Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Sl 21 Physical Therapy PC

Q: What type of organization is Sl 21 Physical Therapy PC?

Sl 21 Physical Therapy PC is registered in NPPES as a Physical Therapy Clinic/Center (its primary provider taxonomy).

Physical Therapy Clinic/Center in Flushing, NY · enumerated 2021 · authorized official Seongjae Lee, President.

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

National Provider Identifier

1790450385

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Registry record

Entity type Organization (Type 2)

Legal business name Sl 21 Physical Therapy PC

Practice address 3323 172nd St, Flushing, NY, 11358

Phone (929) 465-2835

Enumeration date Aug 16, 2021

Last updated in NPPES Aug 16, 2021

Taxonomy & classification

261QP2000X Physical Therapy Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Seongjae Lee

Title President

Phone (929) 465-2835

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 Sl 21 Physical Therapy PC?

Sl 21 Physical Therapy PC is registered in NPPES as a Physical Therapy Clinic/Center (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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-16.