Quick answers
- Does Maria R. Rios accept Medicare assignment?
- Yes. Medicare's clinician data says Maria R. Rios 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 Maria R. Rios's NPI number?
- 1871600288. 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 Maria R. Rios is enrolled with Medicare (CMS data updated October 2, 2026).
- 1425 University Blvd E, Suite 245Hyattsville, MD 20783 (240) 752‑2767
- 268 Stillwater AveBangor, ME 04401 (207) 973‑6100
Group practices
Medicare enrollment lists Maria R. Rios as a member of these groups (CMS data updated October 2, 2026).
- Acadia Hospital Corp.85 clinicians in the group
- Synergy Family Services Inc4 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Other clinicians in Acadia Hospital Corp.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871600288 |
| 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