DR. JOHN A GUERRIERI DDS
NPI 1225247000
Dentist - General Practice in Itasca, IL

Q: What is John Guerrieri's NPI number?

The NPI number for John Guerrieri is 1225247000. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Q: What is John Guerrieri's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Guerrieri was last updated on June 23, 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.

Active since May 21, 2007PECOS Enrolled

421 W IRVING PARK RD, ITASCA, IL 60143(847) 250-5394(847) 250-5393 Get Directions Write a Review

NPPES record last updated: June 23, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. John A Guerrieri Dds NPPES

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

DR. JOHN A GUERRIERI DDS (NPI 1225247000) is an individual general practice provider in Itasca, Illinois, licensed in Illinois (19-021812) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225247000

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. JOHN A GUERRIERICredential: DDS

Location Address421 W IRVING PARK RDItasca, IL 60143-2039

Mailing Address421 W Irving Park RdItasca, IL 60143-2039 · (847) 250-5394 · Fax (847) 250-5393

Phone(847) 250-5394

Fax(847) 250-5393

Sole ProprietorNo

Enumeration DateMay 21, 2007

Last NPPES UpdateJune 23, 2016

✔ NPI 1225247000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in IL · 19-021812

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.

421 W IRVING PARK RD, Itasca, IL 60143

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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. John A Guerrieri 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 60143 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

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 4

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

JOHN A. GUERRIERI D.D.S. LTD

Dentist (General Practice)

421 W IRVING PARK RD
ITASCA, IL 60143

Dupage County (847) 250-5394

LEONIDAS J RAGAS DDS

Dentist (General Practice)

421 W IRVING PARK RD
ITASCA, IL 60143

Dupage County (630) 773-9166

DR. JOSEPH RICHARD SPERLAZZO D.D.S.

Dentist (General Practice)

421 W IRVING PARK RD
ITASCA, IL 60143

Dupage County (630) 773-9166

JOSEPH R. SPERLAZZO D.D.S., P.C.

Clinic/Center (Dental)

421 W IRVING PARK RD
ITASCA, IL 60143

Dupage County (630) 773-9166

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 John Guerrieri's NPI number?

The NPI number for John Guerrieri is 1225247000. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Where is John Guerrieri located?

John Guerrieri practices at 421 W Irving Park Rd, Itasca, IL 60143. The listed phone number is (847) 250-5394.

What is John Guerrieri's specialty?

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

Is John Guerrieri enrolled in Medicare?

Yes. John Guerrieri is registered in the Medicare PECOS enrollment system.

What insurance does John Guerrieri 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 John Guerrieri 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 John Guerrieri was last updated on June 23, 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.