NPPES file of Aug 9, 2026

Floyd Buen, M.D.

Otolaryngology Physician · Newport Beach, CA

Floyd Buen, M.D. is an otolaryngology physician with a practice address in Newport Beach, California, and NPI 1902291479, issued on Apr 1, 2015. Check the license (California A147361, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902291479
Name
Floyd Buen
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A147361 CA
Self-reported in NPPES; status is on the state search
Practice location
351 Hospital RD Ste 218, Newport Beach, CA 92663
Phone
(949) 364-4361
Enumerated
Apr 1, 2015
Record last updated
Jul 2, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200814000616); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 351 Hospital RD Ste 218

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Feinberg, MDOtolaryngology Physician1528287661

Verify Floyd Buen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A147361
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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46% more Medicare Part D claims than the average otolaryngology physician in 2024

788 Medicare Part D claims for 375 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 22 claims were for opioids.

  1. Floyd Buen788
  2. Specialty average541

Most prescribed

  1. Ipratropium Bromide161 claims
  2. Azelastine Hcl89 claims
  3. Fluocinolone Acetonide Oil56 claims
  4. Fluticasone Propionate53 claims
  5. Tobramycin-Dexamethasone43 claims
  6. Amoxicillin-Clavulanate Potass42 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 MIPS final score for 2023 (Medicare payment program): 86.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $201.89

7 payments; by number, the most common kind was food and beverage; the largest payer was Optinose US, 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.

  1. Floyd Buen$201.89
  2. Specialty average$1,922.50

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

  1. Head And Neck Associates OF Orange County AN IncorprateCosta Mesa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Floyd Buen among 1,212 otolaryngology physician records in California

Floyd Buen, 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 2015, is newer than 82% of them.

  • NPI issued2015 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2015 · median 2004 among the 818 with a school on file
  • Record last updated2020 · 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.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Kamal Batniji, M.D.Newport Beach, CA 926631699823021
  2. Dasun Chen, M.D.Newport Beach, CA 926631881884591
  3. Philip Chironis, M.D.Newport Beach, CA 926631467482190
  4. Steven Feinberg, MDNewport Beach, CA 926631528287661
  5. Carol Jackson, M.D.Newport Beach, CA 926631255434825
  6. Monica Chau Kieu, D.O.Newport Beach, CA 926631922395516
  7. David Reinstadler, MDNewport Beach, CA 926631225260862
  8. Leslie Bain, MDNewport Beach, CA 926601306906128

Common questions

What is Floyd Buen, M.D.'s NPI number?

Floyd Buen, M.D.'s National Provider Identifier (NPI) is 1902291479, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Floyd Buen, M.D. located?

The NPPES record lists a practice address at 351 Hospital RD Ste 218, Newport Beach, CA, 92663. Phone: (949) 364-4361. Providers update this record themselves, so call before visiting.

How can I verify Floyd Buen, M.D.'s license?

NPPES lists California license number A147361, 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 Floyd Buen, M.D. prescribe under Medicare Part D?

In 2024, Floyd Buen, M.D. had 788 Medicare Part D claims for 375 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Floyd Buen, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.8 of 100. 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.