Quick answers
- Which hospitals does Harminder S. Sethi work at?
- Medicare's official clinician data lists Harminder S. Sethi at 4 hospitals: Adventist Healthcare White Oak Medical Center, George Washington Univ Hospital, Howard University Hospital Corp and MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Harminder S. Sethi see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Hyattsville, MD. Call before your visit to confirm the address.
- What is Harminder S. Sethi's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Harminder S. Sethi accept Medicare assignment?
- Yes. Medicare's clinician data says Harminder S. Sethi 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 Harminder S. Sethi offer telehealth?
- Medicare's clinician data says Harminder S. Sethi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Harminder S. Sethi?
- (202) 636-9090, as listed in official Medicare / NPI Registry data.
- What is Harminder S. Sethi's NPI number?
- 1275563033. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Harminder S. Sethi works
Medicare's Facility Affiliation Data lists Harminder S. Sethi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · CCN 210016
- George Washington Univ HospitalWashington, DC · Acute Care Hospital · CCN 090001
- Howard University Hospital CorpWashington, DC · Acute Care Hospital · CCN 090003
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where Harminder S. Sethi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1160 Varnum St NE, Suite 318Washington, DC 20017 (202) 636‑9090
- 6505 Belcrest Rd, Suite 110Hyattsville, MD 20782 (301) 779‑8800
Group practices
Medicare enrollment lists Harminder S. Sethi as a member of this group (CMS data updated 2026-10-02).
- Maryland Oncology Hematology PA104 clinicians in the group
Specialties
- Hematology/Oncologyprimary
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 | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275563033 |
| 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