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

Aaron Leonard Klein, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1467623082

Aaron Leonard Klein, MD is a Pathology in Mount Vernon, Illinois. Qualified in 2008, 18 years ago. Practices with New Gi PC, a 21-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
18
Licensed in
IL
In the registry since
2008
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 Good Samaritan Way Dept OF Pathology
Mount Vernon, IL 62864-2402
Phone: (618) 899-1994
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 036133987 (IL)

Record details

NPI number1467623082
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2008
Last updated in NPPESJanuary 2, 2014
Mailing address1 Good Samaritan Way, Department Of Pathology, Mount Vernon, IL 62864-2402

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice New Gi Pc — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Mount Vernon