DR. ROBERT JOHN MENTZ MD
NPI 1669670790
Internal Medicine - Cardiovascular Disease in Durham, NC
About Dr. Robert John Mentz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT JOHN MENTZ MD (NPI 1669670790) is an individual cardiovascular disease provider in Durham, North Carolina, licensed in North Carolina (2010-00626) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Emory University School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Robert John Mentz 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 Reassignment
Medicare enrollment records show Robert Mentz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Durham, NC 27710
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 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 4
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCNovant Health New Hanover Regional Medical Center
Acute Care Hospitals · Wilmington, NCDuke Regional Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 27710 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.
DURHAM, NC 27710
DURHAM, NC 27710
DURHAM, NC 27710
DURHAM, NC 27710
DURHAM, NC 27710
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 Mentz's NPI number?
The NPI number for Robert Mentz is 1669670790. It was assigned to this individual provider in the NPPES registry on July 10, 2007.
Where is Robert Mentz located?
Robert Mentz practices at 40 Duke Medicine Cir, Durham, NC 27710. The listed phone number is (919) 684-8111.
What is Robert Mentz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Robert Mentz enrolled in Medicare?
Yes. Robert Mentz 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 Robert Mentz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Mentz reassigns Medicare benefits to Duke Health Integrated Practice, Inc. (Durham, NC). 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 Mentz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Mentz accept?
Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee, Blue Cross and Blue Shield of NC and Cigna Healthcare list Robert Mentz 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 Robert Mentz affiliated with any hospitals?
According to CMS data, Robert Mentz is affiliated with Duke University Hospital, Novant Health New Hanover Regional Medical Center and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Robert Mentz was last updated on May 1, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Robert John Mentz, MD · NPI 1669670790
Cardiovascular Disease physician in Durham, North Carolina. Individual provider, active in the CMS NPPES registry since July 10, 2007.
## Identity
- **NPI:** 1669670790 (Entity type: Individual)
- **Enumerated:** July 10, 2007
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 2010-00626 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 40 DUKE MEDICINE CIR, Durham, NC 27710-4000
- **Phone:** (919) 684-8111
## 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:** Duke Health Integrated Practice, Inc. (NPI 1205553369, Durham, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** May 1, 2014
---
Source: [NPI Profile](https://npiprofile.com/npi/1669670790) · Data from the CMS NPPES public registry.