KAZUMASA HASHIMOTO MD
NPI 1457586596
Obstetrics & Gynecology - Maternal & Fetal Medicine in Marshfield, WI
About Kazumasa Hashimoto Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAZUMASA HASHIMOTO MD (NPI 1457586596) is an individual maternal & fetal medicine provider in Marshfield, Wisconsin, licensed in Wisconsin (56808) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kazumasa Hashimoto Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Kazumasa Hashimoto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54449 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARSHFIELD, WI 54449
MARSHFIELD, WI 54449
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kazumasa Hashimoto's NPI number?
The NPI number for Kazumasa Hashimoto is 1457586596. It was assigned to this individual provider in the NPPES registry on May 19, 2009.
Where is Kazumasa Hashimoto located?
Kazumasa Hashimoto practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.
What is Kazumasa Hashimoto's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Kazumasa Hashimoto enrolled in Medicare?
Yes. Kazumasa Hashimoto is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Kazumasa Hashimoto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kazumasa Hashimoto reassigns Medicare benefits to 2 organizations: Marshfield Clinic Inc (Marshfield, WI) and Mchs Hospitals Inc (Marshfield, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kazumasa Hashimoto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kazumasa Hashimoto accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and Security Health Plan list Kazumasa Hashimoto as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kazumasa Hashimoto was last updated on February 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kazumasa Hashimoto, MD · NPI 1457586596
Maternal & Fetal Medicine physician in Marshfield, Wisconsin. Individual provider, active in the CMS NPPES registry since May 19, 2009.
## Identity
- **NPI:** 1457586596 (Entity type: Individual)
- **Enumerated:** May 19, 2009
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** 56808 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 N OAK AVE, Marshfield, WI 54449-5703
- **Phone:** (715) 387-5511
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Mchs Hospitals Inc (NPI 1093221434, Marshfield, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** February 5, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1457586596) · Data from the CMS NPPES public registry.