Doctor profile · Federal record

Dr. Stephen Wissink, MD

Internal Medicine Physician (CMS: Internal Medicine) · La Crosse, WI

  • NPI 1114921863
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
March 19, 2014
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #37855
Medicaid
WI #34076000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114921863. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
535
Distinct HCPCS
4
Medicare allowed
$61,508
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 199 154 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 165 132 $137
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 156 156 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 15 15 $63

In context: peer comparison

Among 36 peers in La Crosse Internal Medicine Physician, average services per provider: 83. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,824
Patients
1,325
Total drug cost
$332,074
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 780 206 $14,668
Amlodipine Besylate Generic 528 146 $3,840
Lisinopril Generic 457 124 $3,572
Losartan Potassium Generic 374 110 $5,915
Metoprolol Succinate Generic 301 95 $5,648
Omeprazole Generic 292 78 $4,375
Eliquis (Apixaban) Brand 283 59 $262,227
Rosuvastatin Calcium Generic 276 91 $6,621
Tamsulosin Hcl Generic 270 69 $6,602
Metoprolol Tartrate Generic 260 62 $2,664

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Wissink's medical specialty?
Dr. Stephen Wissink practices Internal Medicine Physician in La Crosse, WI.
Where does Dr. Stephen Wissink practice?
Dr. Stephen Wissink practices at 1836 South Ave, La Crosse, WI 546015429. Office phone: 6087827300.
What is Dr. Stephen Wissink's NPI?
Dr. Stephen Wissink's National Provider Identifier (NPI) is 1114921863, issued by NPPES.
Does Dr. Stephen Wissink accept Medicare assignment?
Yes. Dr. Stephen Wissink accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Wissink commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.