Quick answers
- Does James J. Kinsella accept Medicare assignment?
- Yes. Medicare's clinician data says James J. Kinsella accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does James J. Kinsella see?
- In 2024, CMS data shows 2,055 Original Medicare patients and 4,823 services for James J. Kinsella. This counts Original Medicare only and measures volume, not quality.
- What is James J. Kinsella's NPI number?
- 1821295635. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for James J. Kinsella, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,055 |
|---|---|
| Services billed to Medicare | 4,823 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Screening mammography (77067)2,263 services
- Screening 3d breast mammography (77063)2,153 services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)115 services
- Diagnostic mammography of 1 breast (77065)84 services
- Limited ultrasound scan of 1 breast (76642)55 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol67%
- High blood pressure62%
- Arthritis32%
- Anxiety24%
- Osteoporosis23%
- Diabetes21%
Hospitals where James J. Kinsella works
Medicare's Facility Affiliation Data lists James J. Kinsella at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Flambeau HospitalPark Falls, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521325
- Marshfield Medical Center - Eau ClaireEau Claire, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520210
- Marshfield Medical Center - LadysmithLadysmith, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521328
- Marshfield Medical Center - MinocquaMinocqua, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520212
- Marshfield Medical Center - Rice LakeRice Lake, WI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 520011
Practice locations
Addresses where James J. Kinsella is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 2310 Craig RdEau Claire, WI 54701 (715) 858‑8100
- 2655 County Hwy IChippewa Falls, WI 54729 (715) 726‑4200
- 2727 Plaza DrWausau, WI 54401 (715) 847‑3000
- 3501 Golf RdEau Claire, WI 54701 (715) 858‑4200
Group practices
Medicare enrollment lists James J. Kinsella as a member of these groups (CMS data updated October 2, 2026).
- MCHS Hospitals Inc1,197 clinicians in the group
- Marshfield Clinic Inc207 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Marshfield
Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.
Other clinicians in MCHS Hospitals Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821295635 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians