DR. MARJORIE ANN FARRINGTON MD
NPI 1740743947
Hospitalist in Saint Louis, MO
About Dr. Marjorie Ann Farrington Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARJORIE ANN FARRINGTON MD (NPI 1740743947) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2022022796) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Marjorie Ann Farrington Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Marjorie Farrington 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
- 628 clinicians in this Medicare group
Saint Louis, MO 63108
- Reassigned Medicare billing, Illinois enrollment
- 530 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 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 Marjorie Farrington's NPI number?
The NPI number for Marjorie Farrington is 1740743947. It was assigned to this individual provider in the NPPES registry on April 13, 2019.
Where is Marjorie Farrington located?
Marjorie Farrington practices at 1 Childrens Pl Div Ped Hospitalist Med, Saint Louis, MO 63110. The listed phone number is (314) 454-2076.
What is Marjorie Farrington's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Marjorie Farrington enrolled in Medicare?
Yes. Marjorie Farrington is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marjorie Farrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marjorie Farrington reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Washington University Physicians In Illinois, Inc (Saint Louis, 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 Marjorie Farrington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marjorie Farrington 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. Marjorie Ann Farrington, MD · NPI 1740743947
Hospitalist physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 13, 2019.
## Identity
- **NPI:** 1740743947 (Entity type: Individual)
- **Enumerated:** April 13, 2019
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 2022022796 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PL, DIV PED HOSPITALIST MED, Saint Louis, MO 63110-1002
- **Phone:** (314) 454-2076 · **Fax:** (314) 747-8953
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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 1194765685, Saint Louis, MO); Washington University Physicians In Illinois, Inc (NPI 1457203135, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200111820 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1740743947) · Data from the CMS NPPES public registry.