Physician Profile
Unclaimed ProfileAbout ATASSI
Tamer Atassi, M.D. is a healthcare provider in Joliet, IL specializing in gastroenterology. Medicare claims data shows Tamer provided 1,681 services to 1,344 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 685-2877
- Email not available
Practice Locations
2121 ONEIDA ST SUITE 302
Joliet, IL 60435
Procedures Most Often Billed to Medicare
1,681 services · 1,344 patients · 20 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
129 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
91 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
29 |
| Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43255 |
24 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
18 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
17 |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
16 |
| Insertion of stomach tube using a flexible endoscope | Procedure | 43246 |
14 |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
12 |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Joliet 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Atassi's specialty?
Dr. Atassi is a gastroenterology in Joliet, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Atassi?
Dr. Atassi is listed at 2121 ONEIDA ST SUITE 302, Joliet, IL 60435. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Atassi?
The number on file is (630) 685-2877. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Atassi?
Dr. Atassi's National Provider Identifier is 1548276819. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Atassi's medical education?
Dr. Atassi attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Atassi have?
Dr. Atassi has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Atassi known for?
According to Medicare billing data, Dr. Atassi performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Atassi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Atassi. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.