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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. BILL J KOTIS DDS
NPI 1497746739
Dentist - General Practice in Chicago, IL

Active since November 04, 2005PECOS Enrolled
9206 S COMMERCIAL AVE, CHICAGO, IL 60617(773) 978-4447(773) 978-7662 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Bill J Kotis Dds NPPES

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

DR. BILL J KOTIS DDS (NPI 1497746739) is an individual general practice provider in Chicago, Illinois and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497746739
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. BILL J KOTISCredential: DDS
Location Address9206 S COMMERCIAL AVEChicago, IL 60617-4508
Mailing Address9206 S Commercial AveChicago, IL 60617-4508 · (773) 978-4447 · Fax (773) 978-7662
Phone(773) 978-4447
Fax(773) 978-7662
Sole ProprietorNo
Enumeration DateNovember 4, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1497746739 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
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.
9206 S COMMERCIAL AVE, Chicago, IL 60617
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma 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. Bill J Kotis Dds 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 60617 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 5

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

KOTIS AND KANELLOS LTD
Dentist
9206 S COMMERCIAL AVE
CHICAGO, IL 60617
Cook County (773) 978-4447
DR. JAMES P KANELLOS DDS
Dentist (General Practice)
9206 S COMMERCIAL AVE
CHICAGO, IL 60617
Cook County (773) 978-4447
DR. GEORGIA VLACHOGIANNIS DDS
Dentist (General Practice)
9206 S COMMERCIAL AVE
CHICAGO, IL 60617
Cook County (773) 978-4447
TELLEZ MEDICAL CENTER SC
Family Medicine
9206 S COMMERCIAL AVE
CHICAGO, IL 60617
Cook County (773) 978-0707
JUAN L TELLEZ MD
Family Medicine
9206 S COMMERCIAL AVE
CHICAGO, IL 60617
Cook County (773) 978-0707

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 Bill Kotis's NPI number?

The NPI number for Bill Kotis is 1497746739. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Bill Kotis located?

Bill Kotis practices at 9206 S Commercial Ave, Chicago, IL 60617. The listed phone number is (773) 978-4447.

What is Bill Kotis's specialty?

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

Is Bill Kotis enrolled in Medicare?

Yes. Bill Kotis is registered in the Medicare PECOS enrollment system.

What insurance does Bill Kotis accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Humana list Bill Kotis 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 Bill Kotis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.