MICHAEL THOMAS PIESCHEL
NPI 1639039936
Clinical Nurse Specialist - Gerontology in O Fallon, IL
About Michael Thomas Pieschel NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL THOMAS PIESCHEL (NPI 1639039936) is an individual gerontology provider in O Fallon, Illinois, licensed in Illinois (209.033858) and active in the NPI registry since November 2025. He is enrolled in Medicare PECOS, is affiliated with Hshs St Elizabeth's Hospital, and is a graduate of Ohio State University College Of Medicine (2025).
NPPES Registry Identity
Specialties & Licenses
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
Michael Thomas Pieschel 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 Michael Pieschel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
O Fallon, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 38 clinicians in this Medicare group
Pana, IL 62557
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Hshs Medical Group Inc
- 317 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62269 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Pieschel's NPI number?
The NPI number for Michael Pieschel is 1639039936. It was assigned to this individual provider in the NPPES registry on November 18, 2025.
Where is Michael Pieschel located?
Michael Pieschel practices at 1 Saint Elizabeth Blvd # 3000, O Fallon, IL 62269. The listed phone number is (618) 234-2120.
What is Michael Pieschel's specialty?
The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Gerontology, with taxonomy code 364SG0600X.
Is Michael Pieschel enrolled in Medicare?
Yes. Michael Pieschel 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 Pieschel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Pieschel reassigns Medicare benefits to 2 organizations: St Elizabeths Hospital Of The Hospital Sisters Of The Third Order (O Fallon, IL) and Sjl Health Systems Inc (Pana, IL). 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 Pieschel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Pieschel accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Medica and UnitedHealthcare list Michael Pieschel 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 Michael Pieschel affiliated with any hospitals?
According to CMS data, Michael Pieschel is affiliated with Hshs St Elizabeth's Hospital.
When was this NPI record last updated?
The NPPES record for Michael Pieschel was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Michael Thomas Pieschel · NPI 1639039936
Gerontology physician in O Fallon, Illinois. Individual provider, active in the CMS NPPES registry since November 18, 2025.
## Identity
- **NPI:** 1639039936 (Entity type: Individual)
- **Enumerated:** November 18, 2025
- **Primary specialty:** Clinical Nurse Specialist - Gerontology · taxonomy 364SG0600X
- **State license:** 209.033858 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 SAINT ELIZABETH BLVD # 3000, O Fallon, IL 62269-1099
- **Phone:** (618) 234-2120
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): St Elizabeths Hospital Of The Hospital Sisters Of The Third Order (NPI 1326268202, O Fallon, IL); Sjl Health Systems Inc (NPI 1215037353, Pana, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 2025
## Record status
- **NPPES last updated:** August 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639039936) · Data from the CMS NPPES public registry.