DR. MICHAEL JAMES PONKOWSKI MD
NPI 1891318895
Radiology - Diagnostic Radiology in Saint Louis, MO
About Dr. Michael James Ponkowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JAMES PONKOWSKI MD (NPI 1891318895) is an individual diagnostic radiology provider in Saint Louis, Missouri, licensed in Missouri (2024009882) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains a secondary practice location in Richmond.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Michael James Ponkowski 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
5Medicare enrollment records show Michael Ponkowski reassigns Medicare billing to 5 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
Linton, IN 47441
- Reassigned Medicare billing, Missouri enrollment
Fort Wayne, IN 46804
- Reassigned Medicare billing, Indiana enrollment
- Medicare enrollment name: Summit Radiology PC
- 64 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, Indiana enrollment
- 22 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILBarnes 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, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician 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
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 Michael Ponkowski's NPI number?
The NPI number for Michael Ponkowski is 1891318895. It was assigned to this individual provider in the NPPES registry on May 26, 2020.
Where is Michael Ponkowski located?
Michael Ponkowski practices at 510 S Kingshighway Blvd Dept Radiology, Saint Louis, MO 63110. The listed phone number is (314) 362-7200.
What is Michael Ponkowski's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Michael Ponkowski enrolled in Medicare?
Yes. Michael Ponkowski 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 Michael Ponkowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Ponkowski reassigns Medicare benefits to 5 organizations: Washington University (Saint Louis, MO), Miracl, LLC (Rolla, MO), Greene County General Hospital (Linton, IN), Summit Radiology P C (Fort Wayne, IN) and Pacific Imaging Associates LLC (Portland, OR). 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 Michael Ponkowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Ponkowski affiliated with any hospitals?
According to CMS data, Michael Ponkowski is affiliated with Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Michael Ponkowski was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.