Quick answers
- Which hospitals does Ram Trehan work at?
- Medicare's official clinician data lists Ram Trehan at 2 hospitals: Holy Cross Hospital and Suburban Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ram Trehan see patients?
- Medicare's clinician data lists 4 practice locations, including Washington, DC, Silver Spring, MD and Germantown, MD. Call before your visit to confirm the address.
- What is Ram Trehan's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Ram Trehan accept Medicare assignment?
- Yes. Medicare's clinician data says Ram Trehan 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 Ram Trehan offer telehealth?
- Medicare's clinician data says Ram Trehan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ram Trehan?
- (202) 726-0941, as listed in official Medicare / NPI Registry data.
- What is Ram Trehan's NPI number?
- 1952310070. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ram Trehan works
Medicare's Facility Affiliation Data lists Ram Trehan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · CCN 210004
- Suburban HospitalBethesda, MD · Acute Care Hospital · CCN 210022
Practice locations
Addresses where Ram Trehan is enrolled with Medicare (CMS data updated 2026-10-02).
- 106 Irving St NW, Suite 4100Washington, DC 20010 (202) 726‑0941
- 10750 Columbia Pike, Suite 501Silver Spring, MD 20901 (301) 593‑9035
- 19520 Doctors DrGermantown, MD 20874 (301) 593‑9035
- 50 W Edmonston Dr, Suite 600Rockville, MD 20852 (301) 593‑9035
Group practices
Medicare enrollment lists Ram Trehan as a member of this group (CMS data updated 2026-10-02).
- American Oncology Partners PA391 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Find other Hematology/Oncology doctors in District of Columbia →
Other hematologist-oncologists in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952310070 |
| 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