Doctor profile · Federal record

Dr. Mark Weidemann, APNP

Nurse Practitioner · Oshkosh, WI

  • NPI 1194030981
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
855 N Westhaven Dr
Oshkosh, WI 549047668
(920) 303-8700
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
August 26, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Wisconsin #4130
Medicaid
WI #100011037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194030981. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
224
Distinct HCPCS
7
Medicare allowed
$13,724
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 101 77 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 32 25 $12
93280 Programming of dual lead pacemaker system 25 18 $63
93285 Programming of cardiac rhythm monitor system 21 15 $45
99214 Established patient office or other outpatient visit, 30-39 minutes 18 17 $104
93040 Electrocardiogram (ecg) 1 to 3 leads with review by physician 15 14 $10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $129

In context: peer comparison

Among 28 peers in Oshkosh Nurse Practitioner, average services per provider: 48. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$109
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $109.33

By nature of payment

Food and Beverage
$109

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
398
Patients
132
Total drug cost
$119,491
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 81 22 $77,035
Flecainide Acetate Generic 65 21 $5,320
Metoprolol Succinate Generic 64 22 $1,126
Dofetilide Generic 54 16 $7,343
Amiodarone Hcl Generic 47 21 $1,481
Metoprolol Tartrate Generic 40 18 $493
Sotalol (Sotalol Hcl) Brand 31 12 $550
Xarelto (Rivaroxaban) Brand 16 0 $26,143

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Weidemann's medical specialty?
Dr. Mark Weidemann practices Nurse Practitioner in Oshkosh, WI.
Where does Dr. Mark Weidemann practice?
Dr. Mark Weidemann practices at 855 N Westhaven Dr, Oshkosh, WI 549047668. Office phone: 9203038700.
What is Dr. Mark Weidemann's NPI?
Dr. Mark Weidemann's National Provider Identifier (NPI) is 1194030981, issued by NPPES.
Does Dr. Mark Weidemann accept Medicare assignment?
Yes. Dr. Mark Weidemann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Weidemann commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Programming of dual lead pacemaker system (HCPCS 93280). Source: CMS Medicare Physician & Other Practitioners file.