Quick answers
- Does Mamoun Najjar accept Medicare assignment?
- Yes. Medicare's clinician data says Mamoun Najjar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mamoun Najjar see?
- In 2024, CMS data shows 350 Original Medicare patients and 2,257 services for Mamoun Najjar. This counts Original Medicare only and measures volume, not quality.
- What is Mamoun Najjar's NPI number?
- 1043269061. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mamoun Najjar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 350 |
|---|---|
| Services billed to Medicare | 2,257 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)551 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)176 services
- Test to measure expiratory airflow and volume changes before and after medication administration (94060)159 services
- Test to examine how well the lungs exchange gases (94729)159 services
- Test to determine lung volumes using sensors (94726)158 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- COPD68%
- Arthritis52%
- Diabetes48%
- Chronic kidney disease42%
Hospitals where Mamoun Najjar works
Medicare's Facility Affiliation Data lists Mamoun Najjar at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Crestwood Medical CenterHuntsville, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010131
- Decatur Morgan Hospital - Decatur CampusDecatur, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010085
Practice locations
Addresses where Mamoun Najjar is enrolled with Medicare (CMS data updated October 2, 2026).
- 1222 Somerville Rd SEDecatur, AL 35601 (256) 341‑0152
Group practices
Medicare enrollment lists Mamoun Najjar as a member of this group (CMS data updated October 2, 2026).
- Sleep and Pulmonary Care Center, P.C.3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Decatur
Clinicians with the same Medicare primary specialty in Decatur, AL — not a recommendation.
Other clinicians in Sleep and Pulmonary Care Center, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043269061 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians