Wang Ji, M.D.
Internal Medicine Physician · Downey, CA
Wang Ji, M.D. is an internal medicine physician with a practice address in Downey, California, and NPI 1215253059, issued on Apr 19, 2010. Check the license (California A125738, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wang Ji
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A125738 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10000 Lakewood Blvd, Downey, CA 90240
- Phone
- (562) 862-3684
- Enumerated
- Apr 19, 2010
- Record last updated
- Sep 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (562) 862-7145
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 10000 Lakewood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristy Alston, FNP-CFamily Nurse Practitioner1801110234
- Sameer Amin, MDInternal Medicine Physician1326164633
- Jose Anguiano, M.D.Internal Medicine Physician1841637576
- Rachel Aragon, NPNurse Practitioner1285785725
- Miri Chang, FNP-BCFamily Nurse Practitioner1851610158
- Sepideh Chegini, M.D.Internal Medicine Physician1871547075
Verify Wang Ji in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
129 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium16 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.
Wang Ji among 17,696 internal medicine physician records in California
Wang Ji, 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2019 · 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).
114 internal medicine physician records list a practice address in Downey
They are 114 of the 3,607 NPPES records with a practice address in Downey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Downey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sameer Amin, MDDowney, CA 902401326164633
- Jose Anguiano, M.D.Downey, CA 902401841637576
- Hassan Chahine, MDDowney, CA 902401518326933
- Sepideh Chegini, M.D.Downey, CA 902401871547075
- Stanley Crittenden, M.D.Downey, CA 902401477764678
- John-Khoa Do, D.O.Downey, CA 902401710908223
- Paul Gallardo, MDDowney, CA 902401740392588
- Sachin Jain, MDDowney, CA 902401750540183
Common questions
What is Wang Ji, M.D.'s NPI number?
Wang Ji, M.D.'s National Provider Identifier (NPI) is 1215253059, issued on Apr 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Wang Ji, M.D. located?
The NPPES record lists a practice address at 10000 Lakewood Blvd, Downey, CA, 90240. Phone: (562) 862-3684. Providers update this record themselves, so call before visiting.
How can I verify Wang Ji, M.D.'s license?
NPPES lists California license number A125738, 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 Wang Ji, M.D. prescribe under Medicare Part D?
In 2024, Wang Ji, M.D. had 129 Medicare Part D claims for 55 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.