1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Dentist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PETER A. CONTOS D.D.S.
NPI 1477606234
Dentist - General Practice in Chicago, IL

Active since January 18, 2007PECOS Enrolled
6428 N CALIFORNIA AVE, CHICAGO, IL 60645(773) 973-0531(773) 262-9850 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 11, 2026, May 16, 2023 (2 updates tracked since 2023).

About Dr. Peter A. Contos D.d.s. NPPES

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

DR. PETER A. CONTOS D.D.S. (NPI 1477606234) is an individual general practice provider in Chicago, Illinois, licensed in Illinois (019026750) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477606234
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. PETER A. CONTOSCredential: D.D.S.
Location Address6428 N CALIFORNIA AVEChicago, IL 60645-5209
Mailing Address833 Chatham RdGlenview, IL 60025-4405 · (847) 804-9429
Phone(773) 973-0531
Fax(773) 262-9850
Sole ProprietorYes
Enumeration DateJanuary 18, 2007
Last NPPES UpdateSeptember 11, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2026
✔ NPI 1477606234 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
Licenses✔ Licensed in IL · 019026750✔ Licensed in WI · 6639
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
6428 N CALIFORNIA AVE, Chicago, IL 60645
Open in Google Maps ↗

Other Identifiers 1

Medicaid9179859IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware 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. Peter A. Contos D.d.s. 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 60645 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PREFERRED DENTISTRY ASSOCIATES, LLC
Dentist (General Practice)
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (773) 942-7348
PREFERRED DENTISTRY ASSOCIATES OF WISCONSIN, L.L.C.
Dentist
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (847) 804-9429
POSITIVELY FOCUSED, LLC
Clinical Neuropsychologist
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (773) 710-3354
PREFERRED DENTAL GROUP, LTD.
Dentist (General Practice)
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (773) 293-6910
DR. ARISTIDES P CONTOS DDS
Dentist (General Practice)
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (773) 973-0531
CONTOS SMILE CENTER, LTD.
Dentist (General Practice)
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (773) 973-0531
MARIA SINIS DMD LTD
Dentist (General Practice)
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (773) 973-0531
NICOLE J HARTMANN RDH
Dental Hygienist
6428 N CALIFORNIA AVE
CHICAGO, IL 60645
Cook County (847) 804-9429

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 Peter Contos's NPI number?

The NPI number for Peter Contos is 1477606234. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is Peter Contos located?

Peter Contos practices at 6428 N California Ave, Chicago, IL 60645. The listed phone number is (773) 973-0531.

What is Peter Contos's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Peter Contos enrolled in Medicare?

Yes. Peter Contos is registered in the Medicare PECOS enrollment system.

What insurance does Peter Contos accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and Humana list Peter Contos 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 Peter Contos was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.