Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Martin Shields, MD

Individual provider Urology Physician · NPI 1699091199

Dr. John Martin Shields, MD is an Urology in Brooklyn, New York. Qualified in 2003, 23 years ago. Practices with University Hospital of Brooklyn Suny Downstate Health Sciences Univers, a 90-clinician group and accepts Medicare assignment. Licensed in Florida and New York.

Years since qualifying
23
Licensed in
FL, NY
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

451 Clarkson Ave
Brooklyn, NY 11203-2054
Phone: (718) 245-4110
Fax: (718) 245-3592
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 286086 (NY)
Urology Physician Taxonomy 208800000X · Licence ME128662 (FL)

Record details

NPI number1699091199
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 9, 2010
Last updated in NPPESDecember 7, 2018
Mailing address451 Clarkson Ave Bldg 9th, Brooklyn, NY 11203-2054

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyUROLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice University Hospital Of Brooklyn Suny Downstate Health Sciences Univers — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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