NPPES file of Aug 9, 2026

Richard Siu - Yin Cheung, D.C.

Chiropractor · Pasadena, CA

Richard Siu - Yin Cheung, D.C. is a chiropractor with a practice address in Pasadena, California, and NPI 1467516575, issued on Dec 21, 2006. Check the license (California DC-25673, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467516575
Name
Richard Siu - Yin Cheung
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
DC-25673 CA
Self-reported in NPPES; status is on the state search
Practice location
424 N Lake Ave Ste 104, Pasadena, CA 91101
Phone
(626) 398-3838
Enumerated
Dec 21, 2006
Record last updated
Nov 12, 2024
Fax
(626) 398-3088
Medicare enrollment
Enrolled (PECOS I20080411000215); accepts Medicare assignment
Medical or professional school
Los Angeles College Of Chiropractic, 1998
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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Verify Richard Siu - Yin Cheung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license DC-25673
    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
Find the California license search

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Richard Siu - Yin Cheung among 11,498 chiropractor records in California

Richard Siu - Yin Cheung, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated1998 · median 1999 among the 2,907 with a school on file
  • Record last updated2024 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

101 chiropractor records list a practice address in Pasadena

They are 101 of the 10,525 NPPES records with a practice address in Pasadena, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 chiropractor records with the nearest ZIP codes

  1. John Casci, D.C.Pasadena, CA 911011902092018
  2. Alice Chalikian, D.CPasadena, CA 911011659457034
  3. E. Collins, D.C.Pasadena, CA 911011861539074
  4. Karen Crabb, D.C.Pasadena, CA 911011144427170
  5. Deanna Dickson, DOCTOR OF CHIROPRACTPasadena, CA 911011285792796
  6. Jack Holeman, D.C.Pasadena, CA 911011730215302
  7. Giancarlo Licata, D.C.Pasadena, CA 911011285803080
  8. Meredith Littlefield, DCPasadena, CA 911011356534424

Common questions

What is Richard Siu - Yin Cheung, D.C.'s NPI number?

Richard Siu - Yin Cheung, D.C.'s National Provider Identifier (NPI) is 1467516575, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard Siu - Yin Cheung, D.C. located?

The NPPES record lists a practice address at 424 N Lake Ave Ste 104, Pasadena, CA, 91101. Phone: (626) 398-3838. Providers update this record themselves, so call before visiting.

How can I verify Richard Siu - Yin Cheung, D.C.'s license?

NPPES lists California license number DC-25673, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.