1. Home
  2. Directory
  3. Illinois
  4. Northfield
  5. Otolaryngology
  6. NPI Profile

MR. ANTHONY JAMES GEROULIS M.D.
NPI 1982769717
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Northfield, IL

Active since December 22, 2006PECOS Enrolled
330 WEST FRONTAGE RD., NORTHFIELD, IL 60093(847) 441-4441(847) 784-9744 Get Directions Write a Review

NPPES record last updated: March 8, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. Anthony James Geroulis M.d. NPPES

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

MR. ANTHONY JAMES GEROULIS M.D. (NPI 1982769717) is an individual otolaryngology/facial plastic surgery provider in Northfield, Illinois, licensed in Illinois (36.050050) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982769717
Entity TypeIndividualMale
Primary Taxonomy207YX0905X
Provider Legal NameMR. ANTHONY JAMES GEROULISCredential: M.D.
Location Address330 WEST FRONTAGE RD.Northfield, IL 60093
Mailing Address330 West Frontage Rd.Northfield, IL 60093 · (847) 441-4441 · Fax (847) 784-9744
Phone(847) 441-4441
Fax(847) 784-9744
Sole ProprietorYes
Enumeration DateDecember 22, 2006
Last NPPES UpdateMarch 8, 2016
✔ NPI 1982769717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Otolaryngology/Facial Plastic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207YX0905X
Licenses✔ Licensed in IL · 36.050050✔ Licensed in IL · 036050050
Definition
An otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.
330 WEST FRONTAGE RD., Northfield, IL 60093
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedL28981
Medicaid036050050IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Anthony James Geroulis M.d. 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Anthony Geroulis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center
23 mi
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530
University Of Chicago
23 mi
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 2,237 clinicians in this Medicare group
NPI 1821048786 (773) 702-9200

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 Anthony Geroulis's NPI number?

The NPI number for Anthony Geroulis is 1982769717. It was assigned to this individual provider in the NPPES registry on December 22, 2006.

Where is Anthony Geroulis located?

Anthony Geroulis practices at 330 West Frontage Rd., Northfield, IL 60093. The listed phone number is (847) 441-4441.

What is Anthony Geroulis's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngology/Facial Plastic Surgery, with taxonomy code 207YX0905X.

Is Anthony Geroulis enrolled in Medicare?

Yes. Anthony Geroulis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Anthony Geroulis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Geroulis reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). Each 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 Anthony Geroulis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anthony Geroulis was last updated on March 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.