Doctor profile · Federal record
Dr. Thamer Kassim, M.D
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Gastroenterology Physician · Omaha, NE
- NPI 1518410091
- Accepts Medicare
- 14 yrs in practice
- Licensed in 4 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
601 N 30Th St Dept of
Omaha, NE 681312128
(402) 717-0800 - Additional location
-
2790 Clay Edwards Dr Ste 1235
North Kansas City, MO 641163276
(816) 691-1920
fax (816) 346-7210 - Additional location
-
802 N Riverside RD Ste 220
Saint Joseph, MO 645072509
(816) 271-7074
fax (816) 385-8083 - Additional location
-
1500 Sw 10Th Ave
Topeka, KS 666041301
(785) 354-6000 - Mailing address
-
7500 Mercy RD
Omaha, NE 681242319
Show 1 more location
Credentials & registration
- NPI registered
- August 2016 — 10 yrs on file
- Profile last updated
- February 4, 2026
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (4)
- Nebraska #31802 · Iowa #MD45497 · Kansas #04-52148 · Missouri #2023021293
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518410091. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
408
Distinct HCPCS
10
Medicare allowed
$49,336
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 89 | 60 | $73 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 74 | 48 | $111 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 69 | 68 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 54 | 53 | $163 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 40 | 38 | $85 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 35 | 35 | $234 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $99 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 12 | 12 | $117 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 12 | 12 | $114 | |
G0427 |
Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth | 11 | 11 | $173 |
In context: peer comparison
Among 25 peers in this city , average services per provider: 429. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$294
Transactions
8
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GENZYME CORPORATION | 1 | $138.16 | |
| Janssen Biotech, Inc. | 2 | $68.11 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 2 | $28.75 | |
| Lilly USA, LLC | 1 | $21.95 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $19.89 | |
| ABBVIE INC. | 1 | $17.23 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
88
Patients
37
Total drug cost
$12,635
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 39 | 21 | $855 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 17 | 16 | $320 |
| Linzess (Linaclotide) | Brand | 17 | 0 | $11,378 |
| Furosemide | Generic | 15 | 0 | $82 |
Hospital affiliations
Frequently asked questions
What is Dr. Thamer Kassim's medical specialty?
Dr. Thamer Kassim practices Gastroenterology Physician in Omaha, NE.
Where does Dr. Thamer Kassim practice?
Dr. Thamer Kassim practices at 601 N 30Th St Dept of, Omaha, NE 681312128. Office phone: 4027170800.
What is Dr. Thamer Kassim's NPI?
Dr. Thamer Kassim's National Provider Identifier (NPI) is 1518410091, issued by NPPES.
Does Dr. Thamer Kassim accept Medicare assignment?
Yes. Dr. Thamer Kassim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thamer Kassim commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.