Marcos Mills, MD
NPI 1003236332 · Pediatric Cardiology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcos Mills, MD is a Pediatric Cardiology Physician provider in Atlanta, GA (NPI 1003236332).
Provider details
- NPI number
- 1003236332
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-25
- Last updated
- 2021-09-07
- Certified
- 2021-09-07
Frequently asked questions
- What is Marcos Mills's NPI number?
- Marcos Mills's National Provider Identifier (NPI) is 1003236332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Mills's specialty?
- Marcos Mills is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcos Mills located?
- Marcos Mills's practice location on file with NPPES is 1405 Clifton Rd Ne, Atlanta, GA 30322-1601.
- What is Marcos Mills's phone number?
- The practice phone number listed in the NPPES registry for Marcos Mills is (404) 256-2593.
- Does Marcos Mills accept Medicare?
- Marcos Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcos Mills's NPI active?
- Yes — Marcos Mills's NPI (1003236332) is active in the NPPES registry as of the last update on 2021-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.