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MR. SAM ALNAJJAR MD
NPI 1972612158
Internal Medicine - Critical Care Medicine in Tucson, AZ

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
89.28/100
CMS Quality Rating
6200 N LA CHOLLA BLVD, TUCSON, AZ 85741(480) 861-1415(480) 393-7542 Get Directions Write a Review

NPPES record last updated: July 17, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 17, 2023, Feb 15, 2021 (2 updates tracked since 2021).

About Mr. Sam Alnajjar Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. SAM ALNAJJAR MD (NPI 1972612158) is an individual critical care medicine provider in Tucson, Arizona, licensed in Arizona (41176) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Silver Cross Hospital And Medical Centers, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1972612158
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameMR. SAM ALNAJJARCredential: MD
Location Address6200 N LA CHOLLA BLVDTucson, AZ 85741-3529
Mailing AddressPo Box 32770Phoenix, AZ 85064-2770 · (480) 861-1415 · Fax (480) 393-7542
Phone(480) 861-1415
Fax(480) 393-7542
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 17, 20232 updates tracked since enumeration
NPPES CertifiedJuly 17, 2023
✔ NPI 1972612158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses✔ Licensed in AZ · 41176✔ Licensed in OK · 37866
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
6200 N LA CHOLLA BLVD, Tucson, AZ 85741
Open in Google Maps ↗

Other Names 1

Former Name (1)Mr. Mhd Osama Alnajjar Md

Secondary Practice Locations 2

Location 16525 N Lost Dutchman DrParadise Valley, AZ 85253-4103 · Phone (248) 767-1975 · Fax (949) 437-3271
Location 21122 NE 13th StOklahoma City, OK 73117-1039 · Phone (405) 271-4351 · Fax (405) 271-8695

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas, Inc., Oscar Health, Oscar Insurance Company.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

Mr. Sam Alnajjar Md 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.

PECOS PAC ID9537223524
PECOS Enrollment IDI20211123001507, I20250725003167
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

9

Medicare enrollment records show Sam Alnajjar reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Hbp Medical Services LLC
Same address
Emergency Medicine
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
  • Reassigned Medicare billing, Arizona enrollment
  • 664 clinicians in this Medicare group
NPI 1407353006 (520) 229-2657
Northwest Allied Physicians LLC
0.2 mi
General Practice
6060 N FOUNTAIN PLAZA DR STE 270
Tucson, AZ 85704
  • Reassigned Medicare billing, Arizona enrollment
  • 296 clinicians in this Medicare group
NPI 1003833179 (520) 229-2578
Sound Physicians Intensivists Of Arizona, Inc
6.4 mi
Internal Medicine
1601 W SAINT MARYS RD
Tucson, AZ 85745
  • Reassigned Medicare billing, Arizona enrollment
  • 66 clinicians in this Medicare group
NPI 1962944702 (520) 872-3000
Banner Hospital Based Physicians Arizona LLC
70 mi
Multi-Specialty
37000 N GANTZEL RD
San Tan Valley, AZ 85140
  • Reassigned Medicare billing, Arizona enrollment
  • 1,081 clinicians in this Medicare group
NPI 1275889891 (480) 543-2034
City Of Hope Medical Group Of Arizona LLC
111 mi
Medical Oncology
14200 CELEBRATE LIFE WAY
Goodyear, AZ 85338
  • Reassigned Medicare billing, Arizona enrollment
  • 359 clinicians in this Medicare group
NPI 1609026806 (847) 746-4333
Vigilias LLC
861 mi
Internal Medicine
4704 E OAKLAND
Wichita, KS 67218
  • Reassigned Medicare billing, Kansas enrollment
  • 92 clinicians in this Medicare group
NPI 1407242241 (800) 924-8140
Dunn Physician Services, LLC
1,032 mi
Hospitalist
2316 E MEYER BLVD
Kansas City, MO 64132
  • Reassigned Medicare billing, Missouri enrollment
  • 85 clinicians in this Medicare group
NPI 1437990082 (816) 276-4000
Missouri Intensivist Services LLC
1,032 mi
Critical Care Medicine
2316 E MEYER BLVD
Kansas City, MO 64132
  • Reassigned Medicare billing, Missouri enrollment
  • 26 clinicians in this Medicare group
NPI 1770399776 (816) 276-4000
Midwest Respiratory, Ltd.
1,410 mi
Pulmonary Disease
903 129TH INFANTRY DR, SUITE 400
Joliet, IL 60435
  • Reassigned Medicare billing, Illinois enrollment
  • 20 clinicians in this Medicare group
NPI 1407933831 (815) 725-2653

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 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
518 services167 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
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.
63 services49 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
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.
51 services36 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140213
Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County
Emergency services Birthing friendly

Research Medical Center

Acute Care Hospitals · Kansas City, MO
2/5 CMS rating
OwnershipProprietary
CMS Certification Number260027
Location2316 E Meyer BlvdKansas City, MO 64132 · Jackson County
Emergency services Birthing friendly

St Mary's Medical Center

Acute Care Hospitals · Blue Springs, MO
4/5 CMS rating
OwnershipProprietary
CMS Certification Number260193
Location201 NW R D Mize RdBlue Springs, MO 64014 · Jackson County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85741 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.56
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELLEN MARIE KULESA CRNA
Nurse Anesthetist, Certified Registered
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 742-9000
ALEXIS JIMENEZ DO
Student in an Organized Health Care Education/Training Program
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 742-9000
EMMANUEL ASLAN GALLEGOS
Student in an Organized Health Care Education/Training Program
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 742-9000
DR. DAVID M SCHWARTZ DO
Internal Medicine
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 469-8011
PAMELA D LOWE APRN, ACNPC-AG
Nurse Practitioner (Acute Care)
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 742-9000
ERIC STANLEY CRNA
Nurse Anesthetist, Certified Registered
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 742-9000
CAMERON TAYLOR FRICKE BSN RN
Registered Nurse (Critical Care Medicine)
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 742-9000
JULIE TAMAYO DO
Student in an Organized Health Care Education/Training Program
6200 N LA CHOLLA BLVD
TUCSON, AZ 85741
Pima County (520) 742-9000

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 Sam Alnajjar's NPI number?

The NPI number for Sam Alnajjar is 1972612158. It was assigned to this individual provider in the NPPES registry on August 30, 2006. The provider is also known as Mr. Mhd Osama Alnajjar MD.

Where is Sam Alnajjar located?

Sam Alnajjar practices at 6200 N La Cholla Blvd, Tucson, AZ 85741. The listed phone number is (480) 861-1415.

What is Sam Alnajjar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Sam Alnajjar enrolled in Medicare?

Yes. Sam Alnajjar 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 Sam Alnajjar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sam Alnajjar reassigns Medicare benefits to 9 organizations: Northwest Hbp Medical Services LLC (Tucson, AZ), Northwest Allied Physicians LLC (Tucson, AZ), Sound Physicians Intensivists Of Arizona, Inc (Tucson, AZ), Banner Hospital Based Physicians Arizona LLC (San Tan Valley, AZ), City Of Hope Medical Group Of Arizona LLC (Goodyear, AZ) and 4 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 Sam Alnajjar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sam Alnajjar accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc., Oscar Health and Oscar Insurance Company list Sam Alnajjar 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 Sam Alnajjar affiliated with any hospitals?

According to CMS data, Sam Alnajjar is affiliated with Silver Cross Hospital And Medical Centers, Research Medical Center and St Mary's Medical Center.

When was this NPI record last updated?

The NPPES record for Sam Alnajjar was last updated on July 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.