Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Lauren Ann Messelbeck, L.AC.

Acupuncturist in Newport Beach, CA · enumerated 2013.

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

National Provider Identifier

1164765020

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Registry record

Entity type Individual (Type 1)

Name Lauren Ann Messelbeck

Credential L.AC.

Sex Female

Practice address Newport Beach, CA, 92663

Phone (949) 836-2857

Fax (949) 861-3270

Enumeration date Mar 28, 2013

Last updated in NPPES Jan 11, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171100000X Acupuncturist Other Service Providers · License 15149 (CA) Primary

LAC · Licensed Acupuncturist: A practitioner licensed to perform acupuncture. About the LAC credential

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 specialty is Lauren Messelbeck?

Lauren Messelbeck is registered in NPPES with the primary taxonomy of Acupuncturist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-11.