Doctor profile · Federal record

Dr. John Shields, M.D.

Urology Physician (CMS: Urology) · Urology Physician · Brooklyn, NY

  • NPI 1699091199
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
451 Clarkson Ave
Brooklyn, NY 112032054
(718) 245-4110
fax (718) 245-3592
Mailing address
451 Clarkson Ave Bldg 9Th
Brooklyn, NY 112032054

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
December 7, 2018
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
208800000X — NUCC code
State licenses (2)
New York #286086 · Florida #ME128662
Medicaid
FL #018424500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699091199. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$480
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Baxter Healthcare 2 $280.54
Sumitomo Pharma America, Inc. 3 $73.16
Bayer Healthcare Pharmaceuticals Inc. 3 $67.96
Boston Scientific Corporation 1 $58.44

By nature of payment

Food and Beverage
$480

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
364
Patients
167
Total drug cost
$164,009
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 167 81 $5,092
Finasteride Generic 114 55 $1,966
Ciprofloxacin Hcl Generic 34 31 $215
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 20 0 $397
Oxybutynin Chloride Generic 17 0 $827
Xtandi (Enzalutamide) Brand 12 0 $155,512

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Shields's medical specialty?
Dr. John Shields practices Urology Physician in Brooklyn, NY.
Where does Dr. John Shields practice?
Dr. John Shields practices at 451 Clarkson Ave, Brooklyn, NY 112032054. Office phone: 7182454110.
What is Dr. John Shields's NPI?
Dr. John Shields's National Provider Identifier (NPI) is 1699091199, issued by NPPES.
Does Dr. John Shields accept Medicare assignment?
Yes. Dr. John Shields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.