Doctor profile · Federal record

Dr. Darren Lokkesmoe, MD

Internal Medicine Physician (CMS: Hospitalist) · Eau Claire, WI

  • NPI 1164401774
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
733 W Clairemont Ave
Eau Claire, WI 547016101
(715) 838-5222
Mailing address
Po Box 1510
Eau Claire, WI 547021510

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
September 10, 2020
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #39909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164401774. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
862
Distinct HCPCS
4
Medicare allowed
$73,758
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 633 206 $76
99239 Hospital discharge day management, more than 30 minutes 138 134 $109
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 46 38 $114
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 45 $124

In context: peer comparison

Among 16 peers in this city , average services per provider: 80. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
327
Patients
141
Total drug cost
$12,127
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 38 0 $490
Metoprolol Tartrate Generic 37 13 $213
Furosemide Generic 34 11 $161
Metoprolol Succinate Generic 29 16 $361
Eliquis (Apixaban) Brand 24 11 $8,979
Prednisone Generic 23 18 $96
Atorvastatin Calcium Generic 20 12 $223
Pantoprazole Sodium Generic 17 11 $144
Torsemide Generic 17 11 $278
Potassium Chloride Generic 16 12 $241

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Darren Lokkesmoe's medical specialty?
Dr. Darren Lokkesmoe practices Internal Medicine Physician in Eau Claire, WI.
Where does Dr. Darren Lokkesmoe practice?
Dr. Darren Lokkesmoe practices at 733 W Clairemont Ave, Eau Claire, WI 547016101. Office phone: 7158385222.
What is Dr. Darren Lokkesmoe's NPI?
Dr. Darren Lokkesmoe's National Provider Identifier (NPI) is 1164401774, issued by NPPES.
Does Dr. Darren Lokkesmoe accept Medicare assignment?
Yes. Dr. Darren Lokkesmoe accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Lokkesmoe commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.