ROSA CASAMASSA FNP-C
NPI 1659956035
Nurse Practitioner - Family in North Babylon, NY
About Rosa Casamassa Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSA CASAMASSA FNP-C (NPI 1659956035) is an individual family provider in North Babylon, New York, licensed in New York (346405) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mineola, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Rosa Casamassa Fnp-c 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
4Medicare enrollment records show Rosa Casamassa reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
North Babylon, NY 11703
- Reassigned Medicare billing, New York enrollment
- 40 clinicians in this Medicare group
Woodbury, NY 11797
- Reassigned Medicare billing, New York enrollment
- 80 clinicians in this Medicare group
Woodmere, NY 11598
- Reassigned Medicare billing, New York enrollment
- 3 clinicians in this Medicare group
Columbia, MD 21045
- Reassigned Medicare billing, New York enrollment
- 27 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORTH BABYLON, NY 11703
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 Rosa Casamassa's NPI number?
The NPI number for Rosa Casamassa is 1659956035. It was assigned to this individual provider in the NPPES registry on March 16, 2021.
Where is Rosa Casamassa located?
Rosa Casamassa practices at 1231 Deer Park Ave, North Babylon, NY 11703. The listed phone number is (631) 667-0388.
What is Rosa Casamassa's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Rosa Casamassa enrolled in Medicare?
Yes. Rosa Casamassa 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 Rosa Casamassa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosa Casamassa reassigns Medicare benefits to 4 organizations: Long Island Comprehensive Medical Care PLLC (North Babylon, NY), Square Care Medical Group, LLP (Woodbury, NY), Upstate Urgent Care PLLC (Woodmere, NY) and Provider Partners Care Management LP (Columbia, MD). 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 Rosa Casamassa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Rosa Casamassa was last updated on June 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Rosa Casamassa, FNP-C · NPI 1659956035
Family physician in North Babylon, New York. Individual provider, active in the CMS NPPES registry since March 16, 2021.
## Identity
- **NPI:** 1659956035 (Entity type: Individual)
- **Enumerated:** March 16, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 346405 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1231 DEER PARK AVE, North Babylon, NY 11703-3104
- **Phone:** (631) 667-0388 · **Fax:** (631) 968-7705
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Long Island Comprehensive Medical Care PLLC (NPI 1043588536, North Babylon, NY); Square Care Medical Group, LLP (NPI 1457392763, Woodbury, NY); Upstate Urgent Care PLLC (NPI 1174194856, Woodmere, NY); Provider Partners Care Management LP (NPI 1013348028, Columbia, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1659956035) · Data from the CMS NPPES public registry.