Doctor profile · Federal record

Dr. James Karls

Family Nurse Practitioner (CMS: Nurse Practitioner) · Beloit, WI

  • NPI 1659107597
  • Accepts Medicare
  • 2 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1969 W Hart RD
Beloit, WI 535112298
(608) 364-5011
Additional location
1905 E Huebbe Pkwy
Beloit, WI 535111896
(608) 365-2200
Mailing address
1905 E Huebbe Pkwy
Beloit, WI 535111896

Credentials & registration

NPPES · NUCC
NPI registered
September 2024 — 2 yrs on file
Year of graduation
2024 — 2 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Wisconsin #227145-30

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659107597. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$66
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 2 $65.78

By nature of payment

Food and Beverage
$66

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Karls's medical specialty?
Dr. James Karls practices Family Nurse Practitioner in Beloit, WI.
Where does Dr. James Karls practice?
Dr. James Karls practices at 1969 W Hart RD, Beloit, WI 535112298. Office phone: 6083645011.
What is Dr. James Karls's NPI?
Dr. James Karls's National Provider Identifier (NPI) is 1659107597, issued by NPPES.
Does Dr. James Karls accept Medicare assignment?
Yes. Dr. James Karls accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.