NPPES file of Aug 9, 2026

Chun Lim Yau, MD

Family Medicine Physician · Riverside, CA

Chun Lim Yau, MD is a family medicine physician with a practice address in Riverside, California, and NPI 1215670476, issued on Apr 15, 2022. Check the license (California A198967, 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
1215670476
Name
Chun Lim Yau
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A198967 CA
Self-reported in NPPES; status is on the state search
Practice location
8856 Arlington Ave, Riverside, CA 92503
Phone
(833) 867-4642
Enumerated
Apr 15, 2022
Record last updated
Aug 19, 2025
Medicare enrollment
Enrolled (PECOS I20250807002262); accepts Medicare assignment
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 8856 Arlington Ave

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

  1. Karen Alvarenga, DDSDentist1093074791
  2. Trinidad Castillo, LCSWClinical Social Worker1508472911
  3. Ihuoma Chukwueke, M.DFamily Medicine Physician1316206436
  4. Nora CuevasMedical Physician Assistant1811745227
  5. Jason Edgar, PSY.D.Clinical Psychologist1528198744
  6. Veronica Garcia-Campos, PSYDClinical Psychologist1023326840

Verify Chun Lim Yau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A198967
    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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99% fewer Medicare Part D claims than the average family medicine physician in 2024

24 Medicare Part D claims for 13 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Chun Lim Yau24
  2. Specialty average3,544

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.

Bills Medicare through one group practice

  1. Neighborhood HealthcareTemecula, CA

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

Chun Lim Yau among 17,133 family medicine physician records in California

Chun Lim Yau, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.

  • NPI issued2022 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2020 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

258 family medicine physician records list a practice address in Riverside

They are 258 of the 13,893 NPPES records with a practice address in Riverside, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Carmen Ayroso, M.D.Riverside, CA 925031881636413
  2. Cameron Kaiser, M.D.Riverside, CA 925031972671196
  3. Tamara Kurmanalieva, MDRiverside, CA 925031720291222
  4. Winson Liu, M.D.Riverside, CA 925031861594681
  5. Luther Mangoba, M.D.Riverside, CA 925031528041894
  6. Peter Paul, M.D.Riverside, CA 925031508837352
  7. Harvey Pfiefle, MDRiverside, CA 925031942301445
  8. Lyn Pintelon, DORiverside, CA 925031669467148

Common questions

What is Chun Lim Yau, MD's NPI number?

Chun Lim Yau, MD's National Provider Identifier (NPI) is 1215670476, issued on Apr 15, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Chun Lim Yau, MD located?

The NPPES record lists a practice address at 8856 Arlington Ave, Riverside, CA, 92503. Phone: (833) 867-4642. Providers update this record themselves, so call before visiting.

How can I verify Chun Lim Yau, MD's license?

NPPES lists California license number A198967, 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 Chun Lim Yau, MD prescribe under Medicare Part D?

In 2024, Chun Lim Yau, MD had 24 Medicare Part D claims for 13 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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. 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.