Physician Profile
Unclaimed ProfileAbout WILLIAMS
John C Williams, MD is a healthcare provider in Jacksonville, FL specialising in urology. John trained at Virginia Commonwealth University, School of Medicine, graduating in 1990.
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 is Dr. Williams's specialty?
Dr. Williams is an urology in Jacksonville, FL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “UROLOGY”.
NPI registry
Where can I find Dr. Williams?
Dr. Williams is listed at 1370 13TH AVE S SUITE 115, Jacksonville, FL 32250. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Williams?
The number on file is (904) 421-2119. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Williams's NPI number?
Dr. Williams's National Provider Identifier is 1316040546. 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
What is Dr. Williams's medical education?
Dr. Williams attended Virginia Commonwealth University, School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Williams been practising?
Dr. Williams has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Williams known for?
According to Medicare billing data, Dr. Williams performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and simple insertion of temporary bladder tube; reads or performs imaging such as complete ultrasound scan behind abdominal cavity and imaging of urinary tract following injection of a contrast agent; provides treatments such as injection of drug or substance under skin or into muscle and 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
Has Dr. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (904) 421-2119
- Email not available
Practice Locations
1370 13TH AVE S SUITE 115
Jacksonville, FL 32250
Procedures Most Often Billed to Medicare
5,132 services · 2,927 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
92 |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
74 |
| Simple insertion of temporary bladder tube | Procedure | 51702 |
31 |
| Insertion of tube into ureter using an endoscope through bladder area | Procedure | 52005 |
29 |
| Insertion of stent in ureter using an endoscope | Procedure | 52332 |
28 |
| Complete laser vaporization of prostate including control of bleeding using an endoscope | Procedure | 52648 |
19 |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
15 |
| Biopsy of prostate gland | Procedure | 55700 |
14 |
| Needle biopsy of prostate gland using image guidance | Procedure | 55706 |
13 |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
114 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
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.
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 Jacksonville 8
Same specialty, same city.
Trained at Virginia Commonwealth University, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1990 at Virginia Commonwealth University, School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in FL 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.