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

Organization Hematology & Oncology Physician · NPI 1114271673

Progressive Hematology and Oncology PLLC is a Hematology & Oncology Physician in Brooklyn, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2012
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

6201 15th Ave Ste 306
Brooklyn, NY 11219-5411
Phone: (718) 775-2700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 705 Avenue U, Brooklyn, NY 11223-4133 — (718) 283-4232

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 242242 (NY)

Record details

NPI number1114271673
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Sonnenschine — Chairman · (718) 775-2700
NPI enumeratedNovember 6, 2012
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026
Mailing address6201 15th Ave Ste 306, Brooklyn, NY 11219-5411

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