Doctor profile · Federal record

Dr. Timothy Zeidler, PA-C

Physician Assistant · Grafton, WI

  • NPI 1437725488
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 Port Washington RD
Grafton, WI 530249201
(414) 852-8043
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
June 2021 — 5 yrs on file
Profile last updated
February 19, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Wisconsin #5639
Medicaid
WI #100194132

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437725488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
51
Distinct HCPCS
3
Medicare allowed
$3,337
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 21 16 $95
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 19 18 $11
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $102

In context: peer comparison

Among 10 peers in Grafton Physician Assistant, average services per provider: 42. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$80
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $52.88
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $26.70

By nature of payment

Food and Beverage
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
155
Patients
34
Total drug cost
$27,924
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 54 22 $717
Eliquis (Apixaban) Brand 27 12 $24,113
Amiodarone Hcl Generic 18 0 $265
Dofetilide Generic 18 0 $1,920
Metoprolol Tartrate Generic 14 0 $118
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 12 0 $327
Flecainide Acetate Generic 12 0 $463

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Zeidler's medical specialty?
Dr. Timothy Zeidler practices Physician Assistant in Grafton, WI.
Where does Dr. Timothy Zeidler practice?
Dr. Timothy Zeidler practices at 975 Port Washington RD, Grafton, WI 530249201. Office phone: 4148528043.
What is Dr. Timothy Zeidler's NPI?
Dr. Timothy Zeidler's National Provider Identifier (NPI) is 1437725488, issued by NPPES.
Does Dr. Timothy Zeidler accept Medicare assignment?
Yes. Dr. Timothy Zeidler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Zeidler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.