DR. MICHAEL E MANDIS MD
NPI 1821065764
Internal Medicine in Maryville, IL
About Dr. Michael E Mandis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL E MANDIS MD (NPI 1821065764) is an individual internal medicine provider in Maryville, Illinois, licensed in Illinois (036112094) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through April 25, 2027, and is affiliated with Hshs St Elizabeth's Hospital.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 12
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. Michael E Mandis 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
4Medicare enrollment records show Michael Mandis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maryville, IL 62062
- Reassigned Medicare billing, Illinois enrollment
- 145 clinicians in this Medicare group
Maryville, IL 62062
- Reassigned Medicare billing, Illinois enrollment
- 124 clinicians in this Medicare group
Staunton, IL 62088
- Reassigned Medicare billing, Illinois enrollment
- 121 clinicians in this Medicare group
Eldorado, IL 62930
- Reassigned Medicare billing, Illinois enrollment
- 25 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 14D1039929
Michael E Mandis MD LLC · Maryville, ILAreas of Expertise CMS Part B claims 7
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 3
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, ILAnderson Hospital
Acute Care Hospitals · Maryville, ILCommunity Hospital Of Staunton
Critical Access Hospitals · Staunton, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mandis's NPI number?
The NPI number for Michael Mandis is 1821065764. It was assigned to this individual provider in the NPPES registry on February 28, 2006.
Where is Michael Mandis located?
Michael Mandis practices at 2236 Vadalabene Dr Suite 2, Maryville, IL 62062. The listed phone number is (618) 288-6136.
What is Michael Mandis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Mandis enrolled in Medicare?
Yes. Michael Mandis 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 Mandis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mandis reassigns Medicare benefits to 4 organizations: Anderson Medical Group, LLC (Maryville, IL), Midwest Inpatient Anderson Health, Inc (Maryville, IL), Midwest Emergency Anderson Health, Inc (Staunton, IL) and Eldorado Emergency Group PC (Eldorado, 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 Mandis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Does Michael Mandis hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 14D1039929) is associated with this NPI, valid through April 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Michael Mandis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Anthem Blue Cross and Blue Shield list Michael Mandis 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 Mandis affiliated with any hospitals?
According to CMS data, Michael Mandis is affiliated with Hshs St Elizabeth's Hospital, Anderson Hospital and Community Hospital Of Staunton.
When was this NPI record last updated?
The NPPES record for Michael Mandis was last updated on March 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.