NPPES file of Aug 9, 2026

Hoyoung Chung, D.O.

Pediatric Critical Care Medicine Physician · Tarzana, CA

Hoyoung Chung, D.O. is a pediatric critical care medicine physician with a practice address in Tarzana, California, and NPI 1477884922, issued on Jan 22, 2010. Check the license (California 20A12208, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477884922
Name
Hoyoung Chung
Credential
D.O.
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
License numbers
20A12208 CA
R1706 AZ
Self-reported in NPPES; status is on the state search
Practice location
18321 Clark St, Tarzana, CA 91356
Phone
(818) 881-0800
Enumerated
Jan 22, 2010
Record last updated
Jun 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 18321 Clark St

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

  1. Eric Abkian, MDInternal Medicine Physician1750841920
  2. Sheriff AbuduHospitalist Physician1770978298
  3. Mohammad Abuzaineh, M.D.Anesthesiology Physician1992712806
  4. Amir Ahmed, MDHospitalist Physician1306425640
  5. Celia Alconcel, M.D.Neonatal-Perinatal Medicine Physician1982615654
  6. Nathan AlyeshInternal Medicine Physician1417362856

Verify Hoyoung 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 20A12208
    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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Industry payments in 2024: $20.70

1 payment: food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 414 providers of this specialty with any payment received $1,291.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hoyoung Chung$20.70
  2. Specialty average$1,291.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Hoyoung Chung among 337 pediatric critical care medicine physician records in California

Hoyoung Chung, D.O. is one of 337 pediatric critical care medicine physician records with a practice address in California. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 56% of them.

  • NPI issued2010 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 39% of these records are
  • In the CMS Doctors and Clinicians fileNo · 28% of these records are
  • Record last updated2020 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0203X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Critical Care Medicine Physician providers in California

There are 337 pediatric critical care medicine physician records in California.

The 8 pediatric critical care medicine physician records with the nearest ZIP codes

  1. Cesar Chavarria, M.D.Tarzana, CA 913561609803212
  2. Anthony Moretti, MDTarzana, CA 913561487668679
  3. Stephen Robert, MDTarzana, CA 913561457525891
  4. Malik White, MDTarzana, CA 913561104908094
  5. Sheryl Wright, M.D.Tarzana, CA 913561861485856
  6. Richard Kang, MDNorthridge, CA 913251801991872
  7. Regina Yu, D.O.Northridge, CA 913251679969232
  8. Eric Ng, M.D.Thousand Oaks, CA 913201821020595

Common questions

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

Hoyoung Chung, D.O.'s National Provider Identifier (NPI) is 1477884922, issued on Jan 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Hoyoung Chung, D.O. located?

The NPPES record lists a practice address at 18321 Clark St, Tarzana, CA, 91356. Phone: (818) 881-0800. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number 20A12208, 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.

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.