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

Dr. Alfred O Greco, MD

Individual provider Medical Oncology Physician · NPI 1073501607

Dr. Alfred O Greco, MD is a Medical Oncology in Shiloh, Illinois. Graduated from University of Missouri, Columbia School of Medicine in 1975, 51 years ago. Practices with Washington University Physicians in Illinois Inc, a 167-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
51
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1418 Cross St Div Im Medical Oncology Ste 180
Shiloh, IL 62269-2914
Phone: (618) 607-1340
Fax: (618) 622-9724
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 036125100 (IL)

Record details

NPI number1073501607
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 7, 2005
Last updated in NPPESApril 21, 2025
Mailing addressPo Box 7412011, Chicago, IL 60674-2011

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice Washington University Physicians In Illinois Inc — 167 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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