MELISSA MARIA ROSAS MD
NPI 1760844641
Internal Medicine - Critical Care Medicine in Nellis Afb, NV
About Melissa Maria Rosas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA MARIA ROSAS MD (NPI 1760844641) is an individual critical care medicine provider in Nellis Afb, Nevada, licensed in Nevada (22858) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with University Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 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
Melissa Maria Rosas Md 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 Rosas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Las Vegas, NV 89102
- Reassigned Medicare billing, Nevada enrollment
- 286 clinicians in this Medicare group
Henderson, NV 89052
- Reassigned Medicare billing, Nevada enrollment
- 143 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center
Acute Care Hospitals · Las Vegas, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89191 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
NELLIS AFB, NV 89191
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 Rosas's NPI number?
The NPI number for Melissa Rosas is 1760844641. It was assigned to this individual provider in the NPPES registry on March 22, 2016.
Where is Melissa Rosas located?
Melissa Rosas practices at 4700 Las Vegas Blvd N, Nellis Afb, NV 89191. The listed phone number is (702) 653-2273.
What is Melissa Rosas's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Melissa Rosas enrolled in Medicare?
Yes. Melissa Rosas 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 Rosas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Rosas reassigns Medicare benefits to 2 organizations: Unlv Medicine (Las Vegas, NV) and Dignity Health Medical Group Nevada, LLC (Henderson, NV). 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 Rosas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Rosas accept?
Health plans from Molina Healthcare list Melissa Rosas 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 Rosas affiliated with any hospitals?
According to CMS data, Melissa Rosas is affiliated with University Medical Center.
When was this NPI record last updated?
The NPPES record for Melissa Rosas was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.