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ORAL SURGERY ASSOCIATES
NPI 1316044837
Oral & Maxillofacial Surgery in Chicago, IL

Active since September 19, 2006
2440 W PETERSON AVE, CHICAGO, IL 60659(773) 761-7171(773) 761-6714 Get Directions Write a Review

NPPES record last updated: December 9, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Oral Surgery Associates NPPES

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

ORAL SURGERY ASSOCIATES (NPI 1316044837) is a healthcare organization registered as an oral & maxillofacial surgery in Chicago, Illinois and active in the NPI registry since September 2006. The organization maintains a secondary practice location in Skokie and lists Jennifer Pietri, Insurance Coordinator, as its authorized official.

NPPES Registry Identity

NPI1316044837
Entity TypeOrganization
Primary Taxonomy204E00000X
Legal Business NameEVASKUS AND HERZOG, LTD
Location Address2440 W PETERSON AVEChicago, IL 60659-4113
Mailing Address2440 W Peterson AveChicago, IL 60659-4113 · (773) 761-7171 · Fax (773) 761-6714
Phone(773) 761-7171
Fax(773) 761-6714
Organization SubpartNo
Authorized OfficialJennifer PietriInsurance Coordinator · (773) 761-7171
Enumeration DateSeptember 19, 2006
Last NPPES UpdateDecember 9, 2019
✔ NPI 1316044837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOral & Maxillofacial SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204E00000X
Definition
Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.
Also ListedDentist · Oral and Maxillofacial SurgeryTaxonomy 1223S0112X · License 060003037 (IL)
2440 W PETERSON AVE, Chicago, IL 60659
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Other Names 1

Doing Business AsOral Surgery Associates

Secondary Practice Location 1

Location 14905 Old Orchard Ctr Ste 610Skokie, IL 60077-1465 · Phone (847) 676-9300

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 MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Oral Surgery Associates, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Louis Halkias, DDS, MS
Maxillofacial Surgery
NPI 1194833624
2440 W PETERSON AVE
Chicago, IL 60659
(773) 761-7171
✔ PECOSSame address
Steven Herzog, D.D.S., M.S.
Oral Surgery
NPI 1306063631
2440 W PETERSON AVE
Chicago, IL 60659
(773) 761-7171
✔ PECOSSame address
Michael Papadimitriou, D.D.S.
Maxillofacial Surgery
NPI 1396993945
2440 W PETERSON AVE
Chicago, IL 60659
(773) 761-7171
✔ PECOSSame address

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 Evaskus And Herzog, Ltd's NPI number?

The NPI number for Evaskus And Herzog, Ltd is 1316044837. It was assigned to this organization in the NPPES registry on September 19, 2006. The provider is doing business as Oral Surgery Associates.

Where is Evaskus And Herzog, Ltd located?

Evaskus And Herzog, Ltd is located at 2440 W Peterson Ave, Chicago, IL 60659. The listed phone number is (773) 761-7171.

What is Evaskus And Herzog, Ltd's specialty?

The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.

Is Evaskus And Herzog, Ltd enrolled in Medicare?

Yes. Evaskus And Herzog, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Evaskus And Herzog, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Evaskus And Herzog, Ltd, in Maxillofacial Surgery and Oral 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. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Evaskus And Herzog, Ltd was last updated on December 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.