Jul 1, 2011
- Record last updated
- Mar 17, 2026
- Fax
- (949) 645-0453
- Medicare enrollment
- Enrolled (PECOS I20170731001274); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 361 Hospital RD Ste 522
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Philip Chironis, M.D.Otolaryngology Physician1467482190
- Christine DavenportAnesthesiologist Assistant1063624526
Verify Monica Chau Quynh Kieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average otolaryngology physician in 2024
15 Medicare Part D claims, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
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: $413.94
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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 one group practice
- Philip N Chironis MD Medical CorporationNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Monica Chau Quynh Kieu among 1,212 otolaryngology physician records in California
Monica Chau Quynh Kieu, D.O. 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 2011, is newer than 71% of them.
- NPI issued2011 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2011 · median 2004 among the 818 with a school on file
- Record last updated2026 · 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 Newport Beach → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Kamal Batniji, M.D.Newport Beach, CA 926631699823021
- Floyd Buen, M.D.Newport Beach, CA 926631902291479
- Dasun Chen, M.D.Newport Beach, CA 926631881884591
- Philip Chironis, M.D.Newport Beach, CA 926631467482190
- Steven Feinberg, MDNewport Beach, CA 926631528287661
- Carol Jackson, M.D.Newport Beach, CA 926631255434825
- David Reinstadler, MDNewport Beach, CA 926631225260862
- Leslie Bain, MDNewport Beach, CA 926601306906128
Common questions
What is Monica Chau Quynh Kieu, D.O.'s NPI number?
Monica Chau Quynh Kieu, D.O.'s National Provider Identifier (NPI) is 1922395516, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Monica Chau Quynh Kieu, D.O. located?
The NPPES record lists a practice address at 361 Hospital RD Ste 522, Newport Beach, CA, 92663. Phone: (949) 645-5179. Providers update this record themselves, so call before visiting.
How can I verify Monica Chau Quynh Kieu, D.O.'s license?
NPPES lists California license number 20A15244, 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 Monica Chau Quynh Kieu, D.O. prescribe under Medicare Part D?
In 2024, Monica Chau Quynh Kieu, D.O. had 15 Medicare Part D claims; 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.