Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Dr. Joan Sy Medical Corporation

Family Medicine Physician in Laguna Hills, CA · enumerated 2007 · authorized official Joan Sy, Physician and Surgeon.

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

National Provider Identifier

1407044589

Verified

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Registry record

Entity type Organization (Type 2)

Legal business name Dr. Joan Sy Medical Corporation

Practice address 24953 Paseo De Valencia Ste 1a, Laguna Hills, CA, 92653

Phone (949) 460-9200

Fax (949) 470-9000

Enumeration date Oct 14, 2007

Last updated in NPPES Oct 10, 2022

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 20A6587 (CA) Primary

Authorized official

Name Joan Sy

Title Physician and Surgeon

Phone (909) 489-7386

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 Dr. Joan Sy Medical Corporation?

Dr. Joan Sy Medical Corporation is registered in NPPES as a Family Medicine Physician (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 2022-10-10.