MELISSA B ROSARIO MSN, APRN, AGNP-C
NPI 1871252387
Nurse Practitioner - Gerontology in Paramus, NJ
About Melissa B Rosario Msn, Aprn, Agnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA B ROSARIO MSN, APRN, AGNP-C (NPI 1871252387) is an individual gerontology provider in Paramus, New Jersey, licensed in New Jersey (26NJ01241900) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS, is affiliated with Valley Hospital, and maintains a secondary practice location in Morristown.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Melissa B Rosario Msn, Aprn, Agnp-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
2Medicare enrollment records show Melissa Rosario reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Paramus, NJ 07652
- Reassigned Medicare billing, New Jersey enrollment
- 833 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Hospital
Acute Care Hospitals · Paramus, NJMorristown Medical Center
Acute Care Hospitals · Morristown, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07652 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.
PARAMUS, NJ 07652
PARAMUS, NJ 07652
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 Melissa Rosario's NPI number?
The NPI number for Melissa Rosario is 1871252387. It was assigned to this individual provider in the NPPES registry on December 12, 2021.
Where is Melissa Rosario located?
Melissa Rosario practices at 4 Valley Health Plz, Paramus, NJ 07652. The listed phone number is (201) 447-8000.
What is Melissa Rosario's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Melissa Rosario enrolled in Medicare?
Yes. Melissa Rosario 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 Melissa Rosario's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Rosario reassigns Medicare benefits to 2 organizations: Valley Physician Services PC (Paramus, NJ) and Practice Associates Medical Group (Morristown, NJ). 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 Melissa Rosario's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Rosario accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Melissa Rosario 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.
Is Melissa Rosario affiliated with any hospitals?
According to CMS data, Melissa Rosario is affiliated with Valley Hospital and Morristown Medical Center.
When was this NPI record last updated?
The NPPES record for Melissa Rosario was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.
# Melissa B Rosario, MSN, APRN, AGNP-C · NPI 1871252387
Gerontology physician in Paramus, New Jersey. Individual provider, active in the CMS NPPES registry since December 12, 2021.
## Identity
- **NPI:** 1871252387 (Entity type: Individual)
- **Enumerated:** December 12, 2021
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 26NJ01241900 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 4 VALLEY HEALTH PLZ, Paramus, NJ 07652-3619
- **Phone:** (201) 447-8000
## 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): Valley Physician Services PC (NPI 1467815928, Paramus, NJ); Practice Associates Medical Group (NPI 1427016385, Morristown, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 13, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1871252387) · Data from the CMS NPPES public registry.