Quick answers
- Does Rosemarie A. Montecalvo accept Medicare assignment?
- Yes. Medicare's clinician data says Rosemarie A. Montecalvo 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 Rosemarie A. Montecalvo's NPI number?
- 1235692559. 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 Rosemarie A. Montecalvo is enrolled with Medicare (CMS data updated October 2, 2026).
- 169 Putnam Hall, South CampusStony Brook, NY 11794 (631) 632‑8850
- 201 Manor PlGreenport, NY 11944 (631) 477‑1000
Group practices
Medicare enrollment lists Rosemarie A. Montecalvo as a member of this group (CMS data updated October 2, 2026).
- Stony Brook Psychiatric Associates University Faculty Practice Corpor104 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Stony Brook
Clinicians with the same Medicare primary specialty in Stony Brook, NY — not a recommendation.
Other clinicians in Stony Brook Psychiatric Associates University Faculty Practice Corpor
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235692559 |
| 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