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

Steven J Zimmerman, MD

Individual provider Emergency Medicine Physician · NPI 1356371975

Steven J Zimmerman, MD is an Emergency Medicine in West Islip, New York. Qualified in 1996, 30 years ago. Practices with City Medical of Upper East Side PLLC, a 663-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
30
Licensed in
NY
In the registry since
2006
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

1000 Montauk Hwy
West Islip, NY 11795-2145
Phone: (631) 376-4094
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 210527 (NY)

Record details

NPI number1356371975
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESSeptember 19, 2011

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice City Medical Of Upper East Side Pllc — 663 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in West Islip