Quick answers
- Which hospitals does James Chatham Jr work at?
- Medicare's official clinician data lists James Chatham Jr at 5 hospitals: Humboldt Park Health, Kittitas Valley Community Hospital, Lewis County General Hospital, McLaren Northern Michigan and Thorek Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Chatham Jr see patients?
- Medicare's clinician data lists 15 practice locations, including Harvard, IL, Chicago, IL and Lakewood Ranch, FL. Call before your visit to confirm the address.
- What is James Chatham Jr's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does James Chatham Jr accept Medicare assignment?
- Yes. Medicare's clinician data says James Chatham Jr 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 James Chatham Jr?
- (815) 943-8090, as listed in official Medicare / NPI Registry data.
- What is James Chatham Jr's NPI number?
- 1629130141. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Chatham Jr works
Medicare's Facility Affiliation Data lists James Chatham Jr at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Humboldt Park HealthChicago, IL · Acute Care Hospital · CCN 140206
- Kittitas Valley Community HospitalEllensburg, WA · Critical Access Hospital · CCN 501333
- Lewis County General HospitalLowville, NY · Critical Access Hospital · CCN 331317
- McLaren Northern MichiganPetoskey, MI · Acute Care Hospital · CCN 230105
- Thorek Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140115
Practice locations
Addresses where James Chatham Jr is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 1001 Grant StHarvard, IL 60033 (815) 943‑8090
- 1044 N Francisco AveChicago, IL 60622 (773) 292‑8227
- 10910 State Rd 70 E, 103 Simonmed Imaging Lakewood RanchLakewood Ranch, FL 34202 (941) 954‑1900
- 208 W Oak St, Simonmed Imaging KissimmeeKissimmee, FL 34741 (407) 846‑8700
- 2350 N Rockton AveRockford, IL 61103 (815) 971‑2000
Group practices
Medicare enrollment lists James Chatham Jr as a member of these groups (CMS data updated 2026-10-02).
- Mercy Health System Corporation753 clinicians in the group
- Rockford Health Physicians521 clinicians in the group
- Simonmed Imaging Florida LLC317 clinicians in the group
- Humboldt Park Health110 clinicians in the group
- Pco PC82 clinicians in the group
- On-Line Radiology Medical Group Inc59 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Florida College Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629130141 |
| 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