Cathie T. Chung, M.D.
Medical Oncology Physician · Duarte, CA
Cathie T. Chung, M.D. is a medical oncology physician with a practice address in Duarte, California, and NPI 1679599914, issued on Jul 13, 2006. Check the license (California A61664, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cathie T. Chung
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A61664 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 East Duarte Road, Duarte, CA 91010
- Phone
- (626) 256-4673
- Enumerated
- Jul 13, 2006
- Record last updated
- Mar 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (626) 930-5362
- Medicare enrollment
- Enrolled (PECOS I20040901001003); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 1500 East Duarte Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandra Capasso, MSGenetic Counselor (M.S.)1285203877
- Gregory Hendrix, PHARMDOncology Pharmacist1053448605
- John Raytis, M.D.Anesthesiology Physician1811126683
- Carmen Sedgeman, NPNurse Practitioner1154579290
- Ilana Solomon, SCM, MA, LCGCGenetic Counselor (M.S.)1437561651
- Jerry Wong, M.D.Anatomic Pathology & Clinical Pathology Physician1285935585
Verify Cathie T. Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A61664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average medical oncology physician in 2024
774 Medicare Part D claims for 146 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Letrozole215 claims
- Anastrozole97 claims
- Exemestane78 claims
- Tamoxifen Citrate75 claims
- Kisqali31 claims
- Verzenio24 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): 85.7 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 one group practice
- Cedars-Sinai Medical Care FoundationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cathie T. Chung among 447 medical oncology physician records in California
Cathie T. Chung, M.D. is one of 447 medical oncology physician records with a practice address in California. 82% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1995 · median 2004 among the 312 with a school on file
- Record last updated2016 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 medical oncology physician records list a practice address in Duarte
They are 48 of the 1,287 NPPES records with a practice address in Duarte, and 447 medical oncology physician records in California.
All 447 in California → Every provider in Duarte → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Linda Bosserman, M.D., F.A.C.PDuarte, CA 910101346289824
- Lee Cranmer, MD, PHDDuarte, CA 910101861465759
- Tanya Dorff, M.D.Duarte, CA 910101508879115
- Manana Elia, M.D.Duarte, CA 910101609841816
- Marwan Fakih, MDDuarte, CA 910101861498271
- Marianna Koczywas, MDDuarte, CA 910101639286677
- Dean Lim, MDDuarte, CA 910101790892735
- Thehang Luu, MDDuarte, CA 910101366559155
Common questions
What is Cathie T. Chung, M.D.'s NPI number?
Cathie T. Chung, M.D.'s National Provider Identifier (NPI) is 1679599914, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathie T. Chung, M.D. located?
The NPPES record lists a practice address at 1500 East Duarte Road, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.
How can I verify Cathie T. Chung, M.D.'s license?
NPPES lists California license number A61664, 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 Cathie T. Chung, M.D. prescribe under Medicare Part D?
In 2024, Cathie T. Chung, M.D. had 774 Medicare Part D claims for 146 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Cathie T. Chung, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 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.