Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Yoon Sun Chun, MD

Plastic Surgery Physician in Boston, MA · enumerated 2005.

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

National Provider Identifier

1023008109

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Registry record

Entity type Individual (Type 1)

Name Yoon Sun Chun

Credential MD

Sex Female

Practice address 75 Francis St, Brigham and Women'S Hospital Dept of Plastic Surgery, Boston, MA, 02115

Phone (617) 732-8181

Fax (617) 983-4534

Enumeration date Oct 28, 2005

Last updated in NPPES Feb 7, 2023

Taxonomy & licenses

207YS0123X Facial Plastic Surgery Physician Allopathic & Osteopathic Physicians · License 223966 (MA) Secondary

208200000X Plastic Surgery Physician Allopathic & Osteopathic Physicians · License 223966 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
2105900	Medicaid	MA	-

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.

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Frequently asked questions

Is NPI 1023008109 active?

Yes, as of the latest NPPES snapshot, NPI 1023008109 is active (record last updated 2023-02-07).

How do I verify Yoon Chun's NPI record?

Cross-check NPI 1023008109 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-07.