DR. ROSEMARIE ANNE MONTECALVO DO
NPI 1235692559
Psychiatry & Neurology - Child & Adolescent Psychiatry in Stony Brook, NY
About Dr. Rosemarie Anne Montecalvo Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROSEMARIE ANNE MONTECALVO DO (NPI 1235692559) is an individual child & adolescent psychiatry provider in Stony Brook, New York, licensed in New York (325721) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Rosemarie Anne Montecalvo Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Rosemarie Montecalvo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 133 clinicians in this Medicare group
Port Jefferson, NY 11777
- Reassigned Medicare billing, New York enrollment
- 232 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STONY BROOK, NY 11794
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rosemarie Montecalvo's NPI number?
The NPI number for Rosemarie Montecalvo is 1235692559. It was assigned to this individual provider in the NPPES registry on April 12, 2019.
Where is Rosemarie Montecalvo located?
Rosemarie Montecalvo practices at Putnam Hall, Stony Brook, NY 11794. The listed phone number is (631) 632-2428.
What is Rosemarie Montecalvo's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Rosemarie Montecalvo enrolled in Medicare?
Yes. Rosemarie Montecalvo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rosemarie Montecalvo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosemarie Montecalvo reassigns Medicare benefits to 2 organizations: Stony Brook Psychiatric Associates, University Faculty Practice Corpor (Stony Brook, NY) and John T. Mather Memorial Hospital (Port Jefferson, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rosemarie Montecalvo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rosemarie Montecalvo accept?
Health plans from Oscar Health list Rosemarie Montecalvo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Rosemarie Montecalvo was last updated on August 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Rosemarie Anne Montecalvo, DO · NPI 1235692559
Child & Adolescent Psychiatry physician in Stony Brook, New York. Individual provider, active in the CMS NPPES registry since April 12, 2019.
## Identity
- **NPI:** 1235692559 (Entity type: Individual)
- **Enumerated:** April 12, 2019
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** 325721 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** PUTNAM HALL, Stony Brook, NY 11794-0001
- **Phone:** (631) 632-2428
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Stony Brook Psychiatric Associates, University Faculty Practice Corpor (NPI 1437105905, Stony Brook, NY); John T. Mather Memorial Hospital (NPI 1285920231, Port Jefferson, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1235692559) · Data from the CMS NPPES public registry.