Msk Nassau
NPI 1053875229 · Medical Oncology Physician · Uniondale, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Msk Nassau is a Medical Oncology Physician organization in Uniondale, NY (NPI 1053875229).
Provider details
- NPI number
- 1053875229
- Entity type
- Organization
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Salvatore Andreozzi, Vp(646) 227-3751
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Radiation Oncology Physician2085R0001X
Allopathic & Osteopathic Physicians
- Surgical Oncology Physician2086X0206X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2019-01-22
- Last updated
- 2019-01-22
Frequently asked questions
- What is Msk Nassau's NPI number?
- Msk Nassau's National Provider Identifier (NPI) is 1053875229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Msk Nassau?
- Msk Nassau is classified in the NPPES registry as Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Msk Nassau located?
- Msk Nassau's practice location on file with NPPES is 1101 Hempstead Turnpike, Uniondale, NY 11553.
- What is Msk Nassau's phone number?
- The practice phone number listed in the NPPES registry for Msk Nassau is (212) 639-2000.
- Does Msk Nassau accept Medicare?
- Msk Nassau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Msk Nassau?
- The authorized official listed on Msk Nassau's NPPES record is Salvatore Andreozzi, Vp. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Msk Nassau's NPI active?
- Yes — Msk Nassau's NPI (1053875229) is active in the NPPES registry as of the last update on 2019-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.