James Chatham, M.D.
NPI 1629130141 · Diagnostic Radiology Physician · Rockford, IL
Provider details
- NPI number
- 1629130141
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- TRN9159 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
967 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 433 | $35 |
| Screening 3d Breast Mammography77063 | 380 | $27 |
| Screening Mammography77067 | 32 | $35 |
| Mri Scan of Pelvis Before and After Contrast72197 | 26 | $278 |
| Ct Scan of Abdomen and Pelvis Before and After Contrast74178 | 25 | $289 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 16 | $27 |
| Diagnostic Mammography of 1 Breast |
Practice location
Mailing address
Additional practice locations (3)
- 5915 Riverview BlvdBradenton, FL 34209-1860Phone: (941) 730-0747
- 875 S Route 31Crystal Lake, IL 60014-8190Phone: (779) 220-5500
- 901 Grant StHarvard, IL 60033-1821Phone: (815) 943-5431
Registry dates
- Enumerated
- 2006-12-14
- Last updated
- 2025-07-10
- Certified
- 2025-06-26
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.