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

DR. THOMAS GAIL AUYONG DDS
NPI 1396726782
Dentist - Oral and Maxillofacial Surgery in Diamond Bar, CA

Q: What is Thomas Auyong's NPI number?

The NPI number for Thomas Auyong is 1396726782. It was assigned to this individual provider in the NPPES registry on November 11, 2005.

Q: What is Thomas Auyong's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Auyong 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 27 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 November 11, 2005PECOS Enrolled

724 N DIAMOND BAR BLVD, DIAMOND BAR, CA 91765(909) 860-3011(909) 860-0442 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Thomas Gail Auyong Dds NPPES

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

DR. THOMAS GAIL AUYONG DDS (NPI 1396726782) is an individual oral and maxillofacial surgery provider in Diamond Bar, California, licensed in California (28274) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396726782

Entity TypeIndividualMale

Primary Taxonomy1223S0112X

Provider Legal NameDR. THOMAS GAIL AUYONGCredential: DDS

Location Address724 N DIAMOND BAR BLVDDiamond Bar, CA 91765-1062

Mailing Address724 N Diamond Bar BlvdDiamond Bar, CA 91765-1062 · (909) 860-3011 · Fax (909) 860-0442

Phone(909) 860-3011

Fax(909) 860-0442

Sole ProprietorNo

Enumeration DateNovember 11, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1396726782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers

Taxonomy Code1223S0112X

Licenses✔ Licensed in CA · 28274✔ Licensed in HI · 2165

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.

724 N DIAMOND BAR BLVD, Diamond Bar, CA 91765

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas Gail Auyong Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91765 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Thomas Auyong's NPI number?

The NPI number for Thomas Auyong is 1396726782. It was assigned to this individual provider in the NPPES registry on November 11, 2005.

Where is Thomas Auyong located?

Thomas Auyong practices at 724 N Diamond Bar Blvd, Diamond Bar, CA 91765. The listed phone number is (909) 860-3011.

What is Thomas Auyong's specialty?

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

Is Thomas Auyong enrolled in Medicare?

Yes. Thomas Auyong is registered in the Medicare PECOS enrollment system.

What insurance does Thomas Auyong accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Humana list Thomas Auyong 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 Thomas Auyong 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 27 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.