Chwi-Young Yang, MD
Family Medicine Physician · Riverside, CA
Chwi-Young Yang, MD is a family medicine physician with a practice address in Riverside, California, and NPI 1205995883, issued on Dec 8, 2006. Check the license (California G43734, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chwi-Young Yang
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G43734 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10800 Magnolia Ave, Riverside, CA 92505
- Phone
- (909) 353-2000
- Enumerated
- Dec 8, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
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Verify Chwi-Young Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G43734Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
14 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Chwi-Young Yang among 17,133 family medicine physician records in California
Chwi-Young Yang, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 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.
All 17,133 in California → Every provider in Riverside → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Francis Chu, MDRiverside, CA 925051225105166
- Vanessa Ho, MDRiverside, CA 925051679512776
- Judith Holmes, MDRiverside, CA 925051740357615
- Paul Hsiang, MDRiverside, CA 925051841367679
- Emanuel Kristianto, MDRiverside, CA 925051063589075
- Richard Liu, MDRiverside, CA 925051396812277
- Michele Martinez, MD.Riverside, CA 925051205939204
- Karen McBride, MDRiverside, CA 925051841378395
Common questions
What is Chwi-Young Yang, MD's NPI number?
Chwi-Young Yang, MD's National Provider Identifier (NPI) is 1205995883, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chwi-Young Yang, MD located?
The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (909) 353-2000. Providers update this record themselves, so call before visiting.
How can I verify Chwi-Young Yang, MD's license?
NPPES lists California license number G43734, 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 Chwi-Young Yang, MD prescribe under Medicare Part D?
In 2024, Chwi-Young Yang, MD had 14 Medicare Part D claims; 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.