Quick answers
- Does Tessa M. Washington accept Medicare assignment?
- Yes. Medicare's clinician data says Tessa M. Washington accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Tessa M. Washington's NPI number?
- 1316584733. 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 Tessa M. Washington is enrolled with Medicare (CMS data updated October 2, 2026).
- 985 Prince Frederick Blvd, Suite 201Prince Frederick, MD 20678 (410) 535‑2005
Group practices
Medicare enrollment lists Tessa M. Washington as a member of this group (CMS data updated October 2, 2026).
- Calvert Internal Medicine Group, PA39 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Prince Frederick
Clinicians with the same Medicare primary specialty in Prince Frederick, MD — not a recommendation.
Other clinicians in Calvert Internal Medicine Group, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2015 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316584733 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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