Quick answers
- Where does Sherley Xavier see patients?
- Medicare's clinician data lists 2 practice locations, including Upper Marlboro, MD and Washington, DC. Call before your visit to confirm the address.
- What is Sherley Xavier's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Sherley Xavier accept Medicare assignment?
- Yes. Medicare's clinician data says Sherley Xavier 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 Sherley Xavier?
- (202) 544-5440, as listed in official Medicare / NPI Registry data.
- What is Sherley Xavier's NPI number?
- 1124775325. 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 Sherley Xavier is enrolled with Medicare (CMS data updated 2026-10-02).
- 1400 Mercantile Ln, Suite 252Upper Marlboro, MD 20774 (202) 544‑5440
- 650 Pennsylvia Ave SE, Suite 440Washington, DC 20003 (202) 544‑5440
Group practices
Medicare enrollment lists Sherley Xavier as a member of this group (CMS data updated 2026-10-02).
- Capitolhill Consortium for Counseling and Consultation, LLC18 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Upper Marlboro
Clinicians with the same Medicare primary specialty in Upper Marlboro, MD — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124775325 |
| 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