MARIO J MARCINCZYK MD
NPI 1467409599
Anesthesiology in Alton, IL
About Mario J Marcinczyk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIO J MARCINCZYK MD (NPI 1467409599) is an individual anesthesiology provider in Alton, Illinois, licensed in Illinois (036.095452) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Christian Hospital Northeast, and is a graduate of Southern Illinois University School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Mario J Marcinczyk 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 Mario Marcinczyk 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 63136
- Reassigned Medicare billing, Illinois and Missouri enrollments
- Medicare enrollment name: Midwest Anesthesia Providers Sc
- 253 clinicians in this Medicare group
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Springfield, IL 62769
- Reassigned Medicare billing, Illinois enrollment
- 826 clinicians in this Medicare group
Cape Girardeau, MO 63701
- Reassigned Medicare billing, Missouri enrollment
- 470 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Associated Anesthesiologists Sc
- 337 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.
Christian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALTON, IL 62002
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 Mario Marcinczyk's NPI number?
The NPI number for Mario Marcinczyk is 1467409599. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is Mario Marcinczyk located?
Mario Marcinczyk practices at 1 Memorial Dr, Alton, IL 62002. The listed phone number is (618) 463-7311.
What is Mario Marcinczyk's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mario Marcinczyk enrolled in Medicare?
Yes. Mario Marcinczyk 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 Mario Marcinczyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Marcinczyk reassigns Medicare benefits to 5 organizations: Midwest Anesthesia Providers S.C (Saint Louis, MO), Ssm Health Care Group (Saint Louis, MO), North American Partners In Anesthesia (illinois), LLC (Springfield, IL), Southeast Missouri Hospital Physicians, LLC (Cape Girardeau, MO) and Associated Anesthesiologists, S.C. (Peoria, 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 Mario Marcinczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mario Marcinczyk affiliated with any hospitals?
According to CMS data, Mario Marcinczyk is affiliated with Christian Hospital Northeast.
When was this NPI record last updated?
The NPPES record for Mario Marcinczyk was last updated on October 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mario J Marcinczyk, MD · NPI 1467409599
Anesthesiology physician in Alton, Illinois. Individual provider, active in the CMS NPPES registry since May 26, 2006.
## Identity
- **NPI:** 1467409599 (Entity type: Individual)
- **Enumerated:** May 26, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 036.095452 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 MEMORIAL DR, Alton, IL 62002-6722
- **Phone:** (618) 463-7311
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Midwest Anesthesia Providers S.C (NPI 1295189082, Saint Louis, MO); Ssm Health Care Group (NPI 1306589544, Saint Louis, MO); North American Partners In Anesthesia (illinois), LLC (NPI 1699032524, Springfield, IL); Southeast Missouri Hospital Physicians, LLC (NPI 1558311522, Cape Girardeau, MO); Associated Anesthesiologists, S.C. (NPI 1558306480, Peoria, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern Illinois University School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** October 9, 2023
- **Other identifiers:** Medicaid 036095452 (IL); Other 203133 (MO); Medicaid 207562307 (MO); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1467409599) · Data from the CMS NPPES public registry.