MS. MARISSA ANNE SCIALPI MSN-WHNP
NPI 1669252599
Nurse Practitioner - Women's Health in Westbury, NY
About Ms. Marissa Anne Scialpi Msn-whnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARISSA ANNE SCIALPI MSN-WHNP (NPI 1669252599) is an individual women's health provider in Westbury, New York, licensed in New York (421667) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Marissa Anne Scialpi Msn-whnp 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 Reassignment
Medicare enrollment records show Marissa Scialpi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Westbury, NY 11590
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mayer J Saad MD PC
- 43 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11590 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Marissa Scialpi's NPI number?
The NPI number for Marissa Scialpi is 1669252599. It was assigned to this individual provider in the NPPES registry on September 28, 2023.
Where is Marissa Scialpi located?
Marissa Scialpi practices at 372 Post Ave, Westbury, NY 11590. The listed phone number is (516) 333-1444.
What is Marissa Scialpi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Marissa Scialpi enrolled in Medicare?
Yes. Marissa Scialpi 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 organization bills Medicare for Marissa Scialpi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Scialpi reassigns Medicare benefits to Mayer J. Saad MD P.C. (Westbury, NY). The 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 Marissa Scialpi'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 Marissa Scialpi was last updated on September 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ms. Marissa Anne Scialpi, MSN-WHNP · NPI 1669252599
Women's Health physician in Westbury, New York. Individual provider, active in the CMS NPPES registry since September 28, 2023.
## Identity
- **NPI:** 1669252599 (Entity type: Individual)
- **Enumerated:** September 28, 2023
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 421667 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 372 POST AVE, Westbury, NY 11590-2201
- **Phone:** (516) 333-1444
## 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:** Mayer J. Saad MD P.C. (NPI 1033468509, Westbury, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1669252599) · Data from the CMS NPPES public registry.