DR. ROBERT MERRELL MD
NPI 1699765586
Internal Medicine - Nephrology in Boulder City, NV
About Dr. Robert Merrell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT MERRELL MD (NPI 1699765586) is an individual nephrology provider in Boulder City, Nevada, licensed in Nevada (5932) and active in the NPI registry since October 2005.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Robert Merrell Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Merrell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Las Vegas, NV 89146
- Reassigned Medicare billing, Nevada enrollment
- 74 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
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.
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 Robert Merrell's NPI number?
The NPI number for Robert Merrell is 1699765586. It was assigned to this individual provider in the NPPES registry on October 24, 2005.
Where is Robert Merrell located?
Robert Merrell practices at 379 Avenue I, Boulder City, NV 89005. The listed phone number is (702) 592-6136.
What is Robert Merrell's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Robert Merrell enrolled in Medicare?
Yes. Robert Merrell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Merrell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Merrell reassigns Medicare benefits to Nephrology & Endocrine Associates Inc (Las Vegas, NV). 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 Robert Merrell'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 Robert Merrell was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.