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DR. JOHN H. GIROUX M.D.
NPI 1396774485
Pediatrics in Alton, IL

Active since July 01, 2006PECOS Enrolled
550 LANDMARKS BLVD, ALTON, IL 62002(618) 463-0649(618) 465-3390 Get Directions Write a Review

NPPES record last updated: May 27, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. John H. Giroux M.d. NPPES

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

DR. JOHN H. GIROUX M.D. (NPI 1396774485) is an individual pediatrics provider in Alton, Illinois, licensed in Illinois (036074739) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396774485
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. JOHN H. GIROUXCredential: M.D.
Location Address550 LANDMARKS BLVDAlton, IL 62002-6321
Mailing Address550 Landmarks BlvdAlton, IL 62002-6321 · (618) 463-0649 · Fax (618) 465-3390
Phone(618) 463-0649
Fax(618) 465-3390
Sole ProprietorNo
Enumeration DateJuly 1, 2006
Last NPPES UpdateMay 27, 2014
✔ NPI 1396774485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036074739
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
550 LANDMARKS BLVD, Alton, IL 62002
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Other Identifiers 2

Medicaid036-074739IL
Medicare UPINC43052IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John H. Giroux M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show John Giroux reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ssm Health Care St. Louis
17 mi
Cardiovascular Disease
12303 DE PAUL DR
Bridgeton, MO 63044
  • Reassigned Medicare billing, Missouri enrollment
  • 741 clinicians in this Medicare group
NPI 1376598599 (314) 344-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62002 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
$88.44 typical visit price
range $56.28 – $173.35
Typical copayment $22.11 (range $14.07 – $43.33)
Most-billed visit code 99203
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
Most-billed visit code 99214
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 3

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

KATHERINE COLLINS-WHITTAKER CNP
Nurse Practitioner (Adult Health)
550 LANDMARKS BLVD
ALTON, IL 62002
Madison County (618) 463-5905
NICOLE M WELLER LCPC
Counselor (Professional)
550 LANDMARKS BLVD
ALTON, IL 62002
Madison County (618) 463-5905
DR. SARNIT CHARNOND M.D.
Internal Medicine
550 LANDMARKS BLVD
ALTON, IL 62002
Madison County (618) 463-5905

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 Giroux's NPI number?

The NPI number for John Giroux is 1396774485. It was assigned to this individual provider in the NPPES registry on July 1, 2006.

Where is John Giroux located?

John Giroux practices at 550 Landmarks Blvd, Alton, IL 62002. The listed phone number is (618) 463-0649.

What is John Giroux's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is John Giroux enrolled in Medicare?

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

Which organization bills Medicare for John Giroux's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Giroux reassigns Medicare benefits to Ssm Health Care St. Louis (Bridgeton, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Giroux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Giroux accept?

Health plans from Oscar Insurance Company list John Giroux 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 Giroux was last updated on May 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.