DR. JAMES F GIANAKAKIS D.D.S.,M.S.
NPI 1841522612
Dentist - Endodontics in Oak Brook, IL

Q: What is James Gianakakis's NPI number?

The NPI number for James Gianakakis is 1841522612. It was assigned to this individual provider in the NPPES registry on February 4, 2010.

Q: What is James Gianakakis's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Q: Is James Gianakakis enrolled in Medicare?

No. James Gianakakis has opted out of Medicare through March 30, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for James Gianakakis was last updated on February 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 February 04, 2010Opted out of Medicare · through Mar 30, 2027

120 OAKBROOK CTR, #714, OAK BROOK, IL 60523(630) 654-3331(630) 954-2910 Get Directions Write a Review

NPPES record last updated: February 5, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. James F Gianakakis D.d.s.,m.s. NPPES

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

DR. JAMES F GIANAKAKIS D.D.S.,M.S. (NPI 1841522612) is an individual endodontics provider in Oak Brook, Illinois, licensed in Illinois (019021370) and active in the NPI registry since February 2010. He has opted out of Medicare through March 30, 2027.

NPPES Registry Identity

NPI1841522612

Entity TypeIndividualMale

Primary Taxonomy1223E0200X

Provider Legal NameDR. JAMES F GIANAKAKISCredential: D.D.S.,M.S.

Location Address120 OAKBROOK CTR, #714Oak Brook, IL 60523-1806

Mailing Address120 Oakbrook Ctr, #714Oak Brook, IL 60523-1806 · (630) 654-3331 · Fax (630) 954-2910

Phone(630) 654-3331

Fax(630) 954-2910

Sole ProprietorNo

Enumeration DateFebruary 4, 2010

Last NPPES UpdateFebruary 5, 2010

✔ NPI 1841522612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers

Taxonomy Code1223E0200X

License✔ Licensed in IL · 019021370

Definition

The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

120 OAKBROOK CTR, Oak Brook, IL 60523

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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

ⓘ

Opted out of Medicare

Dr. James F Gianakakis D.d.s.,m.s. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 30, 2023 through March 30, 2027.

Opt-Out Effective DateMarch 30, 2023

Opt-Out In Effect ThroughMarch 30, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60523 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 20

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

DR. MARK S PALO D.D.S.,M.S.

Dentist (Endodontics)

120 OAKBROOK CTR, #714
OAK BROOK, IL 60523

Dupage County (630) 654-3331

DR. MARY JANE KIRKBY PSY.D.

Psychologist (Clinical)

120 OAKBROOK CTR, SUITE 720
OAK BROOK, IL 60523

Dupage County (630) 586-0215

MS. KATHLEEN MARY O'CONNOR LCSW

Social Worker

120 OAKBROOK CTR, SUITE 428
OAK BROOK, IL 60523

Dupage County (708) 785-8349

OAKBROOK ENDODONTIC ASSOCIATES, LTD.

Dentist (Endodontics)

120 OAKBROOK CTR, #714
OAK BROOK, IL 60523

Dupage County (630) 654-3331

E ELIOT BENEZRA MDSC

Psychiatry & Neurology (Psychiatry)

120 OAKBROOK CTR, SUITE 200
OAK BROOK, IL 60523

Dupage County (630) 571-8118

OAK BROOK DENTAL GROUP

Dentist (General Practice)

120 OAKBROOK CTR, STE 326
OAK BROOK, IL 60523

Dupage County (630) 990-7766

DR. PETER CHRISTOPHER LEKATSOS D.D.S

Dentist

120 OAKBROOK CTR, SUITE706
OAK BROOK, IL 60523

Dupage County (630) 573-0290

DR. CHRIS METCALF LTD.

Dentist (General Practice)

120 OAKBROOK CTR, SUITE 804
OAK BROOK, IL 60523

Dupage County (630) 368-1007

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 James Gianakakis's NPI number?

The NPI number for James Gianakakis is 1841522612. It was assigned to this individual provider in the NPPES registry on February 4, 2010.

Where is James Gianakakis located?

James Gianakakis practices at 120 Oakbrook Ctr #714, Oak Brook, IL 60523. The listed phone number is (630) 654-3331.

What is James Gianakakis's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Is James Gianakakis enrolled in Medicare?

No. James Gianakakis has opted out of Medicare through March 30, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does James Gianakakis 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 Renaissance Dental list James Gianakakis 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 James Gianakakis was last updated on February 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.