Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marie Mihyon Oh, DMD

Dentist in Manassas, VA · enumerated 2024 · practices at Ismile of Manassas Pllc.

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

National Provider Identifier

1326881152

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Registry record

Entity type Individual (Type 1)

Name Dr. Marie Mihyon Oh

Credential DMD

Sex Female

Practice address 10695 Sudley Manor Dr Ste 102, Manassas, VA, 20109

Phone (703) 369-2200

Enumeration date Jun 18, 2024

Last updated in NPPES Jun 18, 2024

Taxonomy & licenses

122300000X Dentist Dental Providers · License 0401419023 (VA) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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 Marie Oh?

Marie Oh is registered in NPPES with the primary taxonomy of Dentist. 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.

Other providers at this practice address

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Ismile of Manassas Pllc Dental Clinic/Center · Manassas, VA NPI 1265902407

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-18.