Antibodies, MonoclonalAntibody-Dependent Cell CytotoxicityMacaca fascicularis
Dr. Robert Wenchen Hsieh, MD
NPI1164714853PAC ID5698054187
- Medicare services, 2019
- 34
- Part D claims, 2024
- 17
- Publications
- 10
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hsieh'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. Robert Wenchen Hsieh is a medical oncologist in Stanford, California
Dr. Hsieh practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Hsieh's NPI, 1164714853, was assigned on May 12, 2011. Dr. Hsieh graduated from Pritzker School of Medicine in 2009. Dr. Hsieh holds California license A114705.
NPI and contact details
- NPI
- 1164714853NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698054187
- NPI enumeration date
- May 12, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Wenchen Hsieh practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Hsieh's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Robert Wenchen Hsieh is affiliated with 3 sites of care and 1 medical group
Dr. Hsieh's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Hsieh to 1 more hospital and 1 group practice or clinic, each named with a free account. Dr. Hsieh's employer is on file too: a hospital.
Stanford Health Care1 hospitalName with a free account1 group practice or clinicName with a free accountEmployer: hospitalName with a free account
See all 4 affiliations for Dr. HsiehSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Wenchen Hsieh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsieh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Wenchen Hsieh is one of 415 medical oncologists in California
Medical oncology is Dr. Hsieh's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Hsieh is board certified in medical oncology by the American Board of Internal Medicine. Dr. Hsieh is licensed in California.
Specialties and state licenses
- Medical oncology, CaliforniaPrimary
Medical oncologists near Dr. Hsieh
Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
415medical oncologists in California82medical oncologists in Stanford75medical oncologists at Stanford Hospital at 300 Pasteur Drive
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Wenchen Hsieh billed Medicare for 34 services in 2019
CMS data shows 34 Medicare services from Dr. Hsieh across 1 procedure code in 2019, all of them office visits. Medicare paid $2,390 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201934
Paid by Medicare$2,390
Procedure codes1
Dr. Hsieh's Medicare services by type, 2017 to 2019
- 2017
- 2019
- Office and hospital visits
- 2017: 362019: 346%
Dr. Hsieh compared with the California median for medical oncologists, 2019
- Dr. Hsieh
- California median
- Medicare services
- 34vs 49693% below
- Part D claims
- 12vs 14492% below
Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.
Dr. Hsieh's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Wenchen Hsieh's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Hsieh's median patient age at 70, with 14% women.
Dr. Hsieh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women14%
- Men86%
Source: Dmand AI Patient Panel Data
Dr. Robert Wenchen Hsieh wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Hsieh wrote 17 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $220 in total drug cost. In 2022, CMS named 13 claims across 1 drug.
Part D claims, 202417
Drugs named by CMS1
Total drug cost$220
Dr. Hsieh's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 132023: 128%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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. Robert Wenchen Hsieh scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Hsieh for performance year 2024, reported as part of a group. Dr. Hsieh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hsieh's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 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. Robert Wenchen Hsieh has 10 publications on record
Dmand AI links 10 papers to Dr. Hsieh, published from 2006 to 2024. 2017 was the busiest year, with 2. The most frequent topics are Antibodies, Monoclonal, Cell Line, Tumor and Estrogen Receptor alpha. Dr. Hsieh's most frequent co-authors are Frederick M. Dirbas, MD, Michael F. Clarke, MD and Alice Chen Fan, MD.
Papers10
Years published2006 to 2024
Dr. Hsieh's papers by year, 2006 to 2024
Topics Dr. Hsieh writes about most
- Antibodies, Monoclonal
- Cell Line, Tumor
- Estrogen Receptor alpha
- Estrogen Receptor beta
- Molecular Structure
- Protein Binding
- Receptors, Androgen
- Transcription, Genetic
Dr. Hsieh's most frequent co-authors
- Frederick M. Dirbas, MD3 shared papers
- Michael F. Clarke, MD2 shared papers
- Alice Chen Fan, MD2 shared papers
Recent publications by Dr. Hsieh
Antibodies, MonoclonalAntibodies, Monoclonal, HumanizedAntineoplastic Agents
BreastCell Transformation, NeoplasticEpithelial Cells
See who Dr. Hsieh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hsieh works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Wenchen Hsieh received $3,878 in industry payments from 2017 to 2018
CMS Open Payments shows 16 general payments to Dr. Hsieh from 5 drug and device companies from 2017 to 2018. Travel and lodging make up the largest share, 68% of the total. Genentech, Inc. paid the most, $2,039.
General payments to Dr. Hsieh by program year, 2017 to 2018
General payments to Dr. Hsieh by kind, 2017 to 2018
$3.9Kin total
- Travel and lodging$2,63268%
- Food and beverage$1,24632%
Companies that paid Dr. Hsieh the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Wenchen Hsieh graduated from Pritzker School of Medicine
Dr. Hsieh graduated from Pritzker School of Medicine in 2009.
- Medical school
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Robert Wenchen Hsieh accepts plans from 5 insurance carriers
Dr. Hsieh is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Hsieh accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Wenchen Hsieh'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 Data |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Robert Wenchen Hsieh
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. Robert Wenchen Hsieh's NPI number?
Dr. Robert Wenchen Hsieh's NPI number is 1164714853. It was assigned on May 12, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Wenchen Hsieh?
Dr. Robert Wenchen Hsieh is a medical oncologist in Stanford, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Robert Wenchen Hsieh practice?
Dr. Hsieh practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Hsieh's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Hsieh to 1 hospital and 1 group practice or clinic.
What is Dr. Robert Wenchen Hsieh's office phone number?
The practice phone on file for Dr. Hsieh is (650) 723-4000.
What is Dr. Robert Wenchen Hsieh's medical license number?
Dr. Hsieh holds California license A114705.
Which hospitals is Dr. Robert Wenchen Hsieh affiliated with?
Dr. Hsieh practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Hsieh to 1 more hospital.
What medical group is Dr. Robert Wenchen Hsieh part of?
Dr. Hsieh is linked to Stanford Health Care.
Does Dr. Robert Wenchen Hsieh accept Medicare?
Yes. CMS data shows Dr. Hsieh billed Medicare for 34 services in 2019, and Dr. Hsieh accepts Medicare assignment.
What is Dr. Robert Wenchen Hsieh's MIPS score?
Dr. Hsieh's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Is Dr. Robert Wenchen Hsieh board certified?
Yes. Dr. Hsieh is board certified in medical oncology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Robert Wenchen Hsieh bill to Medicare?
In 2019, Dr. Hsieh's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Robert Wenchen Hsieh go to medical school?
Dr. Hsieh graduated from Pritzker School of Medicine in 2009.
What drugs does Dr. Robert Wenchen Hsieh prescribe most?
In 2023 Medicare Part D data, Dr. Hsieh's most prescribed drugs by claims were Lorazepam.
Has Dr. Robert Wenchen Hsieh received payments from drug or device companies?
CMS Open Payments shows $3,878 in general payments to Dr. Hsieh from 5 companies from 2017 to 2018. The largest total came from Genentech, Inc.
How long has Dr. Robert Wenchen Hsieh been practicing?
Dr. Hsieh graduated from medical school in 2009, 17 years ago.
Does Dr. Robert Wenchen Hsieh do research?
Dmand AI links 10 publications to Dr. Hsieh, published from 2006 to 2024.
Who does Dr. Robert Wenchen Hsieh publish with?
Dr. Hsieh's most frequent co-authors are Frederick M. Dirbas, MD (3 shared papers), Michael F. Clarke, MD (2 shared papers) and Alice Chen Fan, MD (2 shared papers).
What insurance does Dr. Robert Wenchen Hsieh accept?
Dr. Hsieh is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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