Quick answers
- Which hospitals does Alexander S. Asser work at?
- Medicare's official clinician data lists Alexander S. Asser at 5 hospitals: Adventist Healthcare Shady Grove Medical Center, Adventist Healthcare White Oak Medical Center, Frederick Health Hospital, Holy Cross Germantown Hospital and Holy Cross Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander S. Asser see patients?
- Medicare's clinician data lists 6 practice locations, including Silver Spring, MD, Rockville, MD and Germantown, MD. Call before your visit to confirm the address.
- What is Alexander S. Asser's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Alexander S. Asser accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander S. Asser 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.
- Does Alexander S. Asser offer telehealth?
- Medicare's clinician data says Alexander S. Asser offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Alexander S. Asser?
- (301) 634-4800, as listed in official Medicare / NPI Registry data.
- What is Alexander S. Asser's NPI number?
- 1861656670. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander S. Asser works
Medicare's Facility Affiliation Data lists Alexander S. Asser at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · CCN 210057
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · CCN 210016
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · CCN 210065
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · CCN 210004
Practice locations
Addresses where Alexander S. Asser is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 12501 Prosperity Dr, Suite 300Silver Spring, MD 20904 (301) 634‑4800
- 15215 Shady Grove Rd, Suite 306Rockville, MD 20850 (301) 990‑0040
- 15225 Shady Grove Rd, Suite 201Rockville, MD 20850 (301) 670‑3000
- 19735 Germantown Rd, Suite 190Germantown, MD 20874 (240) 449‑1100
- 19801 Observation DrGermantown, MD 20876 (301) 557‑6000
Group practices
Medicare enrollment lists Alexander S. Asser as a member of this group (CMS data updated 2026-10-02).
- Adventist Physician Services Inc148 clinicians in the group
Specialties
Other cardiac electrophysiologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861656670 |
| 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