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

Dr. Tamer Atassi, MD

Individual provider Gastroenterology Physician · NPI 1548276819

Dr. Tamer Atassi, MD is a Gastroenterology in Joliet, Illinois. Qualified in 1993, 33 years ago. Practices with Gi Partners of Illinois PLLC, a 38-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Licensed in
IL
In the registry since
2006
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

2121 Oneida St Ste 302
Joliet, IL 60435-6544
Phone: (630) 685-2877
Fax: (630) 395-9796
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 036113533 (IL)

Record details

NPI number1548276819
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 31, 2006
Last updated in NPPESOctober 2, 2012
Mailing addressPo Box 433, Lemont, IL 60439

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Gi Partners Of Illinois Pllc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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