Doctor profile · Federal record

Dr. Jennifer Klenske, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Fort Atkinson, WI

  • NPI 1841350022
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
611 E Sherman Ave
Fort Atkinson, WI 535381960
(920) 568-5000
fax (920) 568-4004
Additional location
818 Forest Ln
Waterford, WI 531854585
(262) 514-3700
Mailing address
Po Box 249
Fort Atkinson, WI 535380249

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
November 16, 2017
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Wisconsin #44245 · Illinois #036-099993
Medicaid (2)
WI #34184600 · IL #036099993 1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841350022. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
238
Distinct HCPCS
2
Medicare allowed
$34,779
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 133 125 $165
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 105 101 $123

In context: peer comparison

Among 2 peers in Fort Atkinson Internal Medicine Physician, average services per provider: 75. This provider delivers 3.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Klenske's medical specialty?
Dr. Jennifer Klenske practices Internal Medicine Physician in Fort Atkinson, WI.
Where does Dr. Jennifer Klenske practice?
Dr. Jennifer Klenske practices at 611 E Sherman Ave, Fort Atkinson, WI 535381960. Office phone: 9205685000.
What is Dr. Jennifer Klenske's NPI?
Dr. Jennifer Klenske's National Provider Identifier (NPI) is 1841350022, issued by NPPES.
Does Dr. Jennifer Klenske accept Medicare assignment?
Yes. Dr. Jennifer Klenske accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Klenske commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.