Dr. Yasuhiro Oki, MD
- Medicare services, 2023
- 65
- Medicare patients, 2024
- 14
- Part D claims, 2017
- 195
- Publications
- 167
- Clinical trials
- 10
- Practice address
- 5555 West Las Positas Boulevard, Pleasanton, CA 94588
- Practice phone
- Call (925) 847-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Oki'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. Yasuhiro Oki is a hematologist and oncologist in Pleasanton, California
Dr. Oki practices at Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
Dr. Oki's NPI, 1265742274, was assigned on October 12, 2010. Dr. Oki graduated from Graduate School of Medicine and Faculty of Medicine, The University of Tokyo in 1998. Dr. Oki holds Texas license N6548.
- NPI
- 1265742274NPI Registry (opens in a new tab)
- NPI enumeration date
- October 12, 2010
- NPI status
- Active
- Practice phone
- (925) 847-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yasuhiro Oki practices at Stanford Health Care Tri-Valley in Pleasanton, California
Dr. Oki's primary practice is Stanford Health Care Tri-Valley, at 5555 West Las Positas Boulevard, Pleasanton, CA 94588 in Alameda County. The practice phone is (925) 847-3000.
- Stanford Health Care Tri-Valley5555 West Las Positas Boulevard, Pleasanton, CA 94588 · Alameda CountyPhone(925) 847-3000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yasuhiro Oki is affiliated with 1 site of care and 1 medical group
Dr. Oki's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University. The medical group on file is Stanford Medicine Partners.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yasuhiro Oki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oki practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Health Care Tri-Valley | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yasuhiro Oki is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Oki's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Oki is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Oki's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Hematology and oncology, TexasPrimary
- California license
Hematologists and oncologists near Dr. Oki
Counts of hematologists and 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. Yasuhiro Oki billed Medicare for 65 services in 2023
CMS data shows 65 Medicare services from Dr. Oki across 2 procedure codes in 2023, for 14 Medicare patients. Medicare paid $7,387 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oki's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 282023: 65132%
Dr. Oki compared with the California median for hematologists and oncologists, 2023
- Dr. Oki
- California median
- Medicare services
- 65vs 93293% below
- Medicare patients
- 14vs 22594% below
- Part D claims
- 195vs 39451% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Oki's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oki and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yasuhiro Oki treated 14 Medicare patients in 2024, average age 74
CMS counts 14 Medicare patients who saw Dr. Oki in 2024. The largest group is under 65, with 0 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 3.64, 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. Oki's median patient age at 65, with 0% women.
Dr. Oki's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Oki's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oki's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yasuhiro Oki wrote 195 Medicare Part D claims in 2017
In 2017, Dr. Oki wrote 195 Medicare Part D claims. They cover 10 drugs, with $9,027 in total drug cost. In 2016, CMS named 89 claims across 4 drugs.
Dr. Oki's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 892017: 195119%
Drugs named by CMS: 10 in 2017, 4 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Yasuhiro Oki has 167 publications on record
Dmand AI links 167 papers to Dr. Oki, published from 2003 to 2022. 2018 was the busiest year, with 21. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Doxorubicin and Hodgkin Disease. Dr. Oki has published most often in Leuk Lymphoma. Dr. Oki's most frequent co-authors are Luis E. Fayad, MD, Michelle A. Fanale, MD and Jason R. Westin, MD.
Dr. Oki's papers by year, 2013 to 2022
Topics Dr. Oki writes about most
- Antineoplastic Combined Chemotherapy Protocols
- Doxorubicin
- Hodgkin Disease
- Rituximab
- Lymphoma, Large B-Cell, Diffuse
- Cyclophosphamide
- Vincristine
- Prednisone
Dr. Oki's most frequent co-authors
- Luis E. Fayad, MD46 shared papers
- Michelle A. Fanale, MD39 shared papers
- Jason R. Westin, MD34 shared papers
Recent publications by Dr. Oki
Cancer Treat Res Commun
See who Dr. Oki researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oki works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Yasuhiro Oki has worked on 10 clinical trials
Dmand AI links Dr. Oki to 10 clinical trials, 5 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Lymphoma, Lymphoma, Large B-Cell, Diffuse and Hodgkin Disease. M.D. Anderson Cancer Center sponsors the most, 6.
Clinical trials with Dr. Oki by phase
- 1Phase 1: 1 trial
- 4Phase 1/2: 4 trials
- 5Phase 2: 5 trials
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Oki's trials
- Lymphoma
- Lymphoma, Large B-Cell, Diffuse
- Hodgkin Disease
- Lymphoma, T-Cell
- Lymphatic Diseases
Investigators on the most trials with Dr. Oki
- Ranjana Advani, MD1 shared trial
- Edward D. Agura, MD1 shared trial
- Cristi Lynn Aitelli, DO1 shared trial
Recent clinical trials with Dr. Oki
Study of Pembrolizumab (MK-3475) in Combination With Romidepsin (opens in a new tab)
Study to Assess the Safety, Tolerability and Pharmacokinetics of Fimepinostat (CUDC-907) in Patients With Lymphoma (opens in a new tab)
A Study of the HSP90 Inhibitor AUY922 (opens in a new tab)
Ruxolitinib Phosphate to Treat Diffuse Large B-Cell or Peripheral T-Cell Non-Hodgkin Lymphoma After Stem Cell Transplant (opens in a new tab)
A Study of Brentuximab Vedotin in Relapsed or Refractory Non-Hodgkin Lymphoma (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Yasuhiro Oki received $5,083 in industry payments from 2016 to 2019
CMS Open Payments shows 9 general payments to Dr. Oki from 4 drug and device companies from 2016 to 2019. Speaker and faculty fees make up the largest share, 69% of the total. Spectrum Pharmaceuticals Inc. paid the most, $4,540. It also lists 1 research payment totaling $1,050 in 2017.
General payments to Dr. Oki by program year, 2016 to 2019
General payments to Dr. Oki by kind, 2016 to 2019
- Speaker and faculty fees$3,50069%
- Honoraria$80016%
- Food and beverage$56811%
- Travel and lodging$2154%
Companies that paid Dr. Oki the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yasuhiro Oki graduated from Graduate School of Medicine and Faculty of Medicine, The University of Tokyo
Dr. Oki graduated from Graduate School of Medicine and Faculty of Medicine, The University of Tokyo in 1998.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Yasuhiro Oki accepts plans from 3 insurance carriers
Dr. Oki is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
Plan types Dr. Oki accepts, by number of carriers
- PPO3
- HMO2
- POS2
- EPO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Yasuhiro Oki'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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) |
| 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) |
| 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. Yasuhiro Oki
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. Yasuhiro Oki's NPI number?
Dr. Yasuhiro Oki's NPI number is 1265742274. It was assigned on October 12, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Yasuhiro Oki?
Dr. Yasuhiro Oki is a hematologist and oncologist in Pleasanton, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Yasuhiro Oki practice?
Dr. Oki practices at 5555 West Las Positas Boulevard, Pleasanton, CA 94588. Dr. Oki's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
What is Dr. Yasuhiro Oki's office phone number?
The practice phone on file for Dr. Oki is (925) 847-3000.
What is Dr. Yasuhiro Oki's medical license number?
Dr. Oki holds Texas license N6548, one of the licenses on file in 2 states.
Which states has Dr. Yasuhiro Oki been licensed in?
Dmand AI has state licenses on file for Dr. Oki in Texas (2010 to 2026) and California (2017 to 2025).
Which hospitals is Dr. Yasuhiro Oki affiliated with?
Dr. Oki practices at Stanford Health Care Tri-Valley in Pleasanton, California.
What medical group is Dr. Yasuhiro Oki part of?
Dr. Oki is linked to Stanford Medicine Partners.
Does Dr. Yasuhiro Oki accept Medicare?
Yes. CMS data shows Dr. Oki billed Medicare for 65 services in 2023.
How many Medicare patients does Dr. Yasuhiro Oki see?
CMS counts 14 Medicare patients who saw Dr. Oki in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Yasuhiro Oki board certified?
Yes. Dr. Oki is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Yasuhiro Oki bill to Medicare?
In 2023, Dr. Oki's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Yasuhiro Oki go to medical school?
Dr. Oki graduated from Graduate School of Medicine and Faculty of Medicine, The University of Tokyo in 1998.
What drugs does Dr. Yasuhiro Oki prescribe most?
In 2017 Medicare Part D data, Dr. Oki's most prescribed drugs by claims were Prednisone, Valacyclovir and Pantoprazole Sodium.
Has Dr. Yasuhiro Oki received payments from drug or device companies?
CMS Open Payments shows $5,083 in general payments to Dr. Oki from 4 companies from 2016 to 2019. The largest total came from Spectrum Pharmaceuticals Inc.
How long has Dr. Yasuhiro Oki been practicing?
Dr. Oki graduated from medical school in 1998, 28 years ago.
Does Dr. Yasuhiro Oki do research?
Dmand AI links 167 publications to Dr. Oki, published from 2003 to 2022. Dr. Oki has worked on 10 clinical trials.
Who does Dr. Yasuhiro Oki publish with?
Dr. Oki's most frequent co-authors are Luis E. Fayad, MD (46 shared papers), Michelle A. Fanale, MD (39 shared papers) and Jason R. Westin, MD (34 shared papers).
What insurance does Dr. Yasuhiro Oki accept?
Dr. Oki is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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