NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457586596
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 N Oak Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sheetal Aatrai, MDInternal Medicine Physician1417568965
  2. Sukaina AbbasPediatrics Physician1407529191
  3. Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
  4. Ihab Abdalrahman, MDHospitalist Physician1497855134
  5. Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
  6. Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574

Verify Kazumasa Hashimoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 56808    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Qualityout of 100 · 30% of the final score66.7
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mchs Hospitals IncMarshfield, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 →

Other maternal & fetal medicine physician records in Wisconsin

  1. Jacquelyn Adams, M.D.Madison, WI1811330376
  2. Mary Ames, MDKenosha, WI1215989751
  3. Kathleen Antony, M.D.Fitchburg, WI1912297102
  4. Barbara Assel, MDLa Crosse, WI1407815293
  5. Erin Bailey, MDMadison, WI1841729076
  6. Juliana Bakk, MDLa Crosse, WI1336673540
  7. Michael Balistreri, M.D.Madison, WI1225353055
  8. Alison Bauer, MDMarshfield, WI1184061491
  9. Michael Beninati, MDMadison, WI1033453600
  10. Justin Bohrer, MDSturgeon Bay, WI1114155041

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.