ANTONIOS VARELAS MD
NPI 1629536917
Otolaryngology in Chicago, IL
About Antonios Varelas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANTONIOS VARELAS MD (NPI 1629536917) is an individual otolaryngology provider in Chicago, Illinois, licensed in Tennessee (70514) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Antonios Varelas Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Antonios Varelas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Antonios Varelas's NPI number?
The NPI number for Antonios Varelas is 1629536917. It was assigned to this individual provider in the NPPES registry on March 6, 2019.
Where is Antonios Varelas located?
Antonios Varelas practices at 5841 S Maryland Ave Rm E103, Chicago, IL 60637. The listed phone number is (773) 834-2438.
What is Antonios Varelas's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Antonios Varelas enrolled in Medicare?
Yes. Antonios Varelas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Antonios Varelas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Antonios Varelas 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 Antonios Varelas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Antonios Varelas accept?
Health plans from Oscar Health and Oscar Insurance Company list Antonios Varelas 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.
Is Antonios Varelas affiliated with any hospitals?
According to CMS data, Antonios Varelas is affiliated with The University Of Chicago Medical Center.
When was this NPI record last updated?
The NPPES record for Antonios Varelas was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Antonios Varelas, MD · NPI 1629536917
Otolaryngology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 6, 2019.
## Identity
- **NPI:** 1629536917 (Entity type: Individual)
- **Enumerated:** March 6, 2019
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 70514 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE RM E103, Chicago, IL 60637-1443
- **Phone:** (773) 834-2438
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 2019
## Record status
- **NPPES last updated:** June 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629536917) · Data from the CMS NPPES public registry.