DR. ROBERT MATTHEW CARROLL M.D.
NPI 1295875854
Internal Medicine - Hematology & Oncology in Newport Beach, CA
About Dr. Robert Matthew Carroll M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT MATTHEW CARROLL M.D. (NPI 1295875854) is an individual hematology & oncology provider in Newport Beach, California, licensed in California (A69851) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Dr. Robert Matthew Carroll M.d. 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
3Medicare enrollment records show Robert Carroll reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Costa Mesa, CA 92627
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: University Of California Irvine
- 255 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 529 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 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 6
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 92660 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.
Referred Medical Equipment & Supplies CMS DME claims 4
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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWPORT BEACH, CA 92660
NEWPORT BEACH, CA 92660
NEWPORT BEACH, CA 92660
NEWPORT BEACH, CA 92660
NEWPORT BEACH, CA 92660
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 Carroll's NPI number?
The NPI number for Robert Carroll is 1295875854. It was assigned to this individual provider in the NPPES registry on February 6, 2007.
Where is Robert Carroll located?
Robert Carroll practices at 20162 SW Birch St Suite 200, Newport Beach, CA 92660. The listed phone number is (949) 553-3330.
What is Robert Carroll's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Robert Carroll enrolled in Medicare?
Yes. Robert Carroll 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 Robert Carroll's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Carroll reassigns Medicare benefits to 3 organizations: Uc Irvine Health Cancer Center, Newport Pacific Medical Center (Costa Mesa, CA), Hoag Clinic (Newport Beach, CA) and Uc Regents (Orange, CA). 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 Robert Carroll'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 Carroll was last updated on May 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.