Quick answers
- Which hospitals does Gregg Koval work at?
- Medicare's official clinician data lists Gregg Koval at 5 hospitals: Emory Decatur Hospital, Emory Johns Creek Hospital, Emory University Hospital Midtown, Northside Hospital and Saint Joseph's Hospital of Atlanta, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregg Koval see patients?
- Medicare's clinician data lists 1 practice location in Atlanta, GA. Call before your visit to confirm the address.
- What is Gregg Koval's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gregg Koval accept Medicare assignment?
- Yes. Medicare's clinician data says Gregg Koval 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 Gregg Koval?
- (404) 256-0775, as listed in official Medicare / NPI Registry data.
- What is Gregg Koval's NPI number?
- 1659472363. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregg Koval works
Medicare's Facility Affiliation Data lists Gregg Koval at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emory Decatur HospitalDecatur, GA · Acute Care Hospital · CCN 110076
- Emory Johns Creek HospitalJohns Creek, GA · Acute Care Hospital · CCN 110230
- Emory University Hospital MidtownAtlanta, GA · Acute Care Hospital · CCN 110078
- Northside HospitalAtlanta, GA · Acute Care Hospital · CCN 110161
- Saint Joseph's Hospital of Atlanta, IncAtlanta, GA · Acute Care Hospital · CCN 110082
Practice locations
Addresses where Gregg Koval is enrolled with Medicare (CMS data updated 2026-10-02).
- 5667 Pchtrdnwdy, Suite 150Atlanta, GA 30342 (404) 256‑0775
Group practices
Medicare enrollment lists Gregg Koval as a member of this group (CMS data updated 2026-10-02).
- Center for Medicine Endocrinology and Diabetes LLC4 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Clinician information
| Medical school | Emory University School Of Medicine |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659472363 |
| 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