Registry data as of Aug 27, 2026

Chin Chung, MD

Urology Physician · Laguna Niguel, CA

Chin Chung, MD is a urology physician with a practice address in Laguna Niguel, California, and NPI 1891702718, issued on Aug 2, 2006. Check the license (California C129000, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891702718
Name
Chin Chung
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
C129000 CA
Self-reported in NPPES; status is on the state search
Practice location
24891 Stonegate LN, Laguna Niguel, CA 92677
Phone
(917) 415-7656
Enumerated
Aug 2, 2006
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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Verify Chin 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 C129000
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

98% fewer Medicare Part D claims than the average urology physician in 2024

28 Medicare Part D claims, against an average of 1,354 among the 9,936 providers of this specialty who prescribed in Part D.

  1. Chin Chung28
  2. Specialty average1,354

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.

Urology Physician providers in California

There are 1,421 urology physician records in California.

Other urology physician records in California

  1. David Aaronson, MDOakland, CA1215053129
  2. Jason Abber, MDPanorama City, CA1356366926
  3. Marc Abboud, MDLos Alamitos, CA1265096531
  4. George AbdelsayedAnaheim, CA1568721843
  5. Garen AbediDowney, CA1285909051
  6. Jennifer Abidari, MDStanford, CA1811098197
  7. Sherif Aboseif, MDOxnard, CA1093882995
  8. Parwiz Abrahimi, M.D., PH.D.Los Angeles, CA1154857613
  9. Anthony Acquaviva, MDVallejo, CA1457439283
  10. Theodore Affue, M.D.El Centro, CA1386674000

Common questions

What is Chin Chung, MD's NPI number?

Chin Chung, MD's National Provider Identifier (NPI) is 1891702718, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chin Chung, MD located?

The NPPES record lists a practice address at 24891 Stonegate LN, Laguna Niguel, CA, 92677. Phone: (917) 415-7656. Providers update this record themselves, so call before visiting.

How can I verify Chin Chung, MD's license?

NPPES lists California license number C129000, 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 Chin Chung, MD prescribe under Medicare Part D?

In 2024, Chin Chung, MD had 28 Medicare Part D claims; the average among urology physician prescribers was 1,354. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.