OrganizationActive
Southside Hospital
NPI 1275541104 · Rehabilitation Hospital Unit · Bay Shore, NY
Southside Hospital is a Rehabilitation Hospital Unit organization in Bay Shore, NY (NPI 1275541104).
Provider details
- NPI number
- 1275541104
- Entity type
- Organization
- Primary specialty
- Rehabilitation Hospital UnitHospital Units
- Organization subpart
- No
- Authorized official
- Michele Cusack, Senior Vice President & Cfo(516) 321-6058
- License
- 5154000H (NY)
Specialties & taxonomies
Hospital Units
Profile Score
Detailed profile(91/100 index)
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
301 E Main St
Bay Shore, NY 11706-8408
Phone: (516) 876-6065
Fax: (516) 876-5572
Street-level locationGet directions
Mailing address
972 Brush Hollow Rd Fl 5
Westbury, NY 11590-1740
Other names (DBA / former)
- Other name
- Rehabilitation Unit
- Other name
- Rehabilitation Unit
Registry dates
- Enumerated
- 2006-08-04
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Southside Hospital's NPI number?
- Southside Hospital's National Provider Identifier (NPI) is 1275541104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Southside Hospital?
- Southside Hospital is classified in the NPPES registry as Rehabilitation Hospital Unit (Hospital Units).
- Where is Southside Hospital located?
- Southside Hospital's practice location on file with NPPES is 301 E Main St, Bay Shore, NY 11706-8408.
- What is Southside Hospital's phone number?
- The practice phone number listed in the NPPES registry for Southside Hospital is (516) 876-6065.
- Who is the authorized official for Southside Hospital?
- The authorized official listed on Southside Hospital's NPPES record is Michele Cusack, Senior Vice President & Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Southside Hospital's NPI active?
- Yes — Southside Hospital's NPI (1275541104) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.