Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Eunseok Oh, D.D.S

Periodontics in Vienna, VA · enumerated 2007 · practices at Dr. Brandon R. Lemuel Dc,PC.

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

National Provider Identifier

1831306844

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Registry record

Entity type Individual (Type 1)

Name Mr. Eunseok Oh

Credential D.D.S

Sex Male

Practice address 301 Maple Ave West, Ste 440, Vienna, VA, 22180

Phone (703) 539-9166

Enumeration date May 17, 2007

Last updated in NPPES Nov 20, 2019

Taxonomy & licenses

122300000X Dentist Dental Providers · License 052163 (NY) Secondary

1223P0300X Periodontics Dental Providers · License 0401412796 (VA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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

How do I verify Eunseok Oh's NPI record?

Cross-check NPI 1831306844 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1831306844 active?

Yes, as of the latest NPPES snapshot, NPI 1831306844 is active (record last updated 2019-11-20).

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Dr. Brandon R. Lemuel Dc,PC Chiropractor · Vienna, VA NPI 1497135826

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-20.