Physician Profile
Unclaimed ProfileAbout WARNER
John William Warner, M.D. practises urology in Winchester, VA. John is a 1998 graduate of University of North Carolina at Chapel Hill School of Medicine.
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
Areas of Expertise
Common questions
What kind of doctor is Dr. Warner?
Dr. Warner is an urology in Winchester, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “UROLOGY”.
NPI registry
What is Dr. Warner's address?
Dr. Warner is listed at 1712 AMHERST ST, Winchester, VA 22601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Warner?
The number on file is (540) 667-1712. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Warner?
Dr. Warner's National Provider Identifier is 1881795821. 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. Warner train?
Dr. Warner attended University of North Carolina at Chapel Hill School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Warner have?
Dr. Warner has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Warner perform?
According to Medicare billing data, Dr. Warner performs procedures including diagnostic exam of bladder and urethra using an endoscope, insertion of needle into vein for collection of blood sample and crushing of stone of ureter with insertion of stent using an endoscope; reads or performs imaging such as imaging of urinary tract following injection of a contrast agent and ultrasound scan of pelvic region through rectum; 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. Warner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Warner. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (540) 667-1712
- Email not available
Practice Locations
1712 AMHERST ST
Winchester, VA 22601
Procedures Most Often Billed to Medicare
3,378 services · 1,994 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
93 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
70 |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
28 |
| Insertion of stent in ureter using an endoscope | Procedure | 52332 |
22 |
| Instillation of anti-cancer drug into bladder | Procedure | 51720 |
22 |
| Biopsy of prostate gland | Procedure | 55700 |
16 |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
12 |
| Simple insertion of temporary bladder tube | Procedure | 51702 |
11 |
| Imaging of urinary tract following injection of a contrast agent | Imaging | 74420 |
26 |
| Ultrasound scan of pelvic region through rectum | Imaging | 76872 |
22 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 Winchester 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of North Carolina at Chapel Hill School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at University of North Carolina at Chapel Hill School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of bladder and urethra using an endoscope 8
Providers in VA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.