Quick answers
- Does Hadi Zein accept Medicare assignment?
- Yes. Medicare's clinician data says Hadi Zein 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 Hadi Zein see?
- In 2024, CMS data shows 1,860 Original Medicare patients and 3,323 services for Hadi Zein. This counts Original Medicare only and measures volume, not quality.
- What is Hadi Zein's NPI number?
- 1780094805. 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 Hadi Zein, 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 | 1,860 |
|---|---|
| Services billed to Medicare | 3,323 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)2,626 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)202 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)202 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)91 services
- Emergency department visit with moderate level of medical decision making (99284)74 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 cholesterol67%
- Arthritis49%
- Ischemic heart disease37%
- Depression32%
- Anxiety32%
Hospitals where Hadi Zein works
Medicare's Facility Affiliation Data lists Hadi Zein 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.
- Luminis Health Doctors Community Medical Center, IncLanham, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210051
- University of MD Capital Region Medical CenterUpper Marlboro, MD · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 210003
Practice locations
Addresses where Hadi Zein is enrolled with Medicare (CMS data updated October 2, 2026).
- 7350 Van Dusen Rd, Suite 320Laurel, MD 20707 (301) 329‑3200
- 901 Harry S Truman Dr NUpper Marlboro, MD 20774 (240) 677‑3000
Group practices
Medicare enrollment lists Hadi Zein as a member of these groups (CMS data updated October 2, 2026).
- Dimensions Healthcare Associates, Inc199 clinicians in the group
- Capitol Cardiology Associates, LLC27 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Maryland →
Other cardiologists in Laurel
Clinicians with the same Medicare primary specialty in Laurel, MD — not a recommendation.
Other clinicians in Dimensions Healthcare Associates, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780094805 |
| 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