St. Catherine of Siena Medical Center
NPI 1154764819 · General Acute Care Hospital · Smithtown, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
St. Catherine of Siena Medical Center is a General Acute Care Hospital organization in Smithtown, NY (NPI 1154764819).
Provider details
- NPI number
- 1154764819
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Lori Hummel, Director(631) 465-6001
Specialties & taxonomies
Hospitals
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-04-12
- Last updated
- 2013-04-12
Frequently asked questions
- What is St. Catherine of Siena Medical Center's NPI number?
- St. Catherine of Siena Medical Center's National Provider Identifier (NPI) is 1154764819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is St. Catherine of Siena Medical Center?
- St. Catherine of Siena Medical Center is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is St. Catherine of Siena Medical Center located?
- St. Catherine of Siena Medical Center's practice location on file with NPPES is 50 Route 25a, Smithtown, NY 11787-1348.
- What is St. Catherine of Siena Medical Center's phone number?
- The practice phone number listed in the NPPES registry for St. Catherine of Siena Medical Center is (631) 862-3000.
- Does St. Catherine of Siena Medical Center accept Medicare?
- St. Catherine of Siena Medical Center 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 St. Catherine of Siena Medical Center?
- The authorized official listed on St. Catherine of Siena Medical Center's NPPES record is Lori Hummel, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is St. Catherine of Siena Medical Center's NPI active?
- Yes — St. Catherine of Siena Medical Center's NPI (1154764819) is active in the NPPES registry as of the last update on 2013-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.