NPI Portal NPI Lookup & Verification

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

Sungah Choi

Family Nurse Practitioner in Closter, NJ · enumerated 2024.

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

National Provider Identifier

1558199984

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Sungah Choi
Sex Female
Practice address Closter, NJ, 07624
Enumeration date Jul 25, 2024
Last updated in NPPES Jul 25, 2024

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

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 339123 (NY) Primary

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 Sungah Choi?
The National Provider Identifier (NPI) for Sungah Choi is 1558199984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sungah Choi practice?
The practice location on file with NPPES is in Closter, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-25.