Individual Healthcare Provider
Sami Atassi, MD
Provider's NPPES record last updated: July 9, 2024
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1801830534
- Primary Specialty
- Internal Medicine — Hematology & Oncology
- Practice Location
- Michigan City, Indiana
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 8:31 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Hematology & Oncology
Allopathic & Osteopathic Physicians
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy code 207RH0003X Internal Medicine
Hematology
Allopathic & Osteopathic Physicians
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Taxonomy code 207RH0000X
Provider-Reported License Information
- Internal Medicine (Indiana)
- 01060203A
- Internal Medicine (Iowa)
- 47734
- Internal Medicine (Illinois)
- 036.091724
Practice Locations
Practice Location
8955 W 400 N
Michigan City, Indiana 46360-9330
Phone: (219) 861-5800
Additional Practice Location
2600 S Michigan Ave Ste 308
Chicago, Illinois 60616-0049
Phone: (312) 326-6666
Additional Practice Location
621 Memorial Dr Ste 100
South Bend, Indiana 46601-1063
Phone: (574) 647-1100
Fax: (574) 647-5907
Additional Practice Location
1400 Pin Oak Dr
Carterville, Illinois 62918-1600
Phone: (618) 985-3333
Fax: (618) 985-1318
Record Information
- Enumeration Date
- June 15, 2006
- Provider's NPPES Record Last Updated
- July 9, 2024
- Certification Date
- July 9, 2024
- NPISignal NPPES Dataset
- August 2026
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