Doctor profile · Federal record

Dr. Dennis Thum

Urology Physician (CMS: Urology) · Sioux Falls, SD

  • NPI 1245619543
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 W 69Th St
Sioux Falls, SD 57108
(605) 336-0635
fax (605) 271-0543

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
July 17, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
South Dakota #11021

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245619543. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,653
Distinct HCPCS
10
Medicare allowed
$135,849
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 3,040 32 $0
J9030 Bcg live intravesical instillation, 1 mg 1,000 14 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 348 286 $70
81001 Manual urinalysis test with examination using microscope, automated 157 143 $3
99214 Established patient office or other outpatient visit, 30-39 minutes 118 106 $117
36415 Insertion of needle into vein for collection of blood sample 93 84 $8
51798 Ultrasound measurement of bladder capacity after voiding 86 85 $10
52000 Diagnostic exam of bladder and urethra using an endoscope 86 78 $73
84153 Psa (prostate specific antigen) measurement, total 85 77 $18
99204 New patient office or other outpatient visit, 45-59 minutes 67 67 $160

In context: peer comparison

Among 7 peers in this city , average services per provider: 234. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$199
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
PROCEPT BioRobotics Corporation 1 $124.83
PFIZER INC. 1 $20.15
Medtronic, Inc. 1 $18.37
Sumitomo Pharma America, Inc. 1 $18.15
Smith+Nephew, Inc. 1 $17.26

By nature of payment

Food and Beverage
$199

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,048
Patients
299
Total drug cost
$64,440
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 598 170 $11,215
Finasteride Generic 143 38 $2,860
Myrbetriq (Mirabegron) Brand 90 15 $35,967
Methenamine Hippurate Generic 70 18 $5,332
Potassium Citrate Er (Potassium Citrate) Brand 37 0 $6,824
Cephalexin Generic 29 20 $226
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 26 21 $84
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 18 17 $260
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 15 0 $191
Estradiol Generic 11 0 $1,411

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Thum's medical specialty?
Dr. Dennis Thum practices Urology Physician in Sioux Falls, SD.
Where does Dr. Dennis Thum practice?
Dr. Dennis Thum practices at 201 W 69Th St, Sioux Falls, SD 57108. Office phone: 6053360635.
What is Dr. Dennis Thum's NPI?
Dr. Dennis Thum's National Provider Identifier (NPI) is 1245619543, issued by NPPES.
Does Dr. Dennis Thum accept Medicare assignment?
Yes. Dr. Dennis Thum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Thum commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Bcg live intravesical instillation, 1 mg (HCPCS J9030); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.