DR. MAZEN ROUMIA MD
NPI 1649405812
Internal Medicine - Interventional Cardiology in Scottsdale, AZ
About Dr. Mazen Roumia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAZEN ROUMIA MD (NPI 1649405812) is an individual interventional cardiology provider in Scottsdale, Arizona, licensed in Arizona (73153) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Scottsdale, and is a graduate of Other (2003).
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
Dr. Mazen Roumia 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 Mazen Roumia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85253
- Reassigned Medicare billing, Arizona enrollment
- 822 clinicians in this Medicare group
Scottsdale, AZ 85254
- Reassigned Medicare billing, Arizona enrollment
- 11 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 17
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 85253 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCOTTSDALE, AZ 85253
SCOTTSDALE, AZ 85253
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 Mazen Roumia's NPI number?
The NPI number for Mazen Roumia is 1649405812. It was assigned to this individual provider in the NPPES registry on May 18, 2009.
Where is Mazen Roumia located?
Mazen Roumia practices at 7373 N Scottsdale Rd Ste B120, Scottsdale, AZ 85253. The listed phone number is (480) 718-5072.
What is Mazen Roumia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Mazen Roumia enrolled in Medicare?
Yes. Mazen Roumia 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 Mazen Roumia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mazen Roumia reassigns Medicare benefits to 2 organizations: Honorhealth Ambulatory (Scottsdale, AZ) and Atria Heart PLLC (Scottsdale, AZ). 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 Mazen Roumia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mazen Roumia accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc and 2 other insurers list Mazen Roumia 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.
When was this NPI record last updated?
The NPPES record for Mazen Roumia was last updated on August 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.