Dr. John M. Shields, M.D.
Urology (Urology Physician)
At a glance
- Years since graduation
- 23
- In the NPI registry since
- 2010
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2010Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Urology Physician primary
NY license 286086 · FL license ME128662
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Kings County Hospital Center Brooklyn, NY
- Jacobi Medical Center Bronx, NY
- Woodhull Medical & Mental Health Center Brooklyn, NY
Medical groups
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Tamsulosin Hcl Other prescribers in Brooklyn, NY | 194 |
| Finasteride Other prescribers in Brooklyn, NY | 171 |
| Ciprofloxacin Hcl Other prescribers in Brooklyn, NY | 49 |
| Oxybutynin Chloride Other prescribers in Brooklyn, NY | 26 |
| Oxybutynin Chloride Er (oxybutynin chloride) Other prescribers in Brooklyn, NY | 11 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 7 companies reported 10 payments worth $723 in total to this clinician.
| Shionogi Inc | $247 |
|---|---|
| Baxter Healthcare | $150 |
| Cook Medical LLC | $94.89 |
| Procept Biorobotics Corporation | $83.67 |
| Bayer HealthCare Pharmaceuticals Inc. | $65.12 |
| Boston Scientific Corporation | $55.78 |
| Sumitomo Pharma America, Inc. | $26.32 |
| Food and Beverage | $723 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.