Quick answers
- Which hospitals does William F. Duboyce work at?
- Medicare's official clinician data lists William F. Duboyce at 2 hospitals: MedStar Georgetown University Hospital and MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William F. Duboyce see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Mitchellville, MD. Call before your visit to confirm the address.
- What is William F. Duboyce's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William F. Duboyce accept Medicare assignment?
- Yes. Medicare's clinician data says William F. Duboyce 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 William F. Duboyce offer telehealth?
- Medicare's clinician data says William F. Duboyce offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William F. Duboyce?
- (202) 429-2401, as listed in official Medicare / NPI Registry data.
- What is William F. Duboyce's NPI number?
- 1619976438. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William F. Duboyce works
Medicare's Facility Affiliation Data lists William F. Duboyce at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Georgetown University HospitalWashington, DC · Acute Care Hospital · CCN 090004
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where William F. Duboyce is enrolled with Medicare (CMS data updated 2026-10-02).
- 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
- 12158 Central AveMitchellville, MD 20721 (301) 430‑2750
Group practices
Medicare enrollment lists William F. Duboyce as a member of this group (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
Specialties
- Internal Medicineprimary
Find other Internal Medicine doctors in District of Columbia →
Other internal medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Howard University College Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619976438 |
| 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