Antineoplastic AgentsCisplatinDexamethasone
Dr. Robert J. Hayashi, MD
NPI1386662062PAC ID7517083744
- Publications
- 78
- Clinical trials
- 1
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Industry payments
- $170
- Practice address
- One Childrens Place, Saint Louis, MO 63110
- Practice phone
- Call (314) 454-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hayashi'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 J. Hayashi is a pediatric hematology and oncology physician in Saint Louis, Missouri
Dr. Hayashi practices at St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Hayashi's NPI, 1386662062, was assigned on July 18, 2006. Dr. Hayashi graduated from Washington University School of Medicine in 1986. Dr. Hayashi holds Missouri license 105104.
NPI and contact details
- NPI
- 1386662062NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517083744
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 454-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert J. Hayashi practices at 2 locations in Saint Louis, Missouri
Dr. Hayashi's primary practice is St. Louis Children's Hospital, at One Childrens Place, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 454-6000. Dr. Hayashi also practices at St Louis Childrens Hospital, 1 Childrens Pl, Saint Louis, MO 63110.
- St. Louis Children's HospitalPrimaryOne Childrens Place, Saint Louis, MO 63110 · St. Louis CityPhone(314) 454-6000
- St Louis Childrens Hospital1 Childrens Pl, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 454-6000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert J. Hayashi is affiliated with 2 sites of care and 1 medical group
Dr. Hayashi's primary practice is St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Hayashi is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert J. Hayashi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hayashi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Louis Children's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Hayashi is one of 78 pediatric hematologys and oncology physicians in Missouri
Pediatric hematology-oncology is Dr. Hayashi's primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Dr. Hayashi is licensed in Missouri.
Specialties and state licenses
- Pediatric hematology and oncology, MissouriPrimary
Pediatric hematologys and oncology physicians near Dr. Hayashi
Counts of pediatric hematologys and oncology physicians with a Dmand AI profile, by place and practice. Each opens the list.
78pediatric hematologys and oncology physicians in Missouri31pediatric hematologys and oncology physicians in Saint Louis22pediatric hematologys and oncology physicians at St. Louis Children's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert J. Hayashi's patients have a median age of 18
Across all payers, Dmand AI patient panel data puts Dr. Hayashi's median patient age at 18, with 41% women.
Dr. Hayashi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 18
Patient panel by sex, all payers
- Women41%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Robert J. Hayashi scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Hayashi for performance year 2024, reported as part of a group. Dr. Hayashi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hayashi's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 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
Dr. Robert J. Hayashi has 78 publications on record
Dmand AI links 78 papers to Dr. Hayashi, published from 2015 to 2025. 2023 was the busiest year, with 14. The most frequent topics are Hematopoietic Stem Cell Transplantation, Cancer Survivors and Antineoplastic Agents. Dr. Hayashi has published most often in Pediatr Blood Cancer. Dr. Hayashi's most frequent co-authors are Amer M. Beitinjaneh, MD, Catherine Bollard, MD and Kimberly P. Dunsmore.
Papers78
Years published2015 to 2025
Dr. Hayashi's papers by year, 2016 to 2025
Topics Dr. Hayashi writes about most
- Hematopoietic Stem Cell Transplantation
- Cancer Survivors
- Antineoplastic Agents
- Antineoplastic Combined Chemotherapy Protocols
- Lymphoproliferative Disorders
- Medical Oncology
- Survivors
- Transplantation Conditioning
Dr. Hayashi's most frequent co-authors
- Amer M. Beitinjaneh, MD6 shared papers
- Catherine Bollard, MD6 shared papers
- Kimberly P. Dunsmore6 shared papers
Recent publications by Dr. Hayashi
Lancet Child Adolesc Health
Hematopoietic Stem Cell TransplantationTransplantation, Homologous
Bone Marrow Transplant
AcetatesAllograftsAntiviral Agents
See who Dr. Hayashi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hayashi works with, so you can find a warm path to the right pediatric hematologys and oncology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert J. Hayashi has worked on 1 clinical trial
Dmand AI links Dr. Hayashi to 1 clinical trial. Open Payments lists research payments to Dr. Hayashi that name 1 trial.
Investigators on the most trials with Dr. Hayashi
Recent clinical trials with Dr. Hayashi
Study of OTO-104 in Subjects at Risk From Cisplatin-Induced Hearing Loss (opens in a new tab)
Terminated
$1,478 in research paymentsOTO-104
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Robert J. Hayashi received $170 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Hayashi from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Otonomy, Inc. paid the most, $170. It also lists 5 research payments totaling $1,478 in 2017, naming 1 clinical trial.
Companies that paid Dr. Hayashi the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert J. Hayashi graduated from Washington University School of Medicine
Dr. Hayashi graduated from Washington University School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert J. Hayashi'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 J. Hayashi
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 J. Hayashi's NPI number?
Dr. Robert J. Hayashi's NPI number is 1386662062. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Hayashi?
Dr. Robert J. Hayashi is a pediatric hematology and oncology physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).
Where does Dr. Robert J. Hayashi practice?
Dr. Hayashi practices at One Childrens Place, Saint Louis, MO 63110. Dr. Hayashi also practices at 1 Childrens Pl, Saint Louis, MO 63110. Dr. Hayashi's primary practice is St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health.
What is Dr. Robert J. Hayashi's office phone number?
The practice phone on file for Dr. Hayashi is (314) 454-6000.
What is Dr. Robert J. Hayashi's medical license number?
Dr. Hayashi holds Missouri license 105104.
Which hospitals is Dr. Robert J. Hayashi affiliated with?
Dr. Hayashi practices at St. Louis Children's Hospital in Saint Louis, Missouri. Dr. Hayashi is also affiliated with Barnes-Jewish Hospital.
What medical group is Dr. Robert J. Hayashi part of?
Dr. Hayashi is linked to WashU Medicine Psychiatry.
Does Dr. Robert J. Hayashi accept Medicare?
Yes. CMS lists Dr. Hayashi as accepting Medicare assignment.
What is Dr. Robert J. Hayashi's MIPS score?
Dr. Hayashi's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Where did Dr. Robert J. Hayashi go to medical school?
Dr. Hayashi graduated from Washington University School of Medicine in 1986.
Show 4 more questionsShow fewer questions
Has Dr. Robert J. Hayashi received payments from drug or device companies?
CMS Open Payments shows $170 in general payments to Dr. Hayashi from 1 company from 2017 to 2017. The largest total came from Otonomy, Inc.
How long has Dr. Robert J. Hayashi been practicing?
Dr. Hayashi graduated from medical school in 1986, 40 years ago.
Does Dr. Robert J. Hayashi do research?
Dmand AI links 78 publications to Dr. Hayashi, published from 2015 to 2025. Dr. Hayashi has worked on 1 clinical trial.
Who does Dr. Robert J. Hayashi publish with?
Dr. Hayashi's most frequent co-authors are Amer M. Beitinjaneh, MD (6 shared papers), Catherine Bollard, MD (6 shared papers) and Kimberly P. Dunsmore (6 shared papers).
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