Doctor profile · Federal record

Dr. Peter Timmermans, MD

Family Medicine Physician (CMS: Family Practice) · Waupun, WI

  • NPI 1346223690
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
608 W Brown St
Waupun, WI 539631702
(920) 324-6801
Mailing address
420 E Division St
Fond du LAC, WI 549354560

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 15, 2021
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #23519
Medicaid
WI #30367500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346223690. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
6
Medicare allowed
$21,583
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 94 82 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 89 73 $119
99212 Established patient office or other outpatient visit, 10-19 minutes 25 23 $54
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 19 19 $13
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 12 12 $76
G0008 Administration of influenza virus vaccine 12 12 $29

In context: peer comparison

Among 1 peers in Waupun Family Medicine Physician, average services per provider: 41. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
342
Patients
115
Total drug cost
$6,719
Drug Type Claims Patients Total cost
Losartan Potassium Generic 40 12 $503
Atorvastatin Calcium Generic 36 18 $717
Gabapentin Generic 31 15 $387
Rosuvastatin Calcium Generic 29 17 $1,089
Prednisone Generic 25 17 $116
Metoprolol Succinate Generic 23 0 $524
Cefdinir Generic 22 21 $401
Naltrexone Hcl Generic 22 0 $1,184
Omeprazole Generic 19 0 $235
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 0 $584

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Timmermans's medical specialty?
Dr. Peter Timmermans practices Family Medicine Physician in Waupun, WI.
Where does Dr. Peter Timmermans practice?
Dr. Peter Timmermans practices at 608 W Brown St, Waupun, WI 539631702. Office phone: 9203246801.
What is Dr. Peter Timmermans's NPI?
Dr. Peter Timmermans's National Provider Identifier (NPI) is 1346223690, issued by NPPES.
Does Dr. Peter Timmermans accept Medicare assignment?
Yes. Dr. Peter Timmermans accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Timmermans commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.