Physician Profile
John J. Wrenn, MD
Unclaimed ProfileAbout Dr. Wrenn
John J. Wrenn, MD is a healthcare provider in Greensboro, NC specializing in urology. John trained at University of Tennessee, Hsc, College of Medicine, graduating in 1985. Medicare claims data shows John provided 6,052 services to 1,628 patients.
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
Source: NPPES NPI Registry
Contact Information
- (336) 274-1114
- Email not available
Practice Locations
509 N ELAM AVE FL 2
Greensboro, NC 27403
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
6,052 services · 1,628 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
117 |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
69 |
| Electronic assessment of bladder emptying | Procedure | 51741 |
40 |
| Simple insertion of temporary bladder tube | Procedure | 51702 |
36 |
| Instillation of anti-cancer drug into bladder | Procedure | 51720 |
32 |
| Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | Procedure | 51784 |
24 |
| Biopsy of prostate gland | Procedure | 55700 |
15 |
| Insertion of device into abdomen with pressure and urine flow rate study | Procedure | 51797 |
14 |
| Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies | Procedure | 51729 |
14 |
| Injection procedure for imaging of bladder during voiding | Procedure | 51600 |
13 |
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 urology specialists 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 urology specialists in Greensboro 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Tennessee, Hsc, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at University of Tennessee, Hsc, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in NC who bill this service to Medicare most often.
Common questions
What does Dr. Wrenn specialize in?
Dr. Wrenn is an urology in Greensboro, NC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Wrenn located?
Dr. Wrenn is listed at 509 N Elam Ave Fl 2, Greensboro, NC 27403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Wrenn's phone number?
The number on file is (336) 274-1114. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Wrenn?
Dr. Wrenn's National Provider Identifier is 1659372019. 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. Wrenn go to medical school?
Dr. Wrenn attended University of Tennessee, Hsc, College of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Wrenn have?
Dr. Wrenn has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Wrenn do most often?
According to Medicare billing data, Dr. Wrenn performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and electronic assessment of bladder emptying; reads or performs imaging such as x-ray of abdomen, 1 view and limited ultrasound scan behind abdominal cavity; provides treatments such as administration of hormonal anti-neoplastic chemotherapy under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Wrenn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Wrenn. 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.