# PROGRESSIVE HEMATOLOGY AND ONCOLOGY PLLC

> Is this information incorrect? This page shows public data from NPPES. Update your record in NPPES and this page will update automatically within 7 days. [Update your NPPES record](https://nppes.cms.hhs.gov)

- **Entity:** Organization
- **Status:** Active
- **Organization subpart:** No

## Provider details

- **NPI number:** 1114271673
- **Authorized official:** MARK SONNENSCHINE DO (CHAIRMAN)
- **Authorized official phone:** (718) 283-4232

## Contact information

- **Practice address:** 6201 15TH AVE STE 306, BROOKLYN, NY 11219-5411
- **Practice address phone:** (718) 775-2700
- **Mailing address:** 6201 15TH AVE STE 306, BROOKLYN, NY 11219-5411
- **Mailing address phone:** (718) 775-2700

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 207RH0003X | Hematology & Oncology Physician | 242242 | NY | Yes |

## Other

- **Enumeration date:** 11/06/2012
- **Last updated:** 08/13/2026