Quick answers
- Which hospitals does Marcus L. Brown work at?
- Medicare's official clinician data lists Marcus L. Brown at 4 hospitals: Northside Hospital, Northside Hospital Cherokee, Northside Hospital Forsyth and Northside Hospital Gwinnett. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marcus L. Brown see patients?
- Medicare's clinician data lists 1 practice location in Atlanta, GA. Call before your visit to confirm the address.
- What is Marcus L. Brown's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does Marcus L. Brown accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus L. Brown accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Marcus L. Brown?
- (404) 256-2525, as listed in official Medicare / NPI Registry data.
- What is Marcus L. Brown's NPI number?
- 1437198603. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marcus L. Brown works
Medicare's Facility Affiliation Data lists Marcus L. Brown at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northside HospitalAtlanta, GA · Acute Care Hospital · CCN 110161
- Northside Hospital CherokeeCanton, GA · Acute Care Hospital · CCN 110008
- Northside Hospital ForsythCumming, GA · Acute Care Hospital · CCN 110005
- Northside Hospital GwinnettLawrenceville, GA · Acute Care Hospital · CCN 110087
Practice locations
Addresses where Marcus L. Brown is enrolled with Medicare (CMS data updated 2026-10-02).
- 5670 Peachtree Dunwoody Rd, Suite 880Atlanta, GA 30342 (404) 256‑2525
Group practices
Medicare enrollment lists Marcus L. Brown as a member of this group (CMS data updated 2026-10-02).
- Northside Cardiovascular Professional Services, LLC173 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437198603 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians