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

Thamer Kassim, MD

Individual provider Internal Medicine Physician · NPI 1518410091

Thamer Kassim, MD is a Gastroenterology in Omaha, Nebraska. Qualified in 2012, 14 years ago. Practices with Cotton-O'Neil Clinic Revocable Trust, a 658-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Iowa, Kansas, Missouri and Nebraska.

Years since qualifying
14
Licensed in
IA, KS, MO, NE
In the registry since
2016
Specialties on file
4
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

601 N 30th St Dept OF
Omaha, NE 68131-2128
Phone: (402) 717-0800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 1500 Sw 10th Ave, Topeka, KS 66604-1301 — (785) 354-6000
  • 2790 Clay Edwards Dr Ste 1235, North Kansas City, MO 64116-3276 — (816) 691-1920
  • 802 N Riverside Rd Ste 220, Saint Joseph, MO 64507-2509 — (816) 271-7074

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 31802 (NE)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD45497 (IA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 04-52148 (KS)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 2023021293 (MO)

Record details

NPI number1518410091
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2016
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Cotton-O'Neil Clinic Revocable Trust — 658 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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