Provider Profile
Dennis Thum
Unclaimed ProfileAbout Dennis Thum
Dennis Thum is a healthcare provider in Sioux Falls, SD specializing in urology. Dennis trained at Northwestern University Feinberg Medical School, graduating in 2013. Medicare claims data shows Dennis provided 4,921 services to 1,318 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (605) 336-0635
- Email not available
Practice Locations
201 W 69TH ST
Sioux Falls, SD 57108
Conditions Commonly Evaluated or Treated
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
- Bladder cancer
- Interstitial cystitis and bladder pain syndrome
- Urethral stricture
Kidney and ureter
- Kidney cancer
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
- Elevated PSA
- Enlarged prostate
- Prostatitis
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
- Overactive Bladder and Leakage
Kidney health
- Kidney Cyst
Men's health
- Chronic Pelvic Pain in Men
Urinary symptoms
- Waking Up to Pee
Procedures & services
Most searched procedures
- Circumcision
- Cystoscopy
- Kidney stone removal
- Prostatectomy
- Vasectomy
Office diagnosis
- MRI-targeted fusion prostate biopsy
- Prostate biopsy
Bladder procedures
- Artificial Urinary Sphincter Implant
- Bladder Botox Injection
- Bladder instillation therapy
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
Diagnostic imaging
- Prostate Ultrasound
Kidney & ureter procedures
- Ureteral Stent Removal
Kidney and ureter surgery
- Partial kidney removal
- Radical kidney removal
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
Prostate
- GreenLight Laser Prostate Surgery
Prostate procedures
- HoLEP Laser Prostate Surgery
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Transurethral resection of the prostate
Stone procedures
- Ureteral stent placement
Procedures Most Often Billed to Medicare
4,921 services · 1,318 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
91 | As often as other peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
81 | More often than most peers in Urology |
| Insertion of stent in ureter using an endoscope | Procedure | 52332 |
70 | More than most peers in Urology |
| Insertion of implant in urethra within prostate gland using an endoscope, each additional implant | Procedure | 52442 |
66 | As often as other peers in Urology |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
65 | Less often than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
50 | More often than most peers in Urology |
| Biopsy of prostate gland | Procedure | 55700 |
41 | More often than most peers in Urology |
| Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope | Procedure | 52310 |
28 | More often than most peers in Urology |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
26 | More often than most peers in Urology |
| Instillation of anti-cancer drug into bladder | Procedure | 51720 |
24 | Less often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other urologists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other urologists in Sioux Falls 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in SD who bill this service to Medicare most often.
Common questions
What does Dennis Thum specialize in?
Dennis Thum is an urologist in Sioux Falls, SD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Dennis Thum located?
Dennis Thum is listed at 201 W 69Th St, Sioux Falls, SD 57108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dennis Thum's phone number?
The number on file is (605) 336-0635. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dennis Thum?
Dennis Thum's National Provider Identifier is 1245619543. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dennis Thum train?
Dennis Thum attended Northwestern University Feinberg Medical School, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dennis Thum have?
Dennis Thum has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dennis Thum do most often?
According to Medicare billing data, Dennis Thum performs procedures including insertion of needle into vein for collection of blood sample, diagnostic exam of bladder and urethra using an endoscope and insertion of stent in ureter using an endoscope; reads or performs imaging such as ultrasound scan of pelvic region through rectum and ct scan of abdomen and pelvis before and after contrast, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dennis Thum's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dennis Thum. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.