Dr. David I-Feng Hsu, MD

  • Monterey Park, CA
  • Radiation oncologist
NPI1619983343PAC ID8022087352
Medicare services, 2024
4,809
Medicare patients, 2024
201
Part D claims, 2024
44
Hospital affiliations
1
Industry payments
$245
Practice address
605 N Garfield Ave, Monterey Park, CA 91754
Practice phone
Call (626) 571-6100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

AHMC International Cancer Center a Medical Corporation

Monterey Park, California

See all 9 affiliations

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Dr. David I-Feng Hsu is a radiation oncologist in Monterey Park, California

Dr. Hsu practices at AHMC International Cancer Center a Medical Corporation in Monterey Park, California.

Dr. Hsu's NPI, 1619983343, was assigned on August 1, 2006. Dr. Hsu graduated from Creighton University School of Medicine - Omaha in 1998. Dr. Hsu holds California license A83121.

NPI and contact details
Medicare PAC ID
8022087352
NPI enumeration date
August 1, 2006
NPI status
Active
Practice phone
(626) 571-6100
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. David I-Feng Hsu practices at AHMC International Cancer Center a Medical Corporation in Monterey Park, California

Dr. Hsu's primary practice is AHMC International Cancer Center a Medical Corporation, at 605 N Garfield Ave, Monterey Park, CA 91754 in Los Angeles County. The practice phone is (626) 571-6100.

  • AHMC International Cancer Center a Medical Corporation
    605 N Garfield Ave, Monterey Park, CA 91754 · Los Angeles CountyPhone(626) 571-6100

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. David I-Feng Hsu is affiliated with 5 sites of care and 4 medical groups

Dr. Hsu's primary practice is AHMC International Cancer Center a Medical Corporation in Monterey Park, California. Dr. Hsu is also affiliated with Garfield Medical Center. The medical group on file is AHMC International Cancer Center. Dmand AI also links Dr. Hsu to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for Dr. Hsu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. David I-Feng Hsu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
AHMC International Cancer Center a Medical CorporationAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David I-Feng Hsu is one of 685 radiation oncologists in California

Radiation oncology is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Hsu is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Hsu's licenses on file in 7 states: California, Nevada, Texas, Florida, Nebraska, Iowa and Illinois.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense A83121 · 2003 to 2027 · taxonomy 2085R0001X
  • Nevada license2020 to 2027
  • Texas license2024 to 2027
  • Florida license2018 to 2026
  • Nebraska license2006 to 2014
  • Iowa license2009 to 2012
  • Illinois license1999 to 2011

Clinical focus

Dmand AI lists bone cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI, head & neck cancer radiation, lung cancer radiation and lymphoma radiation among the conditions Dr. Hsu treats.

Radiation oncologists near Dr. Hsu

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

685radiation oncologists in California
2radiation oncologists in Monterey Park

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. David I-Feng Hsu billed Medicare for 4,809 services in 2024

CMS data shows 4,809 Medicare services from Dr. Hsu across 16 procedure codes in 2024, for 201 Medicare patients. Medicare paid $924,806 for them. Every service was in an office.

Medicare services, 20244,809
Medicare patients201
Paid by Medicare$924,806
Procedure codes16

Dr. Hsu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 2,2492024: 2,3304%
Imaging
2023: 2,6802024: 2,29814%
Office and hospital visits
2023: 1962024: 1818%

Dr. Hsu compared with the California median for radiation oncologists, 2024

  • Dr. Hsu
  • California median
Medicare services
4,809vs 1,4443.3 times
Medicare patients
201vs 16423% above
Part D claims
15vs 3253% below

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Hsu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Hsu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. David I-Feng Hsu treated 201 Medicare patients in 2024, average age 77

CMS counts 201 Medicare patients who saw Dr. Hsu in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 66, with 50% women.

Medicare patients, 2024201
Average age77
Average risk score1.61
Also on Medicaid22%

Dr. Hsu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Hsu's Medicare patients by sex, 2024

  • Women7236%
  • Men12964%

Chronic conditions among Dr. Hsu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis43%
  4. Diabetes37%
  5. Cancer34%
  6. Chronic kidney disease33%
  7. Ischemic heart disease28%
  8. Atrial fibrillation24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Hsu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. David I-Feng Hsu wrote 44 Medicare Part D claims in 2024

In 2024, Dr. Hsu wrote 44 Medicare Part D claims for 18 patients. 98% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $188 in total drug cost. In 2017, CMS named 12 claims across 1 drug.

Part D claims, 202444
Drugs named by CMS1
Total drug cost$188
Part D patients18

Dr. Hsu's Part D claims by kind of drug, 2024

  • Generic43 claims98%
  • Brand-name and other1 claims2%

Dr. Hsu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2024

  • 2017
  • 2024
Claims for drugs CMS names
2017: 122024: 1525%

Drugs named by CMS: 1 in 2024, 1 in 2017.

See all prescribing by Dr. Hsu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. David I-Feng Hsu received $245 in industry payments from 2022 to 2024

CMS Open Payments shows 3 general payments to Dr. Hsu from 3 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $109.

General payments to Dr. Hsu by program year, 2022 to 2024

Companies that paid Dr. Hsu the most, 2022 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Hsu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. David I-Feng Hsu graduated from Creighton University School of Medicine - Omaha

Dr. Hsu graduated from Creighton University School of Medicine - Omaha in 1998.

  1. Medical schoolCreighton University School of Medicine - Omaha
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. David I-Feng Hsu accepts plans from 10 insurance carriers

Dr. Hsu is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Hsu accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO4
  4. POS2
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. David I-Feng Hsu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. David I-Feng Hsu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. David I-Feng Hsu's NPI number?

Dr. David I-Feng Hsu's NPI number is 1619983343. It was assigned on August 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David I-Feng Hsu?

Dr. David I-Feng Hsu is a radiation oncologist in Monterey Park, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. David I-Feng Hsu practice?

Dr. Hsu practices at 605 N Garfield Ave, Monterey Park, CA 91754. Dr. Hsu's primary practice is AHMC International Cancer Center a Medical Corporation in Monterey Park, California. Dmand AI also links Dr. Hsu to 3 group practices and clinics and 3 medical groups.

What is Dr. David I-Feng Hsu's office phone number?

The practice phone on file for Dr. Hsu is (626) 571-6100.

What is Dr. David I-Feng Hsu's medical license number?

Dr. Hsu holds California license A83121, one of the licenses on file in 7 states.

Which states has Dr. David I-Feng Hsu been licensed in?

Dmand AI has state licenses on file for Dr. Hsu in California (2003 to 2027), Nevada (2020 to 2027), Texas (2024 to 2027), Florida (2018 to 2026), Nebraska (2006 to 2014), Iowa (2009 to 2012) and Illinois (1999 to 2011).

Which hospitals is Dr. David I-Feng Hsu affiliated with?

Dr. Hsu is affiliated with Garfield Medical Center.

What medical group is Dr. David I-Feng Hsu part of?

Dr. Hsu is linked to AHMC International Cancer Center. Dmand AI links Dr. Hsu to 3 more medical groups.

Does Dr. David I-Feng Hsu accept Medicare?

Yes. CMS data shows Dr. Hsu billed Medicare for 4,809 services in 2024.

How many Medicare patients does Dr. David I-Feng Hsu see?

CMS counts 201 Medicare patients who saw Dr. Hsu in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

Is Dr. David I-Feng Hsu board certified?

Yes. Dr. Hsu is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. David I-Feng Hsu bill to Medicare?

In 2024, Dr. Hsu's most billed Medicare services were radiation oncology (77280), emerging technology (0394T) and medicare service (G6015).

Where did Dr. David I-Feng Hsu go to medical school?

Dr. Hsu graduated from Creighton University School of Medicine - Omaha in 1998.

What drugs does Dr. David I-Feng Hsu prescribe most?

In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Lidocaine HCl Viscous.

Has Dr. David I-Feng Hsu received payments from drug or device companies?

CMS Open Payments shows $245 in general payments to Dr. Hsu from 3 companies from 2022 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. David I-Feng Hsu been practicing?

Dr. Hsu graduated from medical school in 1998, 28 years ago.

What insurance does Dr. David I-Feng Hsu accept?

Dr. Hsu is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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