Kazumasa Hashimoto, MD
Maternal & Fetal Medicine Physician · Marshfield, WI
Kazumasa Hashimoto, MD is a maternal & fetal medicine physician with a practice address in Marshfield, Wisconsin, and NPI 1457586596, issued on May 19, 2009. Check the license (Wisconsin 56808, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kazumasa Hashimoto
- Credential
- MD
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 56808 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Oak Ave, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- May 19, 2009
- Record last updated
- Feb 5, 2024
- Medicare enrollment
- Enrolled (PECOS I20120816000629); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 56 in Wisconsin → Look up another NPI →
Also registered at 1000 N Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheetal Aatrai, MDInternal Medicine Physician1417568965
- Sukaina AbbasPediatrics Physician1407529191
- Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
- Ihab Abdalrahman, MDHospitalist Physician1497855134
- Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
- Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574
Verify Kazumasa Hashimoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 56808Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 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
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kazumasa Hashimoto among 56 maternal & fetal medicine physician records in Wisconsin
Kazumasa Hashimoto, MD is one of 56 maternal & fetal medicine physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1988 · median 2007 among the 40 with a school on file
- Record last updated2024 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Wisconsin
There are 56 maternal & fetal medicine physician records in Wisconsin.
All 56 in Wisconsin → Every provider in Marshfield → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Alison Bauer, MDMarshfield, WI 544491184061491
- John Sholl, MDLac Du Flambeau, WI 545381417982448
- Edward Hayes, M.D.Green Bay, WI 543111194930958
- Gail Miller, M.D.Green Bay, WI 543011710958558
- Jason Retzke, M.D.Green Bay, WI 543011710156377
- Barbara Assel, MDLa Crosse, WI 546011407815293
- Juliana Bakk, MDLa Crosse, WI 546011336673540
- Harry Farb, M.D.La Crosse, WI 546011194888685
Common questions
What is Kazumasa Hashimoto, MD's NPI number?
Kazumasa Hashimoto, MD's National Provider Identifier (NPI) is 1457586596, issued on May 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kazumasa Hashimoto, MD located?
The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Kazumasa Hashimoto, MD's license?
NPPES lists Wisconsin license number 56808, 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.
What is Kazumasa Hashimoto, MD's MIPS final score?
The 2023 MIPS final score is 78.9 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.