Quick answers
- Where does Steven F. Williams see patients?
- Medicare's clinician data lists 3 practice locations, including Rockville, MD, Burke, VA and Lorton, VA. Call before your visit to confirm the address.
- What is Steven F. Williams's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Steven F. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Steven F. Williams 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.
- What is the phone number for Steven F. Williams?
- (301) 869-9776, as listed in official Medicare / NPI Registry data.
- What is Steven F. Williams's NPI number?
- 1790769453. 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 Steven F. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 15245 Shady Grove Rd, Suite 150Rockville, MD 20850 (301) 869‑9776
- 6045 Burke Centre PkwyBurke, VA 22015 (301) 869‑9776
- 7740 Gunston PlzLorton, VA 22079 (301) 869‑9776
Group practices
Medicare enrollment lists Steven F. Williams as a member of this group (CMS data updated 2026-10-02).
- Comprehensive Primary Care and Associates LLC171 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790769453 |
| 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