Sam Alnajjar, MD
Critical Care Medicine (Internal Medicine) Physician · Tucson, AZ
Sam Alnajjar, MD is a critical care medicine (internal medicine) physician with a practice address in Tucson, Arizona, and NPI 1972612158, issued on Aug 30, 2006. Check the license (Arizona 41176, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sam Alnajjar
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 41176 AZ
37866 OK
Self-reported in NPPES; status is on the state search - Practice location
- 6200 N LA Cholla Blvd, Tucson, AZ 85741
- Phone
- (480) 861-1415
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 17, 2023
- Fax
- (480) 393-7542
- Medicare enrollment
- Enrolled (PECOS I20250725003167); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 180 in Arizona → Look up another NPI →
Also registered at 6200 N LA Cholla Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sam Alnajjar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 41176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
13 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Midwest Respiratory, Ltd.New Lenox, IL
- Missouri Intensivist Services LLCKansas City, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sam Alnajjar among 180 critical care medicine (internal medicine) physician records in Arizona
Sam Alnajjar, MD is one of 180 critical care medicine (internal medicine) physician records with a practice address in Arizona. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 58% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2000 · median 2007 among the 155 with a school on file
- Record last updated2023 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Arizona
There are 180 critical care medicine (internal medicine) physician records in Arizona.
All 180 in Arizona → Every provider in Tucson → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Nick Azarov, MDTucson, AZ 857411093937948
- Anthony Courey, M.D.Tucson, AZ 857411023138443
- Lisa Kaiser, D.O.Tucson, AZ 857411508811738
- Mohammad Khedr, MDTucson, AZ 857411427051705
- Edward Omron, M.D., M.P.H., FCCPTucson, AZ 857411134123755
- Jonathan Pak, M.D.Tucson, AZ 857411467657056
- David Garrison, M.D.Tucson, AZ 857241962880039
- Michael InselTucson, AZ 857241164798161
Common questions
What is Sam Alnajjar, MD's NPI number?
Sam Alnajjar, MD's National Provider Identifier (NPI) is 1972612158, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sam Alnajjar, MD located?
The NPPES record lists a practice address at 6200 N LA Cholla Blvd, Tucson, AZ, 85741. Phone: (480) 861-1415. Providers update this record themselves, so call before visiting.
How can I verify Sam Alnajjar, MD's license?
NPPES lists Arizona license number 41176, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sam Alnajjar, MD prescribe under Medicare Part D?
In 2024, Sam Alnajjar, MD had 13 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Sam Alnajjar, MD's MIPS final score?
The 2023 MIPS final score is 89.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.