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

JOHN ANTHONY SOBIERALSKI D.D.S., M.S.
NPI 1891079521
Dentist - Prosthodontics in Siloam Springs, AR

Q: What is John Sobieralski's NPI number?

The NPI number for John Sobieralski is 1891079521. It was assigned to this individual provider in the NPPES registry on September 29, 2011.

Q: What is John Sobieralski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

Q: When was this NPI record last updated?

The NPPES record for John Sobieralski was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 September 29, 2011

3555 HIGHWAY 412 E STE 10, SILOAM SPRINGS, AR 72761(479) 373-5031(479) 480-7774 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About John Anthony Sobieralski D.d.s., M.s. NPPES

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

JOHN ANTHONY SOBIERALSKI D.D.S., M.S. (NPI 1891079521) is an individual prosthodontics provider in Siloam Springs, Arkansas, licensed in Arkansas (4085) and active in the NPI registry since September 2011.

NPPES Registry Identity

NPI1891079521

Entity TypeIndividualMale

Primary Taxonomy1223P0700X

Provider Legal NameJOHN ANTHONY SOBIERALSKICredential: D.D.S., M.S.

Location Address3555 HIGHWAY 412 E STE 10Siloam Springs, AR 72761-7090

Mailing Address3555 Highway 412 E Ste 10Siloam Springs, AR 72761-7090 · (479) 373-5031 · Fax (478) 480-7774

Phone(479) 373-5031

Fax(479) 480-7774

Sole ProprietorNo

Enumeration DateSeptember 29, 2011

Last NPPES UpdateOctober 15, 2026

NPPES CertifiedOctober 15, 2026

✔ NPI 1891079521 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · ProsthodonticsDental Providers

Taxonomy Code1223P0700X

License✔ Licensed in AR · 4085

Definition

That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.

3555 HIGHWAY 412 E STE 10, Siloam Springs, AR 72761

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.Insurance ›

Other Providers at the Same Location NPPES 2

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

ANSLEE LLOYD DDS

Dentist

3555 HIGHWAY 412 E STE 10
SILOAM SPRINGS, AR 72761

Benton County (479) 373-5031

DR. LAURA ROCHELLE ROBERTS DDS

Dentist

3555 HIGHWAY 412 E STE 10
SILOAM SPRINGS, AR 72761

Benton County (479) 373-5031

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 John Sobieralski's NPI number?

The NPI number for John Sobieralski is 1891079521. It was assigned to this individual provider in the NPPES registry on September 29, 2011.

Where is John Sobieralski located?

John Sobieralski practices at 3555 Highway 412 E Ste 10, Siloam Springs, AR 72761. The listed phone number is (479) 373-5031.

What is John Sobieralski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

What insurance does John Sobieralski accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 16 other insurers list John Sobieralski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Sobieralski was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.