Quick answers
- Does Marvanisha Y. Washington accept Medicare assignment?
- Yes. Medicare's clinician data says Marvanisha Y. 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 Marvanisha Y. Washington's NPI number?
- 1942821418. 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 Marvanisha Y. Washington is enrolled with Medicare (CMS data updated October 2, 2026).
- 11340 Lakefield Dr, Suite 200Johns Creek, GA 30097 (888) 515‑3834
- 4864 Jimmy Carter Blvd, Suite 205Norcross, GA 30093 (770) 676‑5763
Group practices
Medicare enrollment lists Marvanisha Y. Washington as a member of these groups (CMS data updated October 2, 2026).
- Christopher Dennis MD PLLC72 clinicians in the group
- Pinnacle Behavioral Health4 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Johns Creek
Clinicians with the same Medicare primary specialty in Johns Creek, GA — not a recommendation.
Other clinicians in Christopher Dennis MD PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942821418 |
| 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