Richard Yu, MD
Occupational Medicine Physician · Fontana, CA
Richard Yu, MD is an occupational medicine physician with a practice address in Fontana, California, and NPI 1376610212, issued on Nov 29, 2006. Check the license (California A61353, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Yu
- Credential
- MD
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- A61353 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-3910
- Enumerated
- Nov 29, 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 occupational medicine physician records → All 415 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A61353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average occupational medicine physician in 2024
263 Medicare Part D claims for 196 beneficiaries, against an average of 794 among the 463 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin50 claims
- Ibuprofen40 claims
- Azithromycin35 claims
- Ciprofloxacin Hcl16 claims
- Prednisone12 claims
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.
Richard Yu among 415 occupational medicine physician records in California
Richard Yu, MD is one of 415 occupational medicine physician records with a practice address in California. 30% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 57% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2021 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in California
There are 415 occupational medicine physician records in California.
All 415 in California → Every provider in Fontana → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Guirguis Hanna, MDFontana, CA 923351356418560
- Lauri Hemsley, MDFontana, CA 923351114086790
- Xiaoguang Wang, M.D.Fontana, CA 923361528246881
- Jia Li, M.D., M.P.H.Colton, CA 923241801016522
- Akbar Sharip, MD, MPHColton, CA 923241720220122
- Joshua Padilla, DOLoma Linda, CA 923501932944188
- Haitham Juma, M.D.Loma Linda, CA 923541578700332
- Nasrin KazemiLoma Linda, CA 923541699209163
Common questions
What is Richard Yu, MD's NPI number?
Richard Yu, MD's National Provider Identifier (NPI) is 1376610212, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Yu, MD located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-3910. Providers update this record themselves, so call before visiting.
How can I verify Richard Yu, MD's license?
NPPES lists California license number A61353, 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 Richard Yu, MD prescribe under Medicare Part D?
In 2024, Richard Yu, MD had 263 Medicare Part D claims for 196 beneficiaries; the average among occupational medicine physician prescribers was 794. 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.