Quick answers
- Does Mohamad El Zaru accept Medicare assignment?
- Yes. Medicare's clinician data says Mohamad El Zaru 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 Mohamad El Zaru see?
- In 2024, CMS data shows 838 Original Medicare patients and 4,744 services for Mohamad El Zaru. This counts Original Medicare only and measures volume, not quality.
- What is Mohamad El Zaru's NPI number?
- 1366440794. 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 Mohamad El Zaru, 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 | 838 |
|---|---|
| Services billed to Medicare | 4,744 |
| Different services or procedures | 73 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,359 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)908 services
- Injection, regadenoson, 0.1 mg (J2785)368 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)347 services
- Technetium tc-99m sestamibi, diagnostic, per study dose (A9500)184 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%
- Arthritis43%
- Ischemic heart disease42%
- Diabetes35%
- Atrial fibrillation31%
Hospitals where Mohamad El Zaru works
Medicare's Facility Affiliation Data lists Mohamad El Zaru 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.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
- Milford Regional Medical CenterMilford, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220090
- Sturdy Memorial HospitalAttleboro, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220008
- Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116
Practice locations
Addresses where Mohamad El Zaru is enrolled with Medicare (CMS data updated October 2, 2026).
- 31 Pine St, Suite 102Norfolk, MA 02056 (508) 623‑3791
- 800 Washington StBoston, MA 02111 (617) 636‑5000
Group practices
Medicare enrollment lists Mohamad El Zaru as a member of this group (CMS data updated October 2, 2026).
- Cardiovascular Center at Tufts Medical Center Inc97 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in Massachusetts →
Other interventional cardiologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Cardiovascular Center at Tufts Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366440794 |
| 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