Physician Profile
Karl J. Kreder, MD
Unclaimed ProfileAbout Dr. Kreder
Karl J. Kreder, MD is a healthcare provider in Iowa City, IA specializing in urology. Karl trained at Georgetown University School of Medicine, graduating in 1981. According to Medicare claims data, Karl cared for 647 Medicare patients across 687 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and review by radiologist of urinary bladder and urethra images with contrast and after passing urine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (319) 353-8771
- Email not available
Practice Locations
200 HAWKINS DR
Iowa City, IA 52242
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
Kidney and ureter
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
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
Men's health
Urinary symptoms
Procedures & services
Most searched procedures
Office diagnosis
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
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
Prostate
Prostate procedures
- HoLEP Laser Prostate Surgery
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Transurethral resection of the prostate
Stone procedures
Procedures Most Often Billed to Medicare
687 services · 647 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | Procedure | 51784 |
53 | More often than most peers in Urology |
| Insertion of device into abdomen with pressure and urine flow rate study | Procedure | 51797 |
46 | More often than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
43 | Less often than most peers in Urology |
| Complex measurement of pressure of urine flow in bladder with voiding pressure studies | Procedure | 51728 |
33 | More often than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
24 | As often as other peers in Urology |
| Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies | Procedure | 51729 |
15 | Less often than most peers in Urology |
| Review by radiologist of urinary bladder and urethra images with contrast and after passing urine | Imaging | 74455 |
58 | More often than most peers in Urology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
150 | As often as other peers in Urology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
144 | As often as other peers in Urology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
53 | As often as other 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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other urologists in Iowa City 7
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 8
Providers in IA who bill this service to Medicare most often.
Common questions
What does Dr. Kreder specialize in?
Dr. Kreder is an urologist in Iowa City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Dr. Kreder located?
Dr. Kreder is listed at 200 Hawkins Dr, Iowa City, IA 52242. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Kreder's phone number?
The number on file is (319) 353-8771. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Kreder's NPI number?
Dr. Kreder's National Provider Identifier is 1487655700. 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 Dr. Kreder go to medical school?
Dr. Kreder attended Georgetown University School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Kreder been practicing?
Dr. Kreder has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Kreder do most often?
According to Medicare billing data, Dr. Kreder performs procedures including non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings, insertion of device into abdomen with pressure and urine flow rate study and diagnostic exam of bladder and urethra using an endoscope; reads or performs imaging such as review by radiologist of urinary bladder and urethra images with contrast and after passing urine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Kreder confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kreder. 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.