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

DR. STEVE BYUN DDS
NPI 1073550638
Dentist - General Practice in San Francisco, CA

Q: What is Steve Byun's NPI number?

The NPI number for Steve Byun is 1073550638. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Q: What is Steve Byun's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Steve Byun was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.

Active since June 01, 2006

121 SPEAR ST, SUITE B-16, SAN FRANCISCO, CA 94105(415) 974-6722 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Steve Byun Dds NPPES

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

DR. STEVE BYUN DDS (NPI 1073550638) is an individual general practice provider in San Francisco, California, licensed in California (45554) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1073550638

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. STEVE BYUNCredential: DDS

Location Address121 SPEAR ST, SUITE B-16San Francisco, CA 94105-1581

Mailing Address121 Spear St, Suite B-16San Francisco, CA 94105-1581 · (415) 821-2517

Phone(415) 974-6722

Sole ProprietorNo

Enumeration DateJune 1, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1073550638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · 45554

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

121 SPEAR ST, San Francisco, CA 94105

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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANNEMARIE EVERETT DPT

Physical Therapist

121 SPEAR ST
SAN FRANCISCO, CA 94105

San Francisco County (888) 201-1937

SCOTT RODRIGUEZ M.D.

Internal Medicine

121 SPEAR ST
SAN FRANCISCO, CA 94105

San Francisco County (415) 291-0480

DR. JORG-PETER RABANUS

Dentist (General Practice)

121 SPEAR ST, B-16
SAN FRANCISCO, CA 94105

San Francisco County (415) 999-6194

ONE MEDICAL GROUP, INC.

Family Medicine

121 SPEAR ST
SAN FRANCISCO, CA 94105

San Francisco County (415) 593-1096

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 Steve Byun's NPI number?

The NPI number for Steve Byun is 1073550638. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Where is Steve Byun located?

Steve Byun practices at 121 Spear St Suite B-16, San Francisco, CA 94105. The listed phone number is (415) 974-6722.

What is Steve Byun's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Steve Byun was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.