Dr. I-Chow Joe Hsu, MD
- Medicare services, 2024
- 900
- Medicare patients, 2024
- 145
- Part D claims, 2024
- 60
- Publications
- 103
- Clinical trials
- 5
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hsu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. I-Chow Joe Hsu is a radiation oncologist in San Francisco, California
Dr. Hsu practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Hsu's NPI, 1144263039, was assigned on June 14, 2006. Dr. Hsu graduated from The Johns Hopkins University School of Medicine in 1991. Dr. Hsu holds California license A51033.
- NPI
- 1144263039NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375627995
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. I-Chow Joe Hsu practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Hsu's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. I-Chow Joe Hsu is affiliated with 3 sites of care and 3 medical groups
Dr. Hsu's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Hsu to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. I-Chow Joe Hsu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. I-Chow Joe 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. Dr. Hsu is licensed in California.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists cervical cancer radiation, prostate cancer radiation and uterine cancer 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.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. I-Chow Joe Hsu billed Medicare for 900 services in 2024
CMS data shows 900 Medicare services from Dr. Hsu across 18 procedure codes in 2024, for 145 Medicare patients. Medicare paid $158,847 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hsu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4762024: 61529%
- Surgery
- 2023: 1572024: 157No change
- Office and hospital visits
- 2023: 1602024: 12820%
Dr. Hsu compared with the California median for radiation oncologists, 2024
- Dr. Hsu
- California median
- Medicare services
- 900vs 1,44438% below
- Medicare patients
- 145vs 16412% below
- Part D claims
- 43vs 3234% above
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.
Need commercial claims for Dr. Hsu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hsu and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. I-Chow Joe Hsu treated 145 Medicare patients in 2024, average age 74
CMS counts 145 Medicare patients who saw Dr. Hsu in 2024. The largest group is 75 to 84, with 66 patients. 75% of them have cancer, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 74, with 25% women.
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
- Women4330%
- Men10270%
Chronic conditions among Dr. Hsu's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure71%
- Arthritis30%
- Ischemic heart disease28%
- Diabetes23%
- Anxiety20%
- Atrial fibrillation19%
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 74
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. I-Chow Joe Hsu wrote 60 Medicare Part D claims in 2024
In 2024, Dr. Hsu wrote 60 Medicare Part D claims for 27 patients. 97% of them were for generic drugs. CMS names the drug for 43 of them, across 1 drug with 11 or more claims each, at $561 in total drug cost. In 2023, CMS named 50 claims across 1 drug.
Dr. Hsu's Part D claims by kind of drug, 2024
- Generic58 claims97%
- Brand-name and other2 claims3%
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 502024: 4314%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
Dr. I-Chow Joe Hsu scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Hsu for performance year 2024, reported as part of a group. Dr. Hsu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hsu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Hsu's MIPS scores, performance year 2024
- 87of 100Final score
- 86.8of 100Quality
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. I-Chow Joe Hsu has 103 publications on record
Dmand AI links 103 papers to Dr. Hsu, published from 2005 to 2025. 2018 was the busiest year, with 7. The most frequent topics are Brachytherapy, Prostatic Neoplasms and Radiotherapy Dosage. Dr. Hsu has published most often in Brachytherapy. Dr. Hsu's most frequent co-authors are Mack Roach, MD, Albert Jeh-Seng Chang, MD and Lee-May Chen, MD.
Dr. Hsu's papers by year, 2016 to 2025
Topics Dr. Hsu writes about most
- Brachytherapy
- Prostatic Neoplasms
- Radiotherapy Dosage
- Radiotherapy Planning, Computer-Assisted
- Algorithms
- Prostate-Specific Antigen
- Uterine Cervical Neoplasms
- Tomography, X-Ray Computed
Dr. Hsu's most frequent co-authors
- Mack Roach, MD27 shared papers
- Albert Jeh-Seng Chang, MD10 shared papers
- Lee-May Chen, MD10 shared papers
Recent publications by Dr. Hsu
See who Dr. Hsu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hsu works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. I-Chow Joe Hsu has worked on 5 clinical trials
Dmand AI links Dr. Hsu to 5 clinical trials. 2 are still active or recruiting. Conditions studied include Prostatic Neoplasms, Prostatic Diseases and Salivary Gland Adenoma, Pleomorphic. Radiation Therapy Oncology Group sponsors the most, 2.
Clinical trials with Dr. Hsu by phase
- NonePhase 1: no trials
- 1Phase 1/2: 1 trial
- 1Phase 2: 1 trial
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Conditions in Dr. Hsu's trials
- Prostatic Neoplasms
- Prostatic Diseases
- Salivary Gland Adenoma, Pleomorphic
- Uterine Cervical Neoplasms
Investigators on the most trials with Dr. Hsu
Recent clinical trials with Dr. Hsu
Focal Salvage HDR Brachytherapy for Locally Recurrent Prostate Cancer in Patients Treated With Prior Radiotherapy (opens in a new tab)
Radiation Therapy in Treating Patients With Stage II or Stage III Prostate Cancer (opens in a new tab)
Radiation Therapy With or Without Androgen-Deprivation Therapy in Treating Patients With Prostate Cancer (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. I-Chow Joe Hsu received $15,083 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Hsu from 3 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 80% of the total. Boston Scientific Corporation paid the most, $12,250.
General payments to Dr. Hsu by program year, 2016 to 2024
General payments to Dr. Hsu by kind, 2016 to 2024
- Consulting fees$12,08080%
- Honoraria$1,50010%
- Travel and lodging$7815%
- Food and beverage$7225%
Companies that paid Dr. Hsu the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. I-Chow Joe Hsu has 1 award and honors on record
Dmand AI lists 1 award for Dr. Hsu, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Hsu
- 2014
- Regional Top Doctor
Source: Dmand AI Professional Profile Data
Dr. I-Chow Joe Hsu graduated from The Johns Hopkins University School of Medicine
Dr. Hsu graduated from The Johns Hopkins University School of Medicine in 1991.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. I-Chow Joe Hsu accepts plans from 9 insurance carriers
Dr. Hsu is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- +1 more carriersWith a free account
Plan types Dr. Hsu accepts, by number of carriers
- Medicare7
- HMO4
- PPO4
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. I-Chow Joe Hsu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. I-Chow Joe 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. I-Chow Joe Hsu's NPI number?
Dr. I-Chow Joe Hsu's NPI number is 1144263039. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. I-Chow Joe Hsu?
Dr. I-Chow Joe Hsu is a radiation oncologist in San Francisco, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. I-Chow Joe Hsu practice?
Dr. Hsu practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Hsu's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Hsu to 2 group practices and clinics and 2 medical groups.
What is Dr. I-Chow Joe Hsu's office phone number?
The practice phone on file for Dr. Hsu is (415) 353-2733.
What is Dr. I-Chow Joe Hsu's medical license number?
Dr. Hsu holds California license A51033.
Which hospitals is Dr. I-Chow Joe Hsu affiliated with?
Dr. Hsu practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. I-Chow Joe Hsu part of?
Dr. Hsu is linked to UCSF Pediatrics. Dmand AI links Dr. Hsu to 2 more medical groups.
Does Dr. I-Chow Joe Hsu accept Medicare?
Yes. CMS data shows Dr. Hsu billed Medicare for 900 services in 2024, and Dr. Hsu accepts Medicare assignment.
Does Dr. I-Chow Joe Hsu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hsu as offering telehealth services.
What is Dr. I-Chow Joe Hsu's MIPS score?
Dr. Hsu's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. I-Chow Joe Hsu see?
CMS counts 145 Medicare patients who saw Dr. Hsu in 2024, with an average age of 74.
Is Dr. I-Chow Joe Hsu board certified?
Yes. Dr. Hsu is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. I-Chow Joe Hsu bill to Medicare?
In 2024, Dr. Hsu's most billed Medicare services were radiation oncology (77290), radiation oncology (77295) and radiation oncology (77771).
Where did Dr. I-Chow Joe Hsu go to medical school?
Dr. Hsu graduated from The Johns Hopkins University School of Medicine in 1991.
What drugs does Dr. I-Chow Joe Hsu prescribe most?
In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. I-Chow Joe Hsu received payments from drug or device companies?
CMS Open Payments shows $15,083 in general payments to Dr. Hsu from 3 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. I-Chow Joe Hsu been practicing?
Dr. Hsu graduated from medical school in 1991, 35 years ago.
Does Dr. I-Chow Joe Hsu do research?
Dmand AI links 103 publications to Dr. Hsu, published from 2005 to 2025. Dr. Hsu has worked on 5 clinical trials.
Who does Dr. I-Chow Joe Hsu publish with?
Dr. Hsu's most frequent co-authors are Mack Roach, MD (27 shared papers), Albert Jeh-Seng Chang, MD (10 shared papers) and Lee-May Chen, MD (10 shared papers).
What insurance does Dr. I-Chow Joe Hsu accept?
Dr. Hsu is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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