DR. ROSEMARY LOUISE FOSTER MD
NPI 1871889444
Anesthesiology - Pediatric Anesthesiology in Saint Louis, MO
About Dr. Rosemary Louise Foster Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROSEMARY LOUISE FOSTER MD (NPI 1871889444) is an individual pediatric anesthesiology provider in Saint Louis, Missouri, licensed in Missouri (2013039274) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Logan Health Medical Center, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
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. Rosemary Louise Foster 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
2Medicare enrollment records show Rosemary Foster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 405 clinicians in this Medicare group
Kalispell, MT 59901
- Reassigned Medicare billing, Montana enrollment
- 44 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.
Logan Health Medical Center
Acute Care Hospitals · Kalispell, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Rosemary Foster's NPI number?
The NPI number for Rosemary Foster is 1871889444. It was assigned to this individual provider in the NPPES registry on June 22, 2011.
Where is Rosemary Foster located?
Rosemary Foster practices at 1 Childrens Pl Dept Anesthesiology, Saint Louis, MO 63110. The listed phone number is (800) 862-9980.
What is Rosemary Foster's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.
Is Rosemary Foster enrolled in Medicare?
Yes. Rosemary Foster 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 Rosemary Foster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosemary Foster reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Northern Rockies Anesthesia Consultants PLLC (Kalispell, MT). 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 Rosemary Foster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rosemary Foster accept?
Health plans from Blue Cross and Blue Shield of Montana list Rosemary Foster 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 Rosemary Foster affiliated with any hospitals?
According to CMS data, Rosemary Foster is affiliated with Logan Health Medical Center.
When was this NPI record last updated?
The NPPES record for Rosemary Foster was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Rosemary Louise Foster, MD · NPI 1871889444
Pediatric Anesthesiology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 22, 2011.
## Identity
- **NPI:** 1871889444 (Entity type: Individual)
- **Enumerated:** June 22, 2011
- **Primary specialty:** Anesthesiology - Pediatric Anesthesiology · taxonomy 207LP3000X
- **State license:** 2013039274 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PL, DEPT ANESTHESIOLOGY, Saint Louis, MO 63110-1002
- **Phone:** (800) 862-9980 · **Fax:** (314) 362-1185
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1528005642, Saint Louis, MO); Northern Rockies Anesthesia Consultants PLLC (NPI 1912930199, Kalispell, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200034610 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1871889444) · Data from the CMS NPPES public registry.