DR. ISABELLA ROSSI RIORDAN MD
NPI 1245644525
Anesthesiology in O Fallon, MO
About Dr. Isabella Rossi Riordan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ISABELLA ROSSI RIORDAN MD (NPI 1245644525) is an individual anesthesiology provider in O Fallon, Missouri, licensed in Missouri (2016042732) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Progress West Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Dr. Isabella Rossi Riordan 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.
Areas of Expertise CMS Part B claims
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.
Progress West Hospital
Acute Care Hospitals · O Fallon, MOMedicare 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.
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
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 Isabella Riordan's NPI number?
The NPI number for Isabella Riordan is 1245644525. It was assigned to this individual provider in the NPPES registry on June 16, 2014.
Where is Isabella Riordan located?
Isabella Riordan practices at 2 Progress Point Pkwy Dept Anesthesiology, O Fallon, MO 63368. The listed phone number is (800) 862-9980.
What is Isabella Riordan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Isabella Riordan enrolled in Medicare?
Yes. Isabella Riordan 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.
Is Isabella Riordan affiliated with any hospitals?
According to CMS data, Isabella Riordan is affiliated with Progress West Hospital.
When was this NPI record last updated?
The NPPES record for Isabella Riordan was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
