DR. ARISTIDES J. GARCES M.D.
NPI 1679672273
Family Medicine in O Fallon, IL
About Dr. Aristides J. Garces M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARISTIDES J. GARCES M.D. (NPI 1679672273) is an individual family medicine provider in O Fallon, Illinois, licensed in Illinois (036069091) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Aristides J. Garces M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Aristides Garces reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
O Fallon, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 164 clinicians in this Medicare group
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 62269 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
O FALLON, IL 62269
O FALLON, IL 62269
O FALLON, IL 62269
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 Aristides Garces's NPI number?
The NPI number for Aristides Garces is 1679672273. It was assigned to this individual provider in the NPPES registry on September 21, 2006.
Where is Aristides Garces located?
Aristides Garces practices at 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269. The listed phone number is (618) 233-5480.
What is Aristides Garces's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Aristides Garces enrolled in Medicare?
Yes. Aristides Garces is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Aristides Garces's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aristides Garces reassigns Medicare benefits to Southern Illinois Healthcare Foundation Inc (O Fallon, IL). 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 Aristides Garces's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aristides Garces accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Aristides Garces 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 Aristides Garces was last updated on September 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.