Quick answers
- Where does Alison C. Williams see patients?
- Medicare's clinician data lists 9 practice locations, including Waldorf, MD, Annapolis, MD and Prince Frederick, MD. Call before your visit to confirm the address.
- What is Alison C. Williams's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Alison C. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Alison C. 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 Alison C. Williams?
- (410) 298-0454, as listed in official Medicare / NPI Registry data.
- What is Alison C. Williams's NPI number?
- 1891705539. 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 Alison C. Williams is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 10400 Odonnell Pl, Suite 100Waldorf, MD 20603 (410) 298‑0454
- 122 Defense Hwy, Suite 102Annapolis, MD 21401 (410) 571‑0350
- 130 Hospital Rd, Suite Ll100Prince Frederick, MD 20678 (410) 535‑4111
- 130 Love Point Rd, Suite 105Stevensville, MD 21666 (410) 643‑3331
- 20528 Boland Farm Rd, Suite 110Germantown, MD 20876 (888) 601‑0943
Group practices
Medicare enrollment lists Alison C. Williams as a member of these groups (CMS data updated 2026-10-02).
- Maryland Imaging Network PC81 clinicians in the group
- Community Radiology Associates Inc65 clinicians in the group
- Chesapeake Open Mri L L C18 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Waldorf
Clinicians with the same Medicare primary specialty in Waldorf, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891705539 |
| 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