Doctor profile · Federal record

Dr. Donald Wender, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Sioux City, IA

  • NPI 1861463275
  • Accepts Medicare
  • MIPS 97.0 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
230 Nebraska St
Sioux City, IA 511011733
(712) 252-0088
fax (712) 252-5271

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 26, 2015
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Iowa #26404
Medicaid
IA #0039966

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861463275. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130,484
Distinct HCPCS
10
Medicare allowed
$3,314,260
HCPCS Description Services Patients Avg allowed
J9299 Injection, nivolumab, 1 mg 29,761 20 $29
J9271 Injection, pembrolizumab, 1 mg 23,000 39 $54
J1453 Injection, fosaprepitant, 1 mg 16,050 51 $0
J9263 Injection, oxaliplatin, 0.5 mg 9,200 13 $0
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 8,100 12 $48
J0897 Injection, denosumab, 1 mg 7,200 43 $23
J9267 Injection, paclitaxel, 1 mg 6,560 17 $0
J1756 Injection, iron sucrose, 1 mg 5,900 12 $0
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg 2,680 12 $45
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,511 85 $0

In context: peer comparison

Among 2 peers in this city , average services per provider: 1,410. This provider delivers 93× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,979
Transactions
112
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 10 $263.29
AstraZeneca Pharmaceuticals LP 9 $252.02
Novartis Pharmaceuticals Corporation 14 $244.38
PFIZER INC. 17 $219.17
E.R. Squibb & Sons, L.L.C. 11 $182.93
Daiichi Sankyo Inc. 10 $160.31
ABBVIE INC. 9 $138.38
Lilly USA, LLC 7 $112.39
EMD Serono, Inc. 2 $106.47
Genentech USA, Inc. 4 $94.43
PharmaEssentia USA Corporation 4 $92.06
SERVIER PHARMACEUTICALS LLC 5 $90.30
Genentech, Inc. 1 $84.62
Merck Sharp & Dohme LLC 5 $83.55
Eisai Inc. 4 $69.77

By nature of payment

Food and Beverage
$2,964
Education
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,293
Patients
288
Total drug cost
$3,915,954
Drug Type Claims Patients Total cost
Anastrozole Generic 239 54 $3,593
Hydroxyurea Generic 141 34 $3,074
Letrozole Generic 109 28 $3,084
Prednisone Generic 101 24 $584
Dexamethasone Generic 92 31 $1,500
Tamoxifen Citrate Generic 82 24 $1,411
Acyclovir Generic 80 25 $1,042
Calquence (Acalabrutinib Maleate) Brand 72 0 $838,059
Gabapentin Generic 70 21 $985
Revlimid (Lenalidomide) Brand 67 12 $1,134,775

Frequently asked questions

Auto-generated from federal data
What is Dr. Donald Wender's medical specialty?
Dr. Donald Wender practices Hematology & Oncology Physician in Sioux City, IA.
Where does Dr. Donald Wender practice?
Dr. Donald Wender practices at 230 Nebraska St, Sioux City, IA 511011733. Office phone: 7122520088.
What is Dr. Donald Wender's NPI?
Dr. Donald Wender's National Provider Identifier (NPI) is 1861463275, issued by NPPES.
Does Dr. Donald Wender accept Medicare assignment?
Yes. Dr. Donald Wender accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Wender commonly perform?
Top Medicare-reported procedures in 2023: Injection, nivolumab, 1 mg (HCPCS J9299); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453). Source: CMS Medicare Physician & Other Practitioners file.