Quick answers
- Where does Melissa L. Williams see patients?
- Medicare's clinician data lists 2 practice locations, including Waldorf, MD and Chevy Chase, MD. Call before your visit to confirm the address.
- What is Melissa L. Williams's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Melissa L. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa L. 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 Melissa L. Williams?
- (301) 932-5960, as listed in official Medicare / NPI Registry data.
- What is Melissa L. Williams's NPI number?
- 1285895664. 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 Melissa L. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 3064 Waldorf Market PlWaldorf, MD 20603 (301) 932‑5960
- 5454 Wisconsin Ave, Suite 401Chevy Chase, MD 20815 (301) 215‑9440
Group practices
Medicare enrollment lists Melissa L. Williams as a member of this group (CMS data updated 2026-10-02).
- MedStar Urgent Care LLC300 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In Shreveport |
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285895664 |
| 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