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Critical Care (Intensivists)

Sam Alnajjar, MD

Works at hospitals in Kansas City, MO · New Lenox, IL · Blue Springs, MO · Missouri, Illinois

Summary

Sam Alnajjar, MD (Critical Care (Intensivists)) is listed by Medicare at 3 hospitals in Kansas City, MO, New Lenox, IL and Blue Springs, MO. NPI 1972612158. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sam Alnajjar, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Critical Care (Intensivists)Primary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
MaleGender (as listed)
Missouri Intensivist Services LLCGroup practice (+1 more)

Quick answers

Which hospitals does Sam Alnajjar work at?
Medicare's official clinician data lists Sam Alnajjar at 3 hospitals: Research Medical Center, Silver Cross Hospital and Medical Centers and St Mary's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sam Alnajjar see patients?
Medicare's clinician data lists 2 practice locations, including New Lenox, IL and Kansas City, MO. Call before your visit to confirm the address.
What is Sam Alnajjar's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty.
Does Sam Alnajjar accept Medicare assignment?
Yes. Medicare's clinician data says Sam Alnajjar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Sam Alnajjar?
(815) 300-1100, as listed in official Medicare / NPI Registry data.
What is Sam Alnajjar's NPI number?
1972612158. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sam Alnajjar works

Medicare's Facility Affiliation Data lists Sam Alnajjar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Sam Alnajjar is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sam Alnajjar as a member of these groups (CMS data updated 2026-10-02).

  • Missouri Intensivist Services LLC21 clinicians in the group
  • Midwest Respiratory, Ltd.17 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Illinois →

Other critical care doctors in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All critical care doctors in Illinois →

Clinician information

CredentialMD
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972612158
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians