Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Riverstone Senior Life Services

Voluntary or Charitable Agency in New York City, NY · enumerated 2008 · authorized official Ilana Dunner, Executive Director.

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

National Provider Identifier

1538320940

Verified

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Registry record

Entity type Organization (Type 2)

Legal business name Riverstone Senior Life Services

Other name <Unavail>

Practice address 99 Fort Washington Ave., New York City, NY, 10032

Phone (212) 927-5600

Fax (212) 927-5612

Enumeration date Jun 18, 2008

Last updated in NPPES Aug 27, 2015

Taxonomy & classification

251V00000X Voluntary or Charitable Agency Agencies Primary

Authorized official

Name Ilana Dunner

Title Executive Director

Phone (212) 927-5600

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 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.

What type of organization is Riverstone Senior Life Services?

Riverstone Senior Life Services is registered in NPPES as a Voluntary or Charitable Agency (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-27.