Doctor profile · Federal record

Dr. Hadi Atassi, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Munster, IN

  • NPI 1407218621
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9030 Columbia Ave Ste B
Munster, IN 463212905
(219) 836-6002
fax (219) 836-6003
Additional location
550 S Jackson St Fl 3
Louisville, KY 402021622
(502) 852-7239

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
July 12, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Indiana #02007039A · Kentucky #04701
Medicaid
IN #300014901

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407218621. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,009
Distinct HCPCS
10
Medicare allowed
$115,978
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 201 123 $111
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 171 163 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 168 104 $73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 102 99 $161
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 82 82 $98
99214 Established patient office or other outpatient visit, 30-39 minutes 43 38 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 41 41 $119
45378 Diagnostic exam of large bowel using a flexible endoscope 28 28 $155
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 24 24 $5
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 23 23 $212

In context: peer comparison

Among 6 peers in this city , average services per provider: 77. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,818
Transactions
104
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 41 $430.47
Salix Pharmaceuticals, a division of Bausch Health US, LLC 21 $277.54
Janssen Biotech, Inc. 14 $248.44
Braintree Laboratories, Inc. 1 $220.33
Takeda Pharmaceuticals U.S.A., Inc. 15 $203.51
GENZYME CORPORATION 4 $145.41
Boston Scientific Corporation 1 $144.14
IRONWOOD PHARMACEUTICALS, INC 3 $63.97
Phathom Pharmaceuticals, Inc. 2 $41.17
AIMMUNE THERAPEUTICS, INC. 1 $23.70
Celgene Corporation 1 $19.26

By nature of payment

Food and Beverage
$1,734
Education
$84

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
13
Total drug cost
$469
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 15 13 $323
Omeprazole Generic 11 0 $146

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hadi Atassi's medical specialty?
Dr. Hadi Atassi practices Gastroenterology Physician in Munster, IN.
Where does Dr. Hadi Atassi practice?
Dr. Hadi Atassi practices at 9030 Columbia Ave Ste B, Munster, IN 463212905. Office phone: 2198366002.
What is Dr. Hadi Atassi's NPI?
Dr. Hadi Atassi's National Provider Identifier (NPI) is 1407218621, issued by NPPES.
Does Dr. Hadi Atassi accept Medicare assignment?
Yes. Dr. Hadi Atassi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hadi Atassi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.