Quick answers
- Which hospitals does Mark K. Koralewski work at?
- Medicare's official clinician data lists Mark K. Koralewski at 1 hospital: Northside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark K. Koralewski see patients?
- Medicare's clinician data lists 5 practice locations, including Atlanta, GA and Suwanee, GA. Call before your visit to confirm the address.
- What is Mark K. Koralewski's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark K. Koralewski accept Medicare assignment?
- Yes. Medicare's clinician data says Mark K. Koralewski 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 Mark K. Koralewski?
- (404) 252-9063, as listed in official Medicare / NPI Registry data.
- What is Mark K. Koralewski's NPI number?
- 1992720841. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark K. Koralewski works
Medicare's Facility Affiliation Data lists Mark K. Koralewski 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
Practice locations
Addresses where Mark K. Koralewski is enrolled with Medicare (CMS data updated 2026-10-02).
- 1110 W Peachtree St NE, Suite 1010Atlanta, GA 30309 (404) 252‑9063
- 1110 W Peachtree St NWAtlanta, GA 30309
- 3340 Paddock PkwySuwanee, GA 30024 (678) 679‑6210
- 3350 Paddocks PkwySuwanee, GA 30024 (678) 474‑9633
- 3380 Paddocks PkwySuwanee, GA 30024 (678) 474‑9633
Group practices
Medicare enrollment lists Mark K. Koralewski as a member of this group (CMS data updated 2026-10-02).
- Northside Primary Care Professional Services, LLC314 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992720841 |
| 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