Quick answers
- Does Mohammad-Kasim H. Fassia accept Medicare assignment?
- Yes. Medicare's clinician data says Mohammad-Kasim H. Fassia 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.
- What is Mohammad-Kasim H. Fassia's NPI number?
- 1154940278. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mohammad-Kasim H. Fassia works
Medicare's Facility Affiliation Data lists Mohammad-Kasim H. Fassia 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.
- Brookdale Hospital Medical CenterBrooklyn, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330233
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 210065
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 210004
Practice locations
Addresses where Mohammad-Kasim H. Fassia is enrolled with Medicare (CMS data updated October 2, 2026).
- 1500 Forest Glen RdSilver Spring, MD 20910 (301) 754‑7000
- 1545 Atlantic AveBrooklyn, NY 11213 (718) 613‑4000
- 19801 Observation DrGermantown, MD 20876 (301) 557‑6000
Group practices
Medicare enrollment lists Mohammad-Kasim H. Fassia as a member of these groups (CMS data updated October 2, 2026).
- Interfaith Professional Physician Services PC384 clinicians in the group
- Professional Services of Holy Cross158 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Silver Spring
Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.
Other clinicians in Interfaith Professional Physician Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154940278 |
| 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
- 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