NPPES file of Aug 9, 2026

Daun Chung, D.O.

Physical Medicine & Rehabilitation Physician · Los Angeles, CA

Daun Chung, D.O. is a physical medicine & rehabilitation physician with a practice address in Los Angeles, California, and NPI 1043444797, issued on May 11, 2009. Check the license (California 20A18605, 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
1043444797
Name
Daun Chung
Credential
D.O.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
20A18605 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Ucla Medical Plz Ste 420, Los Angeles, CA 90095
Phone
(310) 206-6232
Enumerated
May 11, 2009
Record last updated
Oct 1, 2025
Fax
(310) 206-3551
Medicare enrollment
Enrolled (PECOS I20210119000361); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2009
Telehealth
Offers telehealth (CMS)
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 200 Ucla Medical Plz Ste 420

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

  1. Monica Abreu DiazInternal Medicine Physician1598294126
  2. Maya Appley, MDAddiction Medicine (Internal Medicine) Physician1588160451
  3. Michael Ayoub, M.D.Internal Medicine Physician1215356647
  4. Douglas Bell, MDInternal Medicine Physician1174549372
  5. Mark Benor, MDFamily Medicine Physician1457568362
  6. Shiela Beroukhim AfrahimiInternal Medicine Physician1386141885

Verify Daun Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A18605
    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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4% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

700 Medicare Part D claims for 170 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Daun Chung700
  2. Specialty average727

Most prescribed

  1. Pantoprazole Sodium51 claims
  2. Naloxone Hcl42 claims
  3. Atorvastatin Calcium40 claims
  4. Gabapentin38 claims
  5. Eliquis33 claims
  6. Famotidine24 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): 85.7 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 score85.7
  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).

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaSanta Monica, CA

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

Daun Chung among 1,549 physical medicine & rehabilitation physician records in California

Daun Chung, D.O. is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 45% of them.

  • NPI issued2009 · 45% of these records are older, 53% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2009 · median 2008 among the 786 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in California

There are 1,549 physical medicine & rehabilitation physician records in California.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Nitin Bajaj, DOLos Angeles, CA 900951063916484
  2. Jessie BjellaLos Angeles, CA 900951235756933
  3. Timothy Cushing, MDLos Angeles, CA 900951295094134
  4. Blessen Eapen, M.D.Los Angeles, CA 900951568794824
  5. Stuart Glassman, M.D.Los Angeles, CA 900951679508600
  6. Jacob Levine, MDLos Angeles, CA 900951821669540
  7. Rafael RomeuLos Angeles, CA 900951821416314
  8. Adam Saby, M.D.Los Angeles, CA 900951780931618

Common questions

What is Daun Chung, D.O.'s NPI number?

Daun Chung, D.O.'s National Provider Identifier (NPI) is 1043444797, issued on May 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Daun Chung, D.O. located?

The NPPES record lists a practice address at 200 Ucla Medical Plz Ste 420, Los Angeles, CA, 90095. Phone: (310) 206-6232. Providers update this record themselves, so call before visiting.

How can I verify Daun Chung, D.O.'s license?

NPPES lists California license number 20A18605, 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 Daun Chung, D.O. prescribe under Medicare Part D?

In 2024, Daun Chung, D.O. had 700 Medicare Part D claims for 170 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.

What is Daun Chung, D.O.'s MIPS final score?

The 2023 MIPS final score is 85.7 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.