Ivy Chang, M.D.
Emergency Medicine Physician · Gardena, CA
Ivy Chang, M.D. is an emergency medicine physician with a practice address in Gardena, California, and NPI 1891182374, issued on Apr 22, 2015. Check the license (California A160546, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ivy Chang
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A160546 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1145 W Redondo Beach Blvd, Gardena, CA 90247
- Phone
- (310) 538-6629
- Enumerated
- Apr 22, 2015
- Record last updated
- Jul 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190909000428); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1145 W Redondo Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeanie Chen, PHARMDPharmacist1609435106
- Chidinma Chima-Melton, MDPulmonary Disease Physician1306161625
- Charienez Cruz, FNP-BCFamily Nurse Practitioner1457052631
- Courtney Flores, NP-CFamily Nurse Practitioner1033830997
- Tamrie FreemanPhysical Therapy Assistant1144410093
- Daniel Furoy, M.D.Emergency Medicine Physician1669671319
Verify Ivy Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A160546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average emergency medicine physician in 2024
143 Medicare Part D claims for 74 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 16 claims were for opioids.
Most prescribed
- Ibuprofen31 claims
- Cyclobenzaprine Hcl12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Mission Viejo Emergency Medical Associates, Inc.Marina Del Rey, CA
- Redondo Emergency Physicians IncGardena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is Ivy Chang, M.D.'s NPI number?
Ivy Chang, M.D.'s National Provider Identifier (NPI) is 1891182374, issued on Apr 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ivy Chang, M.D. located?
The NPPES record lists a practice address at 1145 W Redondo Beach Blvd, Gardena, CA, 90247. Phone: (310) 538-6629. Providers update this record themselves, so call before visiting.
How can I verify Ivy Chang, M.D.'s license?
NPPES lists California license number A160546, 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 Ivy Chang, M.D. prescribe under Medicare Part D?
In 2024, Ivy Chang, M.D. had 143 Medicare Part D claims for 74 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Ivy Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.