Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Vivien Phung, MD

Pediatrics Physician in Jackson, MI · enumerated 2018.

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

National Provider Identifier

1447754437

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Registry record

Entity type Individual (Type 1)

Name Dr. Vivien Phung

Credential MD

Sex Female

Practice address 205 N East Ave, Jackson, MI, 49201

Phone (517) 205-4800

Enumeration date Mar 22, 2018

Last updated in NPPES Jun 24, 2021

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 164816 (CA) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 4301504829 (MI) Primary

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

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Frequently asked questions

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.

What specialty is Vivien Phung?

Vivien Phung is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-24.