Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mario J Marcinczyk, MD

Individual provider Anesthesiology Physician · NPI 1467409599

Mario J Marcinczyk, MD is an Anesthesiology in Alton, Illinois. Graduated from Southern Illinois University School of Medicine in 1993, 33 years ago. Practices with Midwest Anesthesia Providers SC, a 182-clinician group and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
33
Trained at
Southern Illinois University School of Medicine
Licensed in
IL, MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Memorial Dr
Alton, IL 62002-6722
Phone: (618) 463-7311
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 036.095452 (IL)
Anesthesiology Physician Taxonomy 207L00000X · Licence 2005024595 (MO)

Record details

NPI number1467409599
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2006
Last updated in NPPESOctober 9, 2023
Certification dateOctober 9, 2023
Mailing addressPo Box 1125, Maryland Heights, MO 63043-0125

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Midwest Anesthesia Providers Sc — 182 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Alton