Andy Yu-How Chang
Pediatric Urology Physician · Los Angeles, CA
Andy Yu-How Chang is a pediatric urology physician with a practice address in Los Angeles, California, and NPI 1255522538, issued on Aug 5, 2007. Check the license (California A69853, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andy Yu-How Chang
- Primary taxonomy
- Pediatric Urology Physician 2088P0231X
- License number
- A69853 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6430 W Sunset Blvd Ste 600, Los Angeles, CA 90028
- Phone
- (323) 669-2337
- Enumerated
- Aug 5, 2007
- Record last updated
- Aug 5, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (323) 644-8491
- Entity
- Type 1 · individual
8 nearest pediatric urology physician records → All 46 in California → Look up another NPI →
Also registered at 6430 W Sunset Blvd Ste 600
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Golden, DONeonatal-Perinatal Medicine Physician1821261124
Verify Andy Yu-How Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69853Check 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 pediatric urology physician in 2024
11 Medicare Part D claims, against an average of 271 among the 91 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.
Andy Yu-How Chang among 46 pediatric urology physician records in California
Andy Yu-How Chang is one of 46 pediatric urology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 48% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2007 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2088P0231X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Urology Physician providers in California
There are 46 pediatric urology physician records in California.
All 46 in California → Every provider in Los Angeles → Pediatric Urology Physician nationwide →
The 8 pediatric urology physician records with the nearest ZIP codes
- Yuding Wang, MD MSC FRCSCLos Angeles, CA 900271124776620
- Babak Bamshad, M.D.Los Angeles, CA 900481437282936
- Kathy Hoi Yan Huen, MD, MPHLos Angeles, CA 900951811316755
- Michael Scott, M.D.Lynwood, CA 902621609963750
- Alireza Alam, M.D.Long Beach, CA 908061851717151
- Michael Bishai, MDPasadena, CA 911011689761157
- Sung Choe, M.D.West Covina, CA 917901326041427
- Madhu Alagiri, M.D.San Diego, CA 921231619083961
Common questions
What is Andy Yu-How Chang's NPI number?
Andy Yu-How Chang's National Provider Identifier (NPI) is 1255522538, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andy Yu-How Chang located?
The NPPES record lists a practice address at 6430 W Sunset Blvd Ste 600, Los Angeles, CA, 90028. Phone: (323) 669-2337. Providers update this record themselves, so call before visiting.
How can I verify Andy Yu-How Chang's license?
NPPES lists California license number A69853, 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 Andy Yu-How Chang prescribe under Medicare Part D?
In 2024, Andy Yu-How Chang had 11 Medicare Part D claims; the average among pediatric urology physician prescribers was 271. 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.