Satoru Osaki, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Madison, WI
Satoru Osaki, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Madison, Wisconsin, and NPI 1063641025, issued on Jul 10, 2009. Check the license (Wisconsin 55944, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Satoru Osaki
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 55944 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-4071
- Enumerated
- Jul 10, 2009
- Record last updated
- Feb 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 263-0547
- Medicare enrollment
- Enrolled (PECOS I20090820000591); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael AabergSurgery Physician1346991064
- Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
- Daniel Abbott, MDSurgical Oncology Physician1750412615
- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify Satoru Osaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 55944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
66 Medicare Part D claims for 23 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Wisconsin
There are 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin.
Other thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin
- Zenoun Abouzelam, MDAppleton, WI1699769695
- Khosro Adib, MDMadison, WI1932163581
- Ahmed Ali, M.D.Milwaukee, WI1558647677
- Hossein Almassi, MDMilwaukee, WI1255382768
- Andrea Axtell, MDMadison, WI1437562584
- James Bailey, MDGreen Bay, WI1962936245
- Thomas Barragry, M.D.Mequon, WI1659350643
- John Braxton, M.D.Weston, WI1073568655
- Jerold Brenowitz, MDMilwaukee, WI1639144595
- Thomas Cain, MDMarshfield, WI1922011071
Common questions
What is Satoru Osaki, MD's NPI number?
Satoru Osaki, MD's National Provider Identifier (NPI) is 1063641025, issued on Jul 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Satoru Osaki, MD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-4071. Providers update this record themselves, so call before visiting.
How can I verify Satoru Osaki, MD's license?
NPPES lists Wisconsin license number 55944, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Satoru Osaki, MD prescribe under Medicare Part D?
In 2024, Satoru Osaki, MD had 66 Medicare Part D claims for 23 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is Satoru Osaki, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.