Winthrop Oncology Hematology Associates, PC
NPI 1891850962 · Hematology & Oncology Physician · Mineola, NY
Winthrop Oncology Hematology Associates, PC is a Hematology & Oncology Physician organization in Mineola, NY (NPI 1891850962).
Provider details
- NPI number
- 1891850962
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Harry Staszewski, President(516) 663-9500
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-27
- Last updated
- 2008-02-29
Frequently asked questions
- What is Winthrop Oncology Hematology Associates, PC's NPI number?
- Winthrop Oncology Hematology Associates, PC's National Provider Identifier (NPI) is 1891850962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Winthrop Oncology Hematology Associates, PC?
- Winthrop Oncology Hematology Associates, PC is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Winthrop Oncology Hematology Associates, PC located?
- Winthrop Oncology Hematology Associates, PC's practice location on file with NPPES is 200 Old Country Rd, Mineola, NY 11501-4235.
- What is Winthrop Oncology Hematology Associates, PC's phone number?
- The practice phone number listed in the NPPES registry for Winthrop Oncology Hematology Associates, PC is (516) 663-9500.
- Who is the authorized official for Winthrop Oncology Hematology Associates, PC?
- The authorized official listed on Winthrop Oncology Hematology Associates, PC's NPPES record is Harry Staszewski, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Winthrop Oncology Hematology Associates, PC's NPI active?
- Yes — Winthrop Oncology Hematology Associates, PC's NPI (1891850962) is active in the NPPES registry as of the last update on 2008-02-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.