$821 in research paymentsP03277MRIGadobenate dimeglumine
Dr. Osamu Sakai, MD
NPI1770550956PAC ID2668363128
- Medicare services, 2024
- 3,664
- Medicare patients, 2024
- 1,200
- Clinical trials
- 1
- Hospital affiliations
- 6
- Industry payments
- $461,485
- Practice address
- 1 Boston Medical Center Place, Boston, MA 02118
- Practice phone
- Call (617) 638-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sakai'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. Osamu Sakai is a neuroradiologist in Boston, Massachusetts
Dr. Sakai practices at Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System.
Dr. Sakai's NPI, 1770550956, was assigned on March 7, 2006. Dr. Sakai holds Massachusetts license 219618.
NPI and contact details
- NPI
- 1770550956NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668363128
- NPI enumeration date
- March 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 638-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Osamu Sakai practices at Boston Medical Center in Boston, Massachusetts
Dr. Sakai's primary practice is Boston Medical Center, at 1 Boston Medical Center Place, Boston, MA 02118 in Suffolk County. The practice phone is (617) 638-8000.
- Boston Medical Center1 Boston Medical Center Place, Boston, MA 02118 · Suffolk CountyPhone(617) 638-8000
Source: Dmand AI Affiliation Data
Dr. Osamu Sakai is affiliated with 12 sites of care and 6 medical groups
Dr. Sakai's primary practice is Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System. Dr. Sakai is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Sakai to 4 more hospitals, 6 group practices and clinics and 5 medical groups, each named with a free account.
Massachusetts General HospitalMassachusetts General Physicians Organization (MGPO)4 hospitalsNames with a free account6 group practices and clinicsNames with a free account5 medical groupsNames with a free account
See all 18 affiliations for Dr. SakaiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Osamu Sakai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sakai practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Medical Center | Available with a free account |
| +11 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Sakai practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Boston Medical Center Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Osamu Sakai is one of 65 neuroradiologists in Massachusetts
Neuroradiology is Dr. Sakai's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dr. Sakai is licensed in Massachusetts.
Specialties and state licenses
- Neuroradiology, MassachusettsPrimary
Neuroradiologists near Dr. Sakai
Counts of neuroradiologists with a Dmand AI profile, by place and practice. Each opens the list.
65neuroradiologists in Massachusetts36neuroradiologists in Boston4neuroradiologists at Boston Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Osamu Sakai billed Medicare for 3,664 services in 2024
CMS data shows 3,664 Medicare services from Dr. Sakai across 18 procedure codes in 2024, for 1,200 Medicare patients. Medicare paid $74,733 for them.
Medicare services, 20243,664
Medicare patients1,200
Paid by Medicare$74,733
Procedure codes18
Dr. Sakai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 02024: 2,380
- Imaging
- 2023: 6462024: 1,28499%
Where Dr. Sakai's Medicare services took place, 2024
- In an office2,76375%
- In a facility90125%
Dr. Sakai compared with the Massachusetts median for neuroradiologists, 2024
- Dr. Sakai
- Massachusetts median
- Medicare services
- 3,664vs 1,2952.8 times
- Medicare patients
- 1,200vs 1,07811% above
Medians across 51 neuroradiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sakai'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. Sakai?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sakai and other neuroradiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Osamu Sakai treated 1,200 Medicare patients in 2024, average age 74
CMS counts 1,200 Medicare patients who saw Dr. Sakai in 2024. The largest group is 65 to 74, with 500 patients. 74% of them have high cholesterol, and 72% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.68, 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. Sakai's median patient age at 61, with 51% women.
Medicare patients, 20241,200
Average age74
Average risk score1.68
Also on Medicaid19%
Dr. Sakai's Medicare patients by age, 2024
Dr. Sakai's Medicare patients by sex, 2024
- Women65555%
- Men54545%
Chronic conditions among Dr. Sakai's Medicare patients, 2024
- High cholesterol74%
- High blood pressure72%
- Arthritis53%
- Anxiety37%
- Mood disorders36%
- Ischemic heart disease32%
- Depression31%
- Cancer27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sakai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Osamu Sakai takes part in Medicare
Dr. Sakai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Osamu Sakai has worked on 1 clinical trial
Dmand AI links Dr. Sakai to 1 clinical trial. Open Payments lists research payments to Dr. Sakai that name 1 trial.
Investigators on the most trials with Dr. Sakai
- Nafi Aygun, MD1 shared trial
- Jonathan Hill Burdette, MD1 shared trial
- Daniel D. Do-Dai, MD1 shared trial
Recent clinical trials with Dr. Sakai
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Osamu Sakai received $461,485 in industry payments from 2016 to 2025
CMS Open Payments shows 211 general payments to Dr. Sakai from 4 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $312,790. It also lists 23 research payments totaling $111,757 from 2016 to 2025, naming 1 clinical trial.
General payments to Dr. Sakai by program year, 2016 to 2025
General payments to Dr. Sakai by kind, 2016 to 2025
$461.5Kin total
- Consulting fees$461,350100%
- Food and beverage$1350%
Companies that paid Dr. Sakai the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Osamu Sakai'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Osamu Sakai
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. Osamu Sakai's NPI number?
Dr. Osamu Sakai's NPI number is 1770550956. It was assigned on March 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Osamu Sakai?
Dr. Osamu Sakai is a neuroradiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. Osamu Sakai practice?
Dr. Sakai practices at 1 Boston Medical Center Place, Boston, MA 02118. Dr. Sakai's primary practice is Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System. Dmand AI also links Dr. Sakai to 4 hospitals, 6 group practices and clinics and 5 medical groups.
What is Dr. Osamu Sakai's office phone number?
The practice phone on file for Dr. Sakai is (617) 638-8000.
What is Dr. Osamu Sakai's medical license number?
Dr. Sakai holds Massachusetts license 219618.
Which hospitals is Dr. Osamu Sakai affiliated with?
Dr. Sakai practices at Boston Medical Center in Boston, Massachusetts. Dr. Sakai is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Sakai to 4 more hospitals.
What medical group is Dr. Osamu Sakai part of?
Dr. Sakai is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Sakai to 5 more medical groups.
Does Dr. Osamu Sakai accept Medicare?
Yes. CMS data shows Dr. Sakai billed Medicare for 3,664 services in 2024, and Dr. Sakai accepts Medicare assignment.
How many Medicare patients does Dr. Osamu Sakai see?
CMS counts 1,200 Medicare patients who saw Dr. Sakai in 2024, with an average age of 74.
What services does Dr. Osamu Sakai bill to Medicare?
In 2024, Dr. Sakai's most billed Medicare services were medical supplies or transport (A9575), diagnostic imaging (70553) and diagnostic imaging (70491).
Show 3 more questionsShow fewer questions
Has Dr. Osamu Sakai received payments from drug or device companies?
CMS Open Payments shows $461,485 in general payments to Dr. Sakai from 4 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Osamu Sakai been practicing?
Dr. Sakai graduated from medical school in 1988, 38 years ago.
Does Dr. Osamu Sakai do research?
Dr. Sakai has worked on 1 clinical trial.
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