Quick answers
- Where does Michael Williams Jr. see patients?
- Medicare's clinician data lists 2 practice locations, including Fredericksburg, VA and King George, VA. Call before your visit to confirm the address.
- What is Michael Williams Jr.'s specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Michael Williams Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Williams Jr. 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 Michael Williams Jr.?
- (540) 368-3917, as listed in official Medicare / NPI Registry data.
- What is Michael Williams Jr.'s NPI number?
- 1790342426. 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 Michael Williams Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 411 B Park Hill DrFredericksburg, VA 22401 (540) 368‑3917
- 9305 Kings Hwy, Suite AKing George, VA 22485 (540) 775‑2250
Group practices
Medicare enrollment lists Michael Williams Jr. as a member of these groups (CMS data updated 2026-10-02).
- Physical Medicine Associates Ltd71 clinicians in the group
- Advanced Integrative Medicine LLC3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Fredericksburg
Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790342426 |
| 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