DR. CHRISTINE D WARNER MD
NPI 1871013078
Internal Medicine - Critical Care Medicine in Saint Louis, MO
About Dr. Christine D Warner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTINE D WARNER MD (NPI 1871013078) is an individual critical care medicine provider in Saint Louis, Missouri, licensed in Indiana (CV2201486) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Christine D Warner Md 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 Reassignments
5Medicare enrollment records show Christine Warner reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
O Fallon, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 99 clinicians in this Medicare group
Springfield, IL 62769
- Reassigned Medicare billing, Illinois enrollment
- 53 clinicians in this Medicare group
Decatur, IL 62521
- Reassigned Medicare billing, Illinois enrollment
- 20 clinicians in this Medicare group
Kansas City, MO 64132
- Reassigned Medicare billing, Missouri enrollment
- 85 clinicians in this Medicare group
Kansas City, MO 64132
- Reassigned Medicare billing, Missouri enrollment
- 26 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Johns Hospital
Acute Care Hospitals · Springfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 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.
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.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Christine Warner's NPI number?
The NPI number for Christine Warner is 1871013078. It was assigned to this individual provider in the NPPES registry on June 20, 2017.
Where is Christine Warner located?
Christine Warner practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6486.
What is Christine Warner's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Christine Warner enrolled in Medicare?
Yes. Christine Warner 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 organizations bill Medicare for Christine Warner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Warner reassigns Medicare benefits to 5 organizations: Cep America Illinois Intensivists (O Fallon, IL), St Johns Hospital Of The Hospital Sisters Of The Third Order Of St F (Springfield, IL), St Marys Hospital Decatur Of The Hospital Sisters Of The Third Order (Decatur, IL), Dunn Physician Services, LLC (Kansas City, MO) and Missouri Intensivist Services LLC (Kansas City, MO). Each 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 Christine Warner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Christine Warner affiliated with any hospitals?
According to CMS data, Christine Warner is affiliated with St Johns Hospital.
When was this NPI record last updated?
The NPPES record for Christine Warner was last updated on February 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Christine D Warner, MD · NPI 1871013078
Critical Care Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 20, 2017.
## Identity
- **NPI:** 1871013078 (Entity type: Individual)
- **Enumerated:** June 20, 2017
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** CV2201486 (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (314) 251-6486
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Cep America Illinois Intensivists (NPI 1992204184, O Fallon, IL); St Johns Hospital Of The Hospital Sisters Of The Third Order Of St F (NPI 1184606923, Springfield, IL); St Marys Hospital Decatur Of The Hospital Sisters Of The Third Order (NPI 1326041229, Decatur, IL); Dunn Physician Services, LLC (NPI 1437990082, Kansas City, MO); Missouri Intensivist Services LLC (NPI 1770399776, Kansas City, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** February 5, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1871013078) · Data from the CMS NPPES public registry.