DR. MARIA ROSANA PONISIO MD
NPI 1073771283
Radiology - Neuroradiology in Saint Louis, MO
About Dr. Maria Rosana Ponisio Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA ROSANA PONISIO MD (NPI 1073771283) is an individual neuroradiology provider in Saint Louis, Missouri, licensed in Missouri (2013027440) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Phelps County Regional Medical Center, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
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. Maria Rosana Ponisio 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 Maria Ponisio 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
- 373 clinicians in this Medicare group
Rolla, MO 65401
- Reassigned Medicare billing, Missouri enrollment
- 347 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 13
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Phelps County Regional Medical Center
Acute Care Hospitals · Rolla, MOBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOChristian Hospital Northeast
Acute Care Hospitals · Saint Louis, 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.
SAINT LOUIS, MO 63110
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 Maria Ponisio's NPI number?
The NPI number for Maria Ponisio is 1073771283. It was assigned to this individual provider in the NPPES registry on May 26, 2008.
Where is Maria Ponisio located?
Maria Ponisio practices at 510 S Kingshighway Blvd Dept Radiology, Saint Louis, MO 63110. The listed phone number is (314) 362-7200.
What is Maria Ponisio's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.
Is Maria Ponisio enrolled in Medicare?
Yes. Maria Ponisio 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 Maria Ponisio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Ponisio reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Miracl, LLC (Rolla, 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 Maria Ponisio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Ponisio accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Maria Ponisio 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 Maria Ponisio affiliated with any hospitals?
According to CMS data, Maria Ponisio is affiliated with Phelps County Regional Medical Center, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Christian Hospital Northeast.
When was this NPI record last updated?
The NPPES record for Maria Ponisio 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.