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DR. ALEXANDER CONSTANTINE TZANOS D.D.S.
NPI 1821250630
Dentist - Periodontics in Crystal Lake, IL

Active since July 02, 2008PECOS Enrolled
411 E CONGRESS PKWY STE D, CRYSTAL LAKE, IL 60014(814) 455-6550 Get Directions Write a Review

NPPES record last updated: May 28, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Alexander Constantine Tzanos D.d.s. NPPES

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

DR. ALEXANDER CONSTANTINE TZANOS D.D.S. (NPI 1821250630) is an individual periodontics provider in Crystal Lake, Illinois, licensed in Illinois (019027377) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821250630
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. ALEXANDER CONSTANTINE TZANOSCredential: D.D.S.
Location Address411 E CONGRESS PKWY STE DCrystal Lake, IL 60014-6247
Mailing Address411 E Congress Pkwy Ste DCrystal Lake, IL 60014-6247 · (814) 455-6550
Phone(814) 455-6550
Sole ProprietorNo
Enumeration DateJuly 2, 2008
Last NPPES UpdateMay 28, 2021
NPPES CertifiedMay 28, 2021
✔ NPI 1821250630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License✔ Licensed in IL · 019027377
Definition

That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

411 E CONGRESS PKWY STE D, Crystal Lake, IL 60014
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Secondary Practice Locations 2

Location 11481 W 10th StIndianapolis, IN 46202-2803 · Phone (317) 988-2022
Location 2220 N Smith St Ste 125Palatine, IL 60067-2488 · Phone (847) 358-3939

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.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. Alexander Constantine Tzanos 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 60014 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
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.

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 Alexander Tzanos's NPI number?

The NPI number for Alexander Tzanos is 1821250630. It was assigned to this individual provider in the NPPES registry on July 2, 2008.

Where is Alexander Tzanos located?

Alexander Tzanos practices at 411 E Congress Pkwy Ste D, Crystal Lake, IL 60014. The listed phone number is (814) 455-6550.

What is Alexander Tzanos's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Is Alexander Tzanos enrolled in Medicare?

Yes. Alexander Tzanos is registered in the Medicare PECOS enrollment system.

What insurance does Alexander Tzanos accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Alexander Tzanos 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 Alexander Tzanos was last updated on May 28, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.