Hannah Chang, MD
Medical Oncology Physician · Duarte, CA
Hannah Chang, MD is a medical oncology physician with a practice address in Duarte, California, and NPI 1811491426, issued on Mar 19, 2018. Check the license (California A194498, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hannah Chang
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A194498 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Duarte RD, Duarte, CA 91010
- Phone
- (800) 826-4673
- Enumerated
- Mar 19, 2018
- Entity
- Type 1 · individual
Also registered at 1500 Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsea Abad, CRNP, AGPCNP - BCNurse Practitioner1952848137
- Wajidah Abdul-KhabirHospitalist Physician1215323522
- Farah Abdulla, MDDermatology Physician1093934390
- Megan Abel, PA-CPhysician Assistant1104100619
- Michelle Afkhami, M.D.Molecular Genetic Pathology (Pathology) Physician1326230228
- Vaibhav Agrawal, M.D.Student in an Organized Health Care Education/Training Program1538402565
Verify Hannah Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A194498Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
94% fewer Medicare Part D claims than the average medical oncology physician in 2024
45 Medicare Part D claims for 14 beneficiaries, against an average of 732 among the 2,742 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of 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: $25.95
1 payment, mostly education; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,246 providers of this specialty with any payment received $11,943.39 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
- City OF Hope Medical FoundationDuarte, 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.
28 medical oncology physician records list a Duarte practice address
They are 28 of the 1,287 NPPES records with a Duarte practice address, and 295 medical oncology physician records in California.
All 28 in Duarte → All 295 in California → Every provider in Duarte →
Other medical oncology physician records in California
- Ranjana Advani, MDStanford, CA1639225121
- Kambiz Afrasiabi, M.D.Anaheim, CA1578572368
- Alexander AgelidisSan Diego, CA1013595743
- Mark Agulnik, MDLos Angeles, CA1164448734
- Weiyun Ai, MDSan Francisco, CA1649346842
- Shafqat Akhtar, MDRed Bluff, CA1700960788
- Luai Al Rabadi, M.D.San Francisco, CA1659637452
- Michael Alexander, MDSanta Cruz, CA1053321760
- Sandra AlgazeLos Angeles, CA1861886707
- Arash Alizadeh, MD, PHDStanford, CA1295824423
Common questions
What is Hannah Chang, MD's NPI number?
Hannah Chang, MD's National Provider Identifier (NPI) is 1811491426, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Chang, MD located?
The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (800) 826-4673. Providers update this record themselves, so call before visiting.
How can I verify Hannah Chang, MD's license?
NPPES lists California license number A194498, 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 Hannah Chang, MD prescribe under Medicare Part D?
In 2024, Hannah Chang, MD had 45 Medicare Part D claims for 14 beneficiaries; the average among medical oncology physician prescribers was 732. 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.