Doctor profile · Federal record

Dr. Brenda Vanmersbergen, AGPCNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Adult Health Nurse Practitioner · Gerontology Nurse Practitioner · Oconomowoc, WI

  • NPI 1568185114
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
230 N Prairie Dr
Oconomowoc, WI 530668617
(262) 468-8883
Mailing address
2428 N Grandview Blvd Ste 102
Waukesha, WI 531886906

Credentials & registration

NPPES · NUCC
NPI registered
September 2022 — 4 yrs on file
Profile last updated
January 6, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
Wisconsin #13148 · Wisconsin #1314833

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568185114. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
242
Distinct HCPCS
4
Medicare allowed
$21,146
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 131 115 $101
99213 Established patient office or other outpatient visit, 20-29 minutes 87 79 $72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 13 13 $104
71046 X-ray of chest, 2 views 11 11 $22

In context: peer comparison

Among 2 peers in Oconomowoc Adult Health Nurse Practitioner, average services per provider: 60. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
741
Patients
435
Total drug cost
$44,250
Drug Type Claims Patients Total cost
Gabapentin Generic 113 46 $1,617
Furosemide Generic 60 35 $388
Tramadol Hcl Generic 52 27 $601
Rosuvastatin Calcium Generic 51 34 $751
Atorvastatin Calcium Generic 48 33 $700
Amlodipine Besylate Generic 47 31 $323
Trazodone Hcl Generic 46 25 $530
Metoprolol Succinate Generic 45 27 $953
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 43 41 $547
Losartan Potassium Generic 43 23 $391

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brenda Vanmersbergen's medical specialty?
Dr. Brenda Vanmersbergen practices Adult Health Nurse Practitioner in Oconomowoc, WI.
Where does Dr. Brenda Vanmersbergen practice?
Dr. Brenda Vanmersbergen practices at 230 N Prairie Dr, Oconomowoc, WI 530668617. Office phone: 2624688883.
What is Dr. Brenda Vanmersbergen's NPI?
Dr. Brenda Vanmersbergen's National Provider Identifier (NPI) is 1568185114, issued by NPPES.
Does Dr. Brenda Vanmersbergen accept Medicare assignment?
Yes. Dr. Brenda Vanmersbergen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brenda Vanmersbergen 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.