THAMER KASSIM M.D
NPI 1518410091
Internal Medicine - Gastroenterology in Omaha, NE
About Thamer Kassim M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THAMER KASSIM M.D (NPI 1518410091) is an individual gastroenterology provider in Omaha, Nebraska, licensed in Nebraska (31802) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS, is affiliated with Stormont Vail Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thamer Kassim M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
10Medicare enrollment records show Thamer Kassim reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Omaha, NE 68124
- Reassigned Medicare billing, Nebraska enrollment
- 1,045 clinicians in this Medicare group
Nebraska City, NE 68410
- Reassigned Medicare billing, Nebraska enrollment
- Medicare enrollment name: St Marys Community Hospital
- 53 clinicians in this Medicare group
Lincoln, NE 68510
- Reassigned Medicare billing, Nebraska enrollment
- 525 clinicians in this Medicare group
Lincoln, NE 68516
- Reassigned Medicare billing, Nebraska enrollment
- 48 clinicians in this Medicare group
Saint Joseph, MO 64506
- Reassigned Medicare billing, Missouri enrollment
- 471 clinicians in this Medicare group
Platte City, MO 64079
- Reassigned Medicare billing, Missouri enrollment
- 702 clinicians in this Medicare group
Topeka, KS 66606
- Reassigned Medicare billing, Kansas enrollment
- Medicare enrollment name: Cotton-O'neil Clinic Revocable Trust
- 854 clinicians in this Medicare group
Kearney, NE 68845
- Reassigned Medicare billing, Nebraska enrollment
- 187 clinicians in this Medicare group
Farmington, MO 63640
- Reassigned Medicare billing, Missouri enrollment
- 595 clinicians in this Medicare group
Basin, WY 82410
- Reassigned Medicare billing, Wyoming enrollment
- 181 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Stormont Vail Hospital
Acute Care Hospitals · Topeka, KSMosaic Life Care At St Joseph
Acute Care Hospitals · Saint Joseph, MONorth Kansas City Hospital
Acute Care Hospitals · North Kansas City, MOSaint Francis Medical Center
Acute Care Hospitals · Cape Girardeau, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 68131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thamer Kassim's NPI number?
The NPI number for Thamer Kassim is 1518410091. It was assigned to this individual provider in the NPPES registry on August 1, 2016.
Where is Thamer Kassim located?
Thamer Kassim practices at 601 N 30th St Dept Of, Omaha, NE 68131. The listed phone number is (402) 717-0800.
What is Thamer Kassim's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Thamer Kassim enrolled in Medicare?
Yes. Thamer Kassim is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thamer Kassim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thamer Kassim reassigns Medicare benefits to 10 organizations: Alegent Creighton Clinic (Omaha, NE), St. Mary's Community Hospital (Nebraska City, NE), Chi Health Clinic Specialty, LLC (Lincoln, NE), Teledigm Physician Services, LLC (Lincoln, NE), Heartland Regional Medical Center (Saint Joseph, MO) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thamer Kassim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thamer Kassim accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Kansas, Inc., Blue Cross and Blue Shield of Nebraska and First Choice Next and 1 other insurer list Thamer Kassim as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Thamer Kassim affiliated with any hospitals?
According to CMS data, Thamer Kassim is affiliated with Stormont Vail Hospital, Mosaic Life Care At St Joseph, North Kansas City Hospital and Saint Francis Medical Center.
When was this NPI record last updated?
The NPPES record for Thamer Kassim was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Thamer Kassim, M.D · NPI 1518410091
Gastroenterology physician in Omaha, Nebraska. Individual provider, active in the CMS NPPES registry since August 1, 2016.
## Identity
- **NPI:** 1518410091 (Entity type: Individual)
- **Enumerated:** August 1, 2016
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 31802 (Nebraska)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 N 30TH ST DEPT OF, Omaha, NE 68131-2128
- **Phone:** (402) 717-0800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Alegent Creighton Clinic (NPI 1548287907, Omaha, NE); St. Mary's Community Hospital (NPI 1528016995, Nebraska City, NE); Chi Health Clinic Specialty, LLC (NPI 1285138065, Lincoln, NE); Teledigm Physician Services, LLC (NPI 1548667256, Lincoln, NE); Heartland Regional Medical Center (NPI 1477575405, Saint Joseph, MO); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** February 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1518410091) · Data from the CMS NPPES public registry.