Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mary Immaculate Hospital

Q: What type of organization is Mary Immaculate Hospital?

Mary Immaculate Hospital is registered in NPPES as a Critical Access Hospital (its primary provider taxonomy).

Critical Access Hospital in Stony Brook, NY · enumerated 2007 · authorized official Usha Ruder, Chair, Pathology Department.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1245364223

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)

Legal business name Mary Immaculate Hospital

Practice address 24 Night Heron Dr, Stony Brook, NY, 11790

Phone (631) 689-5654

Fax (718) 558-2166

Enumeration date Mar 14, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

282NC0060X Critical Access Hospital Hospitals · License 115646 (NY) Primary

Authorized official

Name Usha Ruder

Title Chair, Pathology Department

Phone (715) 558-2714

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Mary Immaculate Hospital?

Mary Immaculate Hospital is registered in NPPES as a Critical Access Hospital (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.