NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Summit Alternatives Lmsw PC

Community/Behavioral Health Agency in Ithaca, NY · enumerated 2020 · authorized official Michael Sullivan, President.

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

National Provider Identifier

1457959843

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Summit Alternatives Lmsw PC
Practice address 215 North Cayuga Street, 2nd Floor Business Complex, Ithaca, NY, 14850
Enumeration date Oct 16, 2020
Last updated in NPPES Oct 16, 2020

Taxonomy & classification

251S00000X Community/Behavioral Health Agency Agencies Primary

Authorized official

Name Michael Sullivan
Title President

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

Who is the authorized official for Summit Alternatives Lmsw PC?
NPPES lists Michael Sullivan (President) as the authorized official for this organization.
What is the NPI number for Summit Alternatives Lmsw PC?
The NPI for Summit Alternatives Lmsw PC is 1457959843, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-16.