Quick answers
- Does Marianne M. Winter Long accept Medicare assignment?
- Yes. Medicare's clinician data says Marianne M. Winter Long 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 Marianne M. Winter Long's NPI number?
- 1093852881. 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 Marianne M. Winter Long is enrolled with Medicare (CMS data updated October 2, 2026).
- 31815 Southfield Rd, Suite 18Beverly Hills, MI 48025 (248) 480‑0115
Group practices
Medicare enrollment lists Marianne M. Winter Long as a member of this group (CMS data updated October 2, 2026).
- Mas Counseling Services PLLC4 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Beverly Hills
Clinicians with the same Medicare primary specialty in Beverly Hills, MI — not a recommendation.
Other clinicians in Mas Counseling Services PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| School | Wayne State University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093852881 |
| 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