Ivan Y. Wu, MD
Emergency Medicine Physician · Bellflower, CA
Ivan Y. Wu, MD is an emergency medicine physician with a practice address in Bellflower, California, and NPI 1235206137, issued on Nov 29, 2006. Check the license (California A74112, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ivan Y. Wu
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A74112 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9400 Rosecrans Ave, Bellflower, CA 90706
- Phone
- (562) 461-3000
- Enumerated
- Nov 29, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080805000882); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 9400 Rosecrans Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Basil Abdelkarim, MDInternal Medicine Physician1003968454
- Le Marie Abellon, NPNurse Practitioner1144389867
- Adrian Acevedo, MDEmergency Medicine Physician1407923303
- Pravin Acharya, MDEmergency Medicine Physician1104993088
- Michele Afshar, PAPhysician Assistant1013065952
- Maria Agbing-Mamangun, MDPsychiatry Physician1063589984
Verify Ivan Y. Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74112Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average emergency medicine physician in 2024
264 Medicare Part D claims for 201 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone18 claims
- Meloxicam15 claims
- Amoxicillin-Clavulanate Potass14 claims
- Cefadroxil13 claims
- Sulfamethoxazole-Trimethoprim13 claims
- Albuterol Sulfate Hfa11 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ivan Y. Wu among 7,751 emergency medicine physician records in California
Ivan Y. Wu, MD is one of 7,751 emergency 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 emergency medicine physician records list a practice address in Bellflower
They are 36 of the 1,468 NPPES records with a practice address in Bellflower, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Bellflower → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Adrian Acevedo, MDBellflower, CA 907061407923303
- Abhinandan Desai, MDBellflower, CA 907061770650780
- Alison Fong, MDBellflower, CA 907061053488932
- Susan Gonzalez, MDBellflower, CA 907061114094075
- Scott Gwaltney, M.D.Bellflower, CA 907061205947488
- Lilian Li, MDBellflower, CA 907061265503171
- Richard Ludlow, MDBellflower, CA 907061477620334
- Nina Nash, MDBellflower, CA 907061639240542
Common questions
What is Ivan Y. Wu, MD's NPI number?
Ivan Y. Wu, MD's National Provider Identifier (NPI) is 1235206137, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ivan Y. Wu, MD located?
The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.
How can I verify Ivan Y. Wu, MD's license?
NPPES lists California license number A74112, 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 Ivan Y. Wu, MD prescribe under Medicare Part D?
In 2024, Ivan Y. Wu, MD had 264 Medicare Part D claims for 201 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.