Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MASANOSUKE ERNEST KINOSHITA M.D.
NPI 1669996757
Family Medicine in Lake Geneva, WI

Active since July 31, 2017PECOS Enrolled
N2950 STATE ROAD 67, LAKE GENEVA, WI 53147(262) 249-0221(262) 249-0633 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 1, 2025, Jul 31, 2017 (2 updates tracked since 2017).

About Dr. Masanosuke Ernest Kinoshita M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MASANOSUKE ERNEST KINOSHITA M.D. (NPI 1669996757) is an individual family medicine provider in Lake Geneva, Wisconsin, licensed in Wisconsin (84841-20) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1669996757
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MASANOSUKE ERNEST KINOSHITACredential: M.D.
Location AddressN2950 STATE ROAD 67Lake Geneva, WI 53147-2655
Mailing Address350 Peller RdLake Geneva, WI 53147-4543
Fax(262) 249-0633
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateJuly 31, 2017
Last NPPES UpdateOctober 19, 20262 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1669996757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WI · 84841-20
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
N2950 STATE ROAD 67, Lake Geneva, WI 53147

Secondary Practice Locations 3

Location 11000 Mineral Point AveJanesville, WI 53548-2982 · Phone (608) 756-6868
Location 23524 E Milwaukee StJanesville, WI 53546-1626 · Phone (608) 756-7100 · Fax (608) 756-7225
Location 3507 W Main StWhitewater, WI 53190-1852 · Phone (262) 473-0400 · Fax (262) 473-0408

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

Dr. Masanosuke Ernest Kinoshita M.d. 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.

PECOS PAC ID1254606874
PECOS Enrollment IDI20251016003298
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Masanosuke Kinoshita reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Critical Access
N2950 STATE ROAD 67
Lake Geneva, WI 53147
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1598718603 (Wisconsin)
  • 271 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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Mercy Walworth Hospital & Medical Center

Critical Access Hospitals · Lake Geneva, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521357
LocationN2950 State Road 67Lake Geneva, WI 53147 · Walworth County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53147 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Counselor (Professional)
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147
Emergency Medicine
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147
Occupational Therapist
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147
Podiatrist
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147
Physical Therapist
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147
Pharmacist
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147
Emergency Medicine
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147
Physician Assistant
N2950 STATE ROAD 67
LAKE GENEVA, WI 53147

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 Masanosuke Kinoshita's NPI number?

The NPI number for Masanosuke Kinoshita is 1669996757. It was assigned to this individual provider in the NPPES registry on July 31, 2017.

Where is Masanosuke Kinoshita located?

Masanosuke Kinoshita practices at N2950 State Road 67, Lake Geneva, WI 53147. The listed phone number is (262) 249-0221.

What is Masanosuke Kinoshita's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Masanosuke Kinoshita enrolled in Medicare?

Yes. Masanosuke Kinoshita 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 organization bills Medicare for Masanosuke Kinoshita's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Masanosuke Kinoshita reassigns Medicare benefits to Mercy Health System Corporation (Lake Geneva, WI). The 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 Masanosuke Kinoshita's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Masanosuke Kinoshita accept?

Health plans from Anthem Blue Cross and Blue Shield list Masanosuke Kinoshita 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.

Is Masanosuke Kinoshita affiliated with any hospitals?

According to CMS data, Masanosuke Kinoshita is affiliated with Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Masanosuke Kinoshita was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.