Quick answers
- Which hospitals does Abdullah Riar work at?
- Medicare's official clinician data lists Abdullah Riar at 2 hospitals: Carroll Hospital Center and Holy Cross Germantown Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Abdullah Riar see patients?
- Medicare's clinician data lists 3 practice locations, including Silver Spring, MD, Germantown, MD and Westminster, MD. Call before your visit to confirm the address.
- What is Abdullah Riar's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Abdullah Riar accept Medicare assignment?
- Yes. Medicare's clinician data says Abdullah Riar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Abdullah Riar?
- (301) 754-7000, as listed in official Medicare / NPI Registry data.
- What is Abdullah Riar's NPI number?
- 1588602593. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Abdullah Riar works
Medicare's Facility Affiliation Data lists Abdullah Riar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carroll Hospital CenterWestminster, MD · Acute Care Hospital · CCN 210033
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · CCN 210065
Practice locations
Addresses where Abdullah Riar is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Forest Glen RdSilver Spring, MD 20910 (301) 754‑7000
- 19801 Observation DrGermantown, MD 20876 (301) 557‑5928
- 200 Memorial AveWestminster, MD 21157 (410) 871‑6700
Group practices
Medicare enrollment lists Abdullah Riar as a member of these groups (CMS data updated 2026-10-02).
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Emergency Medicine Associates P.A., P.C.714 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Silver Spring
Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588602593 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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