Jun Yuan, M.D.
Internal Medicine Physician · Corona, CA
Jun Yuan, M.D. is an internal medicine physician with a practice address in Corona, California, and NPI 1962461368, issued on Mar 23, 2006. Check the license (California A70186, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jun Yuan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A70186 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1810 Fullerton Ave, Corona, CA 92881
- Phone
- (951) 808-8863
- Enumerated
- Mar 23, 2006
- Record last updated
- Oct 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (951) 808-0550
- Medicare enrollment
- Enrolled (PECOS I20041115001121); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1810 Fullerton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rasheed Simjee, DMDPeriodontics1790899342
- Fred Watkins, M.D.Family Medicine Physician1417244591
Verify Jun Yuan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,231 Medicare Part D claims for 119 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amlodipine Besylate132 claims
- Atorvastatin Calcium117 claims
- Lisinopril107 claims
- Metformin Hcl103 claims
- Simvastatin78 claims
- Losartan Potassium50 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.
Jun Yuan among 17,696 internal medicine physician records in California
Jun Yuan, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 11,065 with a school on file
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 internal medicine physician records list a practice address in Corona
They are 52 of the 3,731 NPPES records with a practice address in Corona, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Corona → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fadia Attia, MDCorona, CA 928811578626925
- Qais Ayouby, MDCorona, CA 928811154884351
- Patricia Bogema, D.O.Corona, CA 928811407891617
- Nahlla Dolle, M.D.Corona, CA 928811427128354
- Amit Hiteshi, M.D.Corona, CA 928811316203250
- Talat Khan, MDCorona, CA 928811992886337
- Jasmine Leong, M.D.Corona, CA 928811083627798
- Mohammed Qubba, M.D.Corona, CA 928811093129009
Common questions
What is Jun Yuan, M.D.'s NPI number?
Jun Yuan, M.D.'s National Provider Identifier (NPI) is 1962461368, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jun Yuan, M.D. located?
The NPPES record lists a practice address at 1810 Fullerton Ave, Corona, CA, 92881. Phone: (951) 808-8863. Providers update this record themselves, so call before visiting.
How can I verify Jun Yuan, M.D.'s license?
NPPES lists California license number A70186, 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 Jun Yuan, M.D. prescribe under Medicare Part D?
In 2024, Jun Yuan, M.D. had 1,231 Medicare Part D claims for 119 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.