Quick answers
- Where does William Saway see patients?
- Medicare's clinician data lists 7 practice locations, including Washington, DC, Olney, MD and Columbia, MD. Call before your visit to confirm the address.
- What is William Saway's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William Saway accept Medicare assignment?
- Yes. Medicare's clinician data says William Saway 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 Saway offer telehealth?
- Medicare's clinician data says William Saway offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William Saway?
- (202) 429-2401, as listed in official Medicare / NPI Registry data.
- What is William Saway's NPI number?
- 1780675652. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William Saway is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
- 18101 Prince Philip DrOlney, MD 20832 (301) 570‑7404
- 18105 Prince Philip DrOlney, MD 20832 (301) 774‑8962
- 5450 Knoll N Dr, Suite 275Columbia, MD 21045 (410) 964‑6139
- 622 O Old Dobbin LnColumbia, MD 21045 (410) 964‑6300
Group practices
Medicare enrollment lists William Saway as a member of these groups (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
- Bellor Leichtling Saway and Schneider PC19 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 | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780675652 |
| 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
- 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