THAMER KASSIM M.D
NPI 1518410091
Internal Medicine - Gastroenterology in Omaha, NE

Active since August 01, 2016PECOS EnrolledAccepts Medicare Assignment
601 N 30TH ST DEPT OF, OMAHA, NE 68131(402) 717-0800 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 4, 2026, Dec 12, 2025, Nov 17, 2025 and 4 more (7 updates tracked since 2020).

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.Information from the official NPPES registry record.

NPPES Registry Identity

NPI1518410091
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameTHAMER KASSIMCredential: M.D
Location Address601 N 30TH ST DEPT OFOmaha, NE 68131-2128
Mailing Address7500 Mercy RdOmaha, NE 68124-2319 · (855) 524-4001
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateAugust 1, 2016
Last NPPES UpdateFebruary 4, 20267 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
NPI 1518410091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in NE · 31802 Licensed in KS · 04-52148 Licensed in MO · 2023021293
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD45497 (IA)
601 N 30TH ST DEPT OF, Omaha, NE 68131

Secondary Practice Locations 3

Location 1802 N Riverside Rd Ste 220Saint Joseph, MO 64507-2509 · Phone (816) 271-7074 · Fax (816) 385-8083
Location 22790 Clay Edwards Dr Ste 1235North Kansas City, MO 64116-3276 · Phone (816) 691-1920 · Fax (816) 346-7210
Location 31500 SW 10th AveTopeka, KS 66604-1301 · Phone (785) 354-6000

Accepted Insurance

Medicare Participation & PECOS Enrollment Status

Thamer Kassim is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Thamer Kassim is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1759647563

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20190911001637, I20230923000260, I20251224001047

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

This service was performed 37 times for 29 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

This service was performed 180 times for 172 patients

Biopsy of large bowel using a flexible endoscope

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

This service was performed 53 times for 53 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

This service was performed 24 times for 24 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

This service was performed 62 times for 61 patients

Diagnostic exam of large bowel using a flexible endoscope

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

This service was performed 46 times for 45 patients

Imaging of digestive tract done from the inside of the digestive tract

This procedure, known as an endoscopy, involves a small camera being passed into the digestive tract. It helps doctors to see the inside of your digestive system in detail. This can aid in diagnosing conditions or planning treatments. It's generally safe and can provide valuable information.

This service was performed 23 times for 20 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 28 times for 28 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

This service was performed 24 times for 24 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 281 times for 267 patients

Removal of large bowel tissue using a flexible endoscope

This procedure, known as a colonoscopy, involves using a flexible endoscope to examine and potentially remove tissue from the large intestine. The endoscope allows the doctor to view the bowel lining directly and remove any abnormal tissue for further analysis.

This service was performed 12 times for 12 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

This service was performed 115 times for 114 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 234 times for 155 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 97 times for 68 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $30.33 for a new patient copayment and $23.38 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 68131 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $121.35
  • Minimum New Patient Price $52.69
  • Maximum New Patient Price $160.21
  • Average New Patient Copayment $30.33
  • Minimum New Patient Copayment $13.17
  • Maximum New Patient Copayment $40.05

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $93.55
  • Minimum Established Patient Price $16.9
  • Maximum Established Patient Price $131.25
  • Average Established Patient Copayment $23.38
  • Minimum Established Patient Copayment $4.22
  • Maximum Established Patient Copayment $32.81

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Thamer Kassim is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
STORMONT VAIL HOSPITAL1500 SW 10TH AVENUE
TOPEKA, KS 66604
(785) 354-6121Acute Care Hospitals
MOSAIC LIFE CARE AT ST JOSEPH5325 FARAON STREET
SAINT JOSEPH, MO 64506
(816) 271-6000Acute Care Hospitals
NORTH KANSAS CITY HOSPITAL2800 CLAY EDWARDS DRIVE
NORTH KANSAS CITY, MO 64116
(816) 691-2000Acute Care Hospitals
SAINT FRANCIS MEDICAL CENTER211 ST FRANCIS DR
CAPE GIRARDEAU, MO 63703
(573) 331-3000Acute Care Hospitals

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Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Surgery
601 N 30TH ST DEPT OF
OMAHA, NE 68131
Internal Medicine
601 N 30TH ST DEPT OF
OMAHA, NE 68131

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518410091, enumerated as an "individual" on August 01, 2016.

The provider is located at 601 N 30TH ST DEPT OF OMAHA, NE 68131 and the phone number is (402) 717-0800.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Ambetter from Arkansas Health & Wellness, Ambetter. Please consult your insurance carrier or call the provider to verify.

Thamer Kassim is affiliated with: STORMONT VAIL HOSPITAL, MOSAIC LIFE CARE AT ST JOSEPH, NORTH KANSAS CITY HOSPITAL and SAINT FRANCIS MEDICAL CENTER.