Doctor profile · Federal record

Dr. James Munn, MD

Internal Medicine Physician (CMS: Internal Medicine) · Onalaska, WI

  • NPI 1417959735
  • Accepts Medicare
  • 56 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3111 Gundersen Dr
Onalaska, WI 546508447
(608) 796-8630
Mailing address
1836 South Ave
La Crosse, WI 546015429

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 2, 2015
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #18527
Medicaid
WI #31105000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417959735. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
520
Distinct HCPCS
3
Medicare allowed
$48,865
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 246 210 $93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 144 144 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 130 114 $63

In context: peer comparison

Among 6 peers in this city , average services per provider: 78. This provider delivers 6.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,579
Patients
943
Total drug cost
$188,612
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 484 126 $7,899
Amlodipine Besylate Generic 380 101 $3,376
Simvastatin Generic 307 76 $2,468
Lisinopril Generic 293 81 $2,649
Losartan Potassium Generic 291 77 $4,911
Metoprolol Succinate Generic 273 73 $5,524
Levothyroxine Sodium Generic 249 68 $3,665
Metoprolol Tartrate Generic 232 56 $2,229
Omeprazole Generic 226 67 $3,058
Hydrochlorothiazide Generic 176 48 $889

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Munn's medical specialty?
Dr. James Munn practices Internal Medicine Physician in Onalaska, WI.
Where does Dr. James Munn practice?
Dr. James Munn practices at 3111 Gundersen Dr, Onalaska, WI 546508447. Office phone: 6087968630.
What is Dr. James Munn's NPI?
Dr. James Munn's National Provider Identifier (NPI) is 1417959735, issued by NPPES.
Does Dr. James Munn accept Medicare assignment?
Yes. Dr. James Munn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Munn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.