Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miss May S Yip, LCSW

Q: What is the NPI number for May Yip?

The National Provider Identifier (NPI) for May Yip is 1851424360, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Seal Beach, CA · enumerated 2007.

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

National Provider Identifier

1851424360

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Miss May S Yip

Credential LCSW

Sex Female

Practice address 4641 Fir Ave, Seal Beach, CA, 90740

Phone (626) 233-1121

Enumeration date Mar 13, 2007

Last updated in NPPES Dec 8, 2021

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 29692 (CA) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
1851424360	Medicaid	CA	-

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 the NPI number for May Yip?

The National Provider Identifier (NPI) for May Yip is 1851424360, a Type 1 (individual) record in the CMS NPPES registry.

Where does May Yip practice?

The practice location on file with NPPES is in Seal Beach, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-08.