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DR. JOHN FRED CASSIANI DDS
NPI 1184820375
Dentist - General Practice in Downers Grove, IL

Active since June 25, 2007
6800 S MAIN ST, #211, DOWNERS GROVE, IL 60516(630) 852-8855 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John Fred Cassiani Dds NPPES

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

DR. JOHN FRED CASSIANI DDS (NPI 1184820375) is an individual general practice provider in Downers Grove, Illinois, licensed in Illinois (1915958) and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1184820375
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. JOHN FRED CASSIANICredential: DDS
Location Address6800 S MAIN ST, #211Downers Grove, IL 60516
Mailing Address6800 S Main St, #211Downers Grove, IL 60516 · (630) 852-8855
Phone(630) 852-8855
Sole ProprietorNo
Enumeration DateJune 25, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1184820375 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 · 1915958
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.
6800 S MAIN ST, Downers Grove, IL 60516
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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 ›

Other Providers at the Same Location NPPES 7

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

MS. LISA D WILLIAMS RDH
Dental Hygienist
6800 S MAIN ST, GROVE DENTAL ASSOC
DOWNERS GROVE, IL 60516
Dupage County (630) 969-5350
MS. YVONNE C LAROSE RDH
Dental Hygienist
6800 S MAIN ST, STE 315
DOWNERS GROVE, IL 60516
Dupage County (630) 969-5350
MS. LAURA L JACOBS RDH
Dental Hygienist
6800 S MAIN ST, SUITE 315 GROVE DENTAL ASSOCIATES
DOWNERS GROVE, IL 60516
Dupage County (630) 969-5350
ROBERT C POULSOM DDS MS LTD
Dentist
6800 S MAIN ST, SUITE 206
DOWNERS GROVE, IL 60516
Dupage County (630) 852-1020
MS. SARAH NICOLE JOHNSON RDH
Dental Hygienist
6800 S MAIN ST, GROVE DENTAL ASSOC
DOWNERS GROVE, IL 60516
Dupage County (630) 969-5350
MRS. LINDA BAILEY REDING RDH
Dental Hygienist
6800 S MAIN ST
DOWNERS GROVE, IL 60516
Dupage County (630) 969-5350
MRS. LORI JOANN JEPSEN RDH
Dental Hygienist
6800 S MAIN ST, GROVE DENTAL ASSOC 3RD FLOOR
DOWNERS GROVE, IL 60516
Dupage County (630) 969-5350

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 Cassiani's NPI number?

The NPI number for John Cassiani is 1184820375. It was assigned to this individual provider in the NPPES registry on June 25, 2007.

Where is John Cassiani located?

John Cassiani practices at 6800 S Main St #211, Downers Grove, IL 60516. The listed phone number is (630) 852-8855.

What is John Cassiani's specialty?

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

What insurance does John Cassiani accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Anthem Blue Cross and Blue Shield and BEST Life and 9 other insurers list John Cassiani 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 Cassiani was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.