MR. MARCOS FRANCISCO MILLS MD
NPI 1003236332
Pediatrics - Pediatric Cardiology in Atlanta, GA
About Mr. Marcos Francisco Mills Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARCOS FRANCISCO MILLS MD (NPI 1003236332) is an individual pediatric cardiology provider in Atlanta, Georgia, licensed in Georgia (88022) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS.
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 (PECOS)
Mr. Marcos Francisco Mills Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marcos Mills reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Atlanta, GA 30341
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Children's Healthcare Of Atlanta Cardiology Inc
- 66 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.
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.
ATLANTA, GA 30322
ATLANTA, GA 30322
ATLANTA, GA 30322
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 Marcos Mills's NPI number?
The NPI number for Marcos Mills is 1003236332. It was assigned to this individual provider in the NPPES registry on April 25, 2014.
Where is Marcos Mills located?
Marcos Mills practices at 1405 Clifton Rd NE, Atlanta, GA 30322. The listed phone number is (404) 256-2593.
What is Marcos Mills's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Marcos Mills enrolled in Medicare?
Yes. Marcos Mills is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marcos Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcos Mills reassigns Medicare benefits to Childrens Healthcare Of Atlanta Cardiology Inc (Atlanta, GA). 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 Marcos Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marcos Mills accept?
Health plans from Alliant Health Plans, Inc. list Marcos Mills 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 Marcos Mills was last updated on September 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.