Joseph Chang, MD
Urology Physician · Harbor City, CA
Joseph Chang, MD is a urology physician with a practice address in Harbor City, California, and NPI 1558420174, issued on Dec 8, 2006. Check the license (California A74975, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Chang
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A74975 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25825 Vermont Ave, Harbor City, CA 90710
- Phone
- (310) 325-5111
- Enumerated
- Dec 8, 2006
- Entity
- Type 1 · individual
Also registered at 25825 Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryam Abdelnaby, MDFamily Medicine Physician1104978568
- Christiana Abraham, NPFamily Nurse Practitioner1447855911
- Kamren AckermanPhysical Therapist1104412352
- Bradley Ackerson, MDPediatric Infectious Diseases Physician1255490918
- Yossef Aelony, MDPulmonary Disease Physician1619178597
- Lisa Agustines, MDObstetrics & Gynecology Physician1750452736
Verify Joseph Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
60% more Medicare Part D claims than the average urology physician in 2024
2,168 Medicare Part D claims for 660 beneficiaries, against an average of 1,354 among the 9,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 31 claims were for opioids.
Most prescribed
- Tamsulosin Hcl563 claims
- Finasteride269 claims
- Trospium Chloride225 claims
- Myrbetriq187 claims
- Methenamine Hippurate141 claims
- Tadalafil108 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.
Industry payments in 2024: $246.44
7 payments, mostly food and beverage; the largest payer was Coloplast Corp. The 8,628 providers of this specialty with any payment received $3,864.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Urology Physician providers in California
There are 1,421 urology physician records in California.
Other urology physician records in California
- David Aaronson, MDOakland, CA1215053129
- Jason Abber, MDPanorama City, CA1356366926
- Marc Abboud, MDLos Alamitos, CA1265096531
- George AbdelsayedAnaheim, CA1568721843
- Garen AbediDowney, CA1285909051
- Jennifer Abidari, MDStanford, CA1811098197
- Sherif Aboseif, MDOxnard, CA1093882995
- Parwiz Abrahimi, M.D., PH.D.Los Angeles, CA1154857613
- Anthony Acquaviva, MDVallejo, CA1457439283
- Theodore Affue, M.D.El Centro, CA1386674000
Common questions
What is Joseph Chang, MD's NPI number?
Joseph Chang, MD's National Provider Identifier (NPI) is 1558420174, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Chang, MD located?
The NPPES record lists a practice address at 25825 Vermont Ave, Harbor City, CA, 90710. Phone: (310) 325-5111. Providers update this record themselves, so call before visiting.
How can I verify Joseph Chang, MD's license?
NPPES lists California license number A74975, 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 Joseph Chang, MD prescribe under Medicare Part D?
In 2024, Joseph Chang, MD had 2,168 Medicare Part D claims for 660 beneficiaries; the average among urology physician prescribers was 1,354. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.