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

Dr. John Steven Marino, MD

Individual provider Hematology & Oncology Physician · NPI 1538163803

Dr. John Steven Marino, MD is a Hematology & Oncology Physician in New Hyde Park, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1999 Marcus Ave Ste 300
New Hyde Park, NY 11042-1033
Phone: (516) 883-0122
Fax: (516) 883-2507
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 143453 (NY)

Record details

NPI number1538163803
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2005
Last updated in NPPESAugust 30, 2016

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