NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sin Won Park, LA.C

Acupuncturist in Costa Mesa, CA · enumerated 2011 · practices at Twins Physical Medicine.

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

National Provider Identifier

1720386741

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Sin Won Park
Credential LA.C
Sex Female
Practice address 3140 Bear St Ste 200, Costa Mesa, CA, 92626
Phone (714) 751-2229
Enumeration date Mar 1, 2011
Last updated in NPPES Mar 31, 2011

Taxonomy & licenses

171100000X Acupuncturist Other Service Providers · License 12113 (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

Where does Sin Won Park practice?
The practice location on file with NPPES is in Costa Mesa, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sin Won Park?
The National Provider Identifier (NPI) for Sin Won Park is 1720386741, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-31.