Quick answers
- Does Joseph Williams Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph Williams Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Joseph Williams Iii see?
- In 2024, CMS data shows 3,835 Original Medicare patients and 5,384 services for Joseph Williams Iii. This counts Original Medicare only and measures volume, not quality.
- What is Joseph Williams Iii's NPI number?
- 1053384644. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Joseph Williams Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 3,835 |
|---|---|
| Services billed to Medicare | 5,384 |
| Different services or procedures | 125 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- X-ray of chest, 1 view (71045)1,052 services
- Ct scan of abdomen and pelvis with contrast (74177)477 services
- X-ray of chest, 2 views (71046)347 services
- Ct scan of chest without contrast (71250)329 services
- Ct scan head or brain without contrast (70450)283 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease41%
- Diabetes37%
- Chronic kidney disease37%
Hospitals where Joseph Williams Iii works
Medicare's Facility Affiliation Data lists Joseph Williams Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Aurelia Osborn Fox Memorial HospitalOneonta, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330085
- Bassett HealthcareCooperstown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330136
- Cobleskill Regional HospitalCobleskill, NY · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 331320
- Donalsonville Hospital IncDonalsonville, GA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 110194
- University Hospital S U N y Health Science CenterSyracuse, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330241
Practice locations
Addresses where Joseph Williams Iii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1000 Johnson Ferry RdAtlanta, GA 30342 · Northside Radiology Associates LLC (404) 662‑2438
- 1000 Johnson Ferry Rd NEAtlanta, GA 30342 · Northside Radiology Associates LLC (404) 662‑2438
- 1622 Richmond Dr NEBrookhaven, GA 30319 · United Memorial Medical Center (585) 343‑6030
- 1900 Tebeau StWaycross, GA 31501 (904) 399‑5550
- 20 Hartford StHoulton, ME 04730 · Houlton Regional Hospital
Group practices
Medicare enrollment lists Joseph Williams Iii as a member of these groups (CMS data updated October 2, 2026).
- Geisinger Clinic3,467 clinicians in the group
- Mori Bean and Brooks Inc977 clinicians in the group
- Mary Imogene Bassett Hospital763 clinicians in the group
- The Unity Hospital of Rochester736 clinicians in the group
- Radiology Alliance PC455 clinicians in the group
- Geisinger-Hm Joint Venture LLC422 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Other clinicians in Geisinger Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053384644 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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