Quick answers
- Which hospitals does James Karls work at?
- Medicare's official clinician data lists James Karls at 1 hospital: Beloit Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Karls see patients?
- Medicare's clinician data lists 3 practice locations, including Beloit, WI. Call before your visit to confirm the address.
- What is James Karls's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does James Karls accept Medicare assignment?
- Yes. Medicare's clinician data says James Karls accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James Karls?
- (608) 363-7510, as listed in official Medicare / NPI Registry data.
- What is James Karls's NPI number?
- 1659107597. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Karls works
Medicare's Facility Affiliation Data lists James Karls at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beloit Health SystemBeloit, WI · Acute Care Hospital · CCN 520100
Practice locations
Addresses where James Karls is enrolled with Medicare (CMS data updated 2026-10-02).
- 1735 Madison RdBeloit, WI 53511 (608) 363‑7510
- 1905 W Hart RdBeloit, WI 53511 (608) 364‑2200
- 1969 W Hart RdBeloit, WI 53511 (608) 364‑5756
Group practices
Medicare enrollment lists James Karls as a member of this group (CMS data updated 2026-10-02).
- Beloit Health System Inc135 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Beloit
Clinicians with the same Medicare primary specialty in Beloit, WI — not a recommendation.
Clinician information
| Graduation year | 2024 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659107597 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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