Quick answers
- Which hospitals does Janssen Williams work at?
- Medicare's official clinician data lists Janssen Williams at 3 hospitals: Atrium Health Navicent Peach, Atrium Health Navicent the Medical Center and Emory Houston Hospital Warner Robins. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Janssen Williams see patients?
- Medicare's clinician data lists 1 practice location in Macon, GA. Call before your visit to confirm the address.
- What is Janssen Williams's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Janssen Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Janssen Williams 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 Janssen Williams?
- (478) 741-7241, as listed in official Medicare / NPI Registry data.
- What is Janssen Williams's NPI number?
- 1568548790. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Janssen Williams works
Medicare's Facility Affiliation Data lists Janssen Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Atrium Health Navicent PeachByron, GA · Critical Access Hospital · CCN 111310
- Atrium Health Navicent the Medical CenterMacon, GA · Acute Care Hospital · CCN 110107
- Emory Houston Hospital Warner RobinsWarner Robins, GA · Acute Care Hospital · CCN 110069
Practice locations
Addresses where Janssen Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 657 Hemlock St, Suite 220Macon, GA 31201 (478) 741‑7241
Group practices
Medicare enrollment lists Janssen Williams as a member of this group (CMS data updated 2026-10-02).
- Magna Care Medical Specialists LLC6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Macon
Clinicians with the same Medicare primary specialty in Macon, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568548790 |
| 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