ADVANCED ORAL & MAXILLOFACIAL SURGERY
NPI 1811199920
Dentist - Oral and Maxillofacial Surgery in Englewood, CO

Q: What is Advanced Oral & Maxillofacial Surgery's specialty?

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

Active since June 01, 2007

10120 E DRY CREEK RD STE 100, ENGLEWOOD, CO 80112(303) 768-8570(303) 768-8572 Get Directions Write a Review

NPPES record last updated: December 17, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 17, 2020, Aug 22, 2020 (2 updates tracked since 2020).

On this page

About Advanced Oral & Maxillofacial Surgery NPPES

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

ADVANCED ORAL & MAXILLOFACIAL SURGERY (NPI 1811199920) is a healthcare organization registered as an oral and maxillofacial surgery in Englewood, Colorado and active in the NPI registry since June 2007. The organization lists James R Lessig, Owner, as its authorized official.

NPPES Registry Identity

NPI1811199920

Entity TypeOrganization

Primary Taxonomy1223S0112X

Legal Business NameADVANCED ORAL & MAXILLOFACIAL SURGERY

Location Address10120 E DRY CREEK RD STE 100Englewood, CO 80112-2772

Mailing Address9094 E Mineral Cir, Suite 260Centennial, CO 80112-7200 · (303) 768-8570 · Fax (303) 768-8572

Phone(303) 768-8570

Fax(303) 768-8572

Organization SubpartNo

Authorized OfficialJames R LessigOwner · (303) 768-8570

Enumeration DateJune 1, 2007

Last NPPES UpdateDecember 17, 20202 updates tracked since enumeration

NPPES CertifiedDecember 15, 2020

✔ NPI 1811199920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers

Taxonomy Code1223S0112X

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.

10120 E DRY CREEK RD STE 100, Englewood, CO 80112

Open in Google Maps ↗

Other Identifiers 1

Medicaid71980857CO

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Advanced Oral & Maxillofacial Surgery is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Advanced Oral & Maxillofacial Surgery, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas Michalik, DMD

Maxillofacial Surgery

NPI 1437223419

9094 E. MINERAL AVE. SUITE 260
Centennial, CO 80112

(303) 768-8570

✔ PECOS✔ Accepts Medicare0.8 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Advanced Oral & Maxillofacial Surgery's NPI number?

The NPI number for Advanced Oral & Maxillofacial Surgery is 1811199920. It was assigned to this organization in the NPPES registry on June 1, 2007.

Where is Advanced Oral & Maxillofacial Surgery located?

Advanced Oral & Maxillofacial Surgery is located at 10120 E Dry Creek Rd Ste 100, Englewood, CO 80112. The listed phone number is (303) 768-8570.

What is Advanced Oral & Maxillofacial Surgery's specialty?

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

Is Advanced Oral & Maxillofacial Surgery enrolled in Medicare?

Yes. Advanced Oral & Maxillofacial Surgery is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Advanced Oral & Maxillofacial Surgery?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Maxillofacial Surgery) reassigns their Medicare billing to Advanced Oral & Maxillofacial Surgery. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Advanced Oral & Maxillofacial Surgery accept?

Health plans from UnitedHealthcare list Advanced Oral & Maxillofacial Surgery 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 Advanced Oral & Maxillofacial Surgery was last updated on December 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.