Doctor profile · Federal record

Dr. Mark Gideonsen, MD

Family Medicine Physician (CMS: Family Practice) · Eau Claire, WI

  • NPI 1841236445
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1002 W Clairemont Ave
Eau Claire, WI 547016123
(534) 200-6165
fax (534) 200-6166

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 27, 2024
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #44761

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841236445. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
717
Distinct HCPCS
10
Medicare allowed
$38,555
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 108 48 $74
99213 Established patient office or other outpatient visit, 20-29 minutes 107 71 $86
36415 Insertion of needle into vein for collection of blood sample 89 59 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 69 44 $122
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 51 34 $8
99238 Hospital discharge day management, 30 minutes or less 49 40 $76
80048 Blood test, basic group of blood chemicals (calcium, total) 41 32 $8
83036 Hemoglobin a1c level 29 23 $10
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 28 11 $38
80053 Blood test, comprehensive group of blood chemicals 26 24 $10

In context: peer comparison

Among 28 peers in this city , average services per provider: 52. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
881
Patients
184
Total drug cost
$11,804
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 104 30 $1,233
Lisinopril Generic 94 28 $795
Levothyroxine Sodium Generic 76 17 $1,211
Metformin Hcl Generic 70 19 $1,079
Warfarin Sodium Generic 65 0 $536
Amlodipine Besylate Generic 60 12 $414
Omeprazole Generic 56 17 $807
Furosemide Generic 54 20 $346
Hydrochlorothiazide Generic 53 0 $185
Metoprolol Succinate Generic 53 14 $726

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Gideonsen's medical specialty?
Dr. Mark Gideonsen practices Family Medicine Physician in Eau Claire, WI.
Where does Dr. Mark Gideonsen practice?
Dr. Mark Gideonsen practices at 1002 W Clairemont Ave, Eau Claire, WI 547016123. Office phone: 5342006165.
What is Dr. Mark Gideonsen's NPI?
Dr. Mark Gideonsen's National Provider Identifier (NPI) is 1841236445, issued by NPPES.
Does Dr. Mark Gideonsen accept Medicare assignment?
Yes. Dr. Mark Gideonsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Gideonsen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.