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

Sami Atassi, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1801830534

Sami Atassi, MD is a Hematology/Oncology in Michigan City, Indiana. Qualified in 1985, 41 years ago. Practices with Franciscan Physician Network, a 1,171-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Iowa, Illinois and Indiana.

Years since qualifying
41
Licensed in
IA, IL, IN
In the registry since
2006
Specialties on file
3
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

8955 W 400 N
Michigan City, IN 46360-9330
Phone: (219) 861-5800
Fax: (219) 861-5543
Show map & directions

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

Additional practice locations (3)

  • 1400 Pin Oak Dr, Carterville, IL 62918-1600 — (618) 985-3333
  • 2600 S Michigan Ave Ste 308, Chicago, IL 60616-0049 — (312) 326-6666
  • 621 Memorial Dr Ste 100, South Bend, IN 46601-1063 — (574) 647-1100

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 01060203A (IN)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence 47734 (IA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 036.091724 (IL)

Record details

NPI number1801830534
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESJuly 9, 2024
Certification dateJuly 9, 2024
Mailing addressPo Box 781076 Ste 400, Detroit, MI 48278-0001

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Franciscan Physician Network — 1171 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount