NPPES file of Aug 9, 2026

Katrina Chaung, M.D.

Otolaryngology Physician · San Jose, CA

Katrina Chaung, M.D. is an otolaryngology physician with a practice address in San Jose, California, and NPI 1487810990, issued on Aug 4, 2008. Check the license (California C156309, 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
1487810990
Name
Katrina Chaung
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
C156309 CA
Self-reported in NPPES; status is on the state search
Practice location
2577 Samaritan Dr Ste 765, San Jose, CA 95124
Phone
(408) 358-6163
Enumerated
Aug 4, 2008
Record last updated
Nov 13, 2024
Medicare enrollment
Enrolled (PECOS I20181218002432); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2008
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 2577 Samaritan Dr Ste 765

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

  1. Shaun Frost, PAPhysician Assistant1548301773
  2. Mark Kita, M.D.Otolaryngology Physician1417968009
  3. Michael Murray, M.D.Otolaryngology Physician1750475828
  4. Fernando NaranjoPhysician Assistant1295687689
  5. Lionel Nelson, MDOtolaryngology Physician1902838063
  6. Danielle Ourada, AU.DAudiologist1740842806

Verify Katrina Chaung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C156309
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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77% fewer Medicare Part D claims than the average otolaryngology physician in 2024

123 Medicare Part D claims for 57 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 11 claims were for opioids.

  1. Katrina Chaung123
  2. Specialty average541

Most prescribed

  1. Azelastine Hcl17 claims
  2. Fluticasone Propionate14 claims
  3. Ciprofloxacin-Dexamethasone13 claims
  4. Hydrocodone-Acetaminophen11 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): 83.6 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.

  1. Qualityout of 100 · 30% of the final score83.8
  2. Costout of 100 · 30%61.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $78.89

3 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, 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. Katrina Chaung$78.89
  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. Bass Medical GroupSan Jose, CA

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

Katrina Chaung among 1,212 otolaryngology physician records in California

Katrina Chaung, 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 2008, is newer than 58% of them.

  • NPI issued2008 · 58% of these records are older, 35% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2008 · median 2004 among the 818 with a school on file
  • Record last updated2024 · 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. Alexander GoelSan Jose, CA 951241558822056
  2. Mark Kita, M.D.San Jose, CA 951241417968009
  3. Michael Murray, M.D.San Jose, CA 951241750475828
  4. Lionel Nelson, MDSan Jose, CA 951241902838063
  5. Michael Purkey, MDSan Jose, CA 951241417182593
  6. Hussein Samji, M.D.San Jose, CA 951241124160510
  7. James Linehan, M.D.San Jose, CA 951231871655548
  8. Misha Amoils, MDSan Jose, CA 951281902162563

Common questions

What is Katrina Chaung, M.D.'s NPI number?

Katrina Chaung, M.D.'s National Provider Identifier (NPI) is 1487810990, issued on Aug 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Katrina Chaung, M.D. located?

The NPPES record lists a practice address at 2577 Samaritan Dr Ste 765, San Jose, CA, 95124. Phone: (408) 358-6163. Providers update this record themselves, so call before visiting.

How can I verify Katrina Chaung, M.D.'s license?

NPPES lists California license number C156309, 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 Katrina Chaung, M.D. prescribe under Medicare Part D?

In 2024, Katrina Chaung, M.D. had 123 Medicare Part D claims for 57 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Katrina Chaung, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.6 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.