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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ISAAC SO DDS
NPI 1306424304
Dentist - Oral and Maxillofacial Surgery in Fairfax, VA

Active since March 31, 2021
4210 FAIRFAX CORNER AVE W STE 215, FAIRFAX, VA 22030(703) 263-8640 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 6, 2026, Mar 31, 2021 (2 updates tracked since 2021).

About Dr. Isaac So Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ISAAC SO DDS (NPI 1306424304) is an individual oral and maxillofacial surgery provider in Fairfax, Virginia, licensed in Virginia (0438000553) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1306424304
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. ISAAC SOCredential: DDS
Location Address4210 FAIRFAX CORNER AVE W STE 215Fairfax, VA 22030-8627
Mailing Address4460 Black Ironwood DrFairfax, VA 22030-9068
Phone(703) 263-8640
Sole ProprietorNo
Enumeration DateMarch 31, 2021
Last NPPES UpdateJuly 6, 20262 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
✔ NPI 1306424304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in VA · 0438000553
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
Also ListedDentist · General PracticeTaxonomy 1223G0001X · License 0401419807 (VA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4210 FAIRFAX CORNER AVE W STE 215, Fairfax, VA 22030
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isaac So's NPI number?

The NPI number for Isaac So is 1306424304. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Where is Isaac So located?

Isaac So practices at 4210 Fairfax Corner Ave W Ste 215, Fairfax, VA 22030. The listed phone number is (703) 263-8640.

What is Isaac So's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

When was this NPI record last updated?

The NPPES record for Isaac So was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.