Quick answers
- Which hospitals does Joseph A. Mareno work at?
- Medicare's official clinician data lists Joseph A. Mareno at 1 hospital: Piedmont Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph A. Mareno see patients?
- Medicare's clinician data lists 1 practice location in Atlanta, GA. Call before your visit to confirm the address.
- What is Joseph A. Mareno's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty.
- Does Joseph A. Mareno accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph A. Mareno 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 Joseph A. Mareno's NPI number?
- 1265687479. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph A. Mareno works
Medicare's Facility Affiliation Data lists Joseph A. Mareno at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Piedmont Hospital, IncAtlanta, GA · Acute Care Hospital · CCN 110083
Practice locations
Addresses where Joseph A. Mareno is enrolled with Medicare (CMS data updated 2026-10-02).
- 95 Collier Rd NW, Suite 4025Atlanta, GA 30309
Group practices
Medicare enrollment lists Joseph A. Mareno as a member of this group (CMS data updated 2026-10-02).
- Atl Colorectal Surgery5 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Georgia →
Other colorectal surgeons in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265687479 |
| 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