Quick answers
- Which hospitals does Frederick Oni work at?
- Medicare's official clinician data lists Frederick Oni at 1 hospital: Emory Houston Hospital Warner Robins. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick Oni see patients?
- Medicare's clinician data lists 1 practice location in Atlanta, GA. Call before your visit to confirm the address.
- What is Frederick Oni's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Frederick Oni accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick Oni 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 Frederick Oni?
- (404) 778-3900, as listed in official Medicare / NPI Registry data.
- What is Frederick Oni's NPI number?
- 1174553226. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick Oni works
Medicare's Facility Affiliation Data lists Frederick Oni at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emory Houston Hospital Warner RobinsWarner Robins, GA · Acute Care Hospital · CCN 110069
Practice locations
Addresses where Frederick Oni is enrolled with Medicare (CMS data updated 2026-10-02).
- 1364 Clifton Rd NEAtlanta, GA 30322 (404) 778‑3900
Group practices
Medicare enrollment lists Frederick Oni as a member of this group (CMS data updated 2026-10-02).
- Emory Specialty Associates, LLC726 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174553226 |
| 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