DR. MARY ELLEN BASS MD
NPI 1063308344
Emergency Medicine in Saint Louis, MO
About Dr. Mary Ellen Bass Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY ELLEN BASS MD (NPI 1063308344) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (IA-0008025964) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mary Ellen Bass Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
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.
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
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 Mary Bass's NPI number?
The NPI number for Mary Bass is 1063308344. It was assigned to this individual provider in the NPPES registry on June 14, 2025.
Where is Mary Bass located?
Mary Bass practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. The listed phone number is (314) 747-3000.
What is Mary Bass's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mary Bass enrolled in Medicare?
Yes. Mary Bass is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Mary Bass was last updated on June 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
