CARALINE CHO MD
NPI 1609570456
Family Medicine in O Fallon, IL
About Caraline Cho Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARALINE CHO MD (NPI 1609570456) is an individual family medicine provider in O Fallon, Illinois, licensed in Missouri (2026030892) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Hshs St Elizabeth's Hospital, and maintains a secondary practice location in Kirkwood.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Caraline Cho Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Caraline Cho reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63122
- Reassigned Medicare billing, Missouri enrollment
- 34 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILPhysician 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.
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 Caraline Cho's NPI number?
The NPI number for Caraline Cho is 1609570456. It was assigned to this individual provider in the NPPES registry on March 27, 2023.
Where is Caraline Cho located?
Caraline Cho practices at 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269. The listed phone number is (618) 233-5480.
What is Caraline Cho's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Caraline Cho enrolled in Medicare?
Yes. Caraline Cho is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Caraline Cho's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caraline Cho reassigns Medicare benefits to Premier Medical Physicians LLC (Saint Louis, 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 Caraline Cho's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caraline Cho accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Caraline Cho 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.
Is Caraline Cho affiliated with any hospitals?
According to CMS data, Caraline Cho is affiliated with Hshs St Elizabeth's Hospital.
When was this NPI record last updated?
The NPPES record for Caraline Cho was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.