Robert Chun-Hao Hsu, M.D.
Hematology & Oncology Physician · Los Angeles, CA
Robert Chun-Hao Hsu, M.D. is a hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1669835740, issued on Apr 5, 2016. Check the license (California 161565, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Chun-Hao Hsu
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 161565 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Eastlake Avenue Ntt 3444, Los Angeles, CA 90089
- Phone
- (323) 865-3963
- Enumerated
- Apr 5, 2016
- Record last updated
- Jul 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20220616002682); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Robert Chun-Hao Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 161565Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
401 Medicare Part D claims for 39 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims. 18 claims were for opioids.
Most prescribed
- Tagrisso68 claims
- Eliquis41 claims
- Dexamethasone18 claims
- Gabapentin18 claims
- Hydrocortisone16 claims
- Lidocaine Hcl Viscous16 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: $311.18
8 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Bills Medicare through one group practice
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Chun-Hao Hsu among 1,583 hematology & oncology physician records in California
Robert Chun-Hao Hsu, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 87% of them.
- NPI issued2016 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2016 · median 2003 among the 1,124 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Los Angeles → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Preet Chaudhary, M.D., PHDLos Angeles, CA 900891487626354
- Gino In, MDLos Angeles, CA 900891912227273
- Kevin Kelly, M.D.Los Angeles, CA 900891093963712
- Howard Liebman, M.D.Los Angeles, CA 900891134159775
- Ann Mohrbacher, M.D.Los Angeles, CA 900891275578957
- Jorge Nieva, M.D.Los Angeles, CA 900891497717672
- Casey O'Connell, M.D.Los Angeles, CA 900891104039197
- Raghuveer Ranganathan, M.D.Los Angeles, CA 900891831354356
Common questions
What is Robert Chun-Hao Hsu, M.D.'s NPI number?
Robert Chun-Hao Hsu, M.D.'s National Provider Identifier (NPI) is 1669835740, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Robert Chun-Hao Hsu, M.D. located?
The NPPES record lists a practice address at 1441 Eastlake Avenue Ntt 3444, Los Angeles, CA, 90089. Phone: (323) 865-3963. Providers update this record themselves, so call before visiting.
How can I verify Robert Chun-Hao Hsu, M.D.'s license?
NPPES lists California license number 161565, 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 Robert Chun-Hao Hsu, M.D. prescribe under Medicare Part D?
In 2024, Robert Chun-Hao Hsu, M.D. had 401 Medicare Part D claims for 39 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.