James Chatham Jr., M.D.

Individual provider Active NPI Diagnostic Radiology Physician · Rockford, IL

NPI 1629130141 · NPPES record last updated Jul 10, 2025

Key facts

NPI
1629130141
Entity type
Individual (NPI type 1)
Primary specialty
Diagnostic Radiology Physician 2085R0202X
License
ME104326 (FL)
Practice address
8201 E Riverside Blvd
Rockford, IL 61114-2300
Phone
(815) 971-7000
NPI assigned
Dec 14, 2006
Sex
Male
Sole proprietor
No

Organizations & group practices 65

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 65

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Diagnostic Radiology
Education
University of Florida College of Medicine, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Humboldt Park Health (106 clinicians)
Simonmed Imaging Florida LLC (302 clinicians)
Rockford Health Physicians (520 clinicians)
On-Line Radiology Medical Group Inc (66 clinicians)
Pco PC (82 clinicians)
Thorek Radiology Group NFP (41 clinicians)
Mercy Health System Corporation (749 clinicians)

Practice addresses (Care Compare)

1044 N Francisco Ave
Chicago, IL 60622-2743
Phone (773) 292-8227

10910 State Rd 70 E
103 Simonmed Imaging Lakewood Ranch
Lakewood Ranch, FL 34202-8406
Phone (941) 954-1900

208 W Oak St
Simonmed Imaging Kissimmee
Kissimmee, FL 34741-4420
Phone (407) 846-8700

2350 N Rockton Ave
Rockford, IL 61103-3600
Phone (815) 971-2000

28 S Gordon Rd
Ft Lauderdale, FL 33301-3738
Phone (773) 292-8200

4161 Tamiami TRL
BLDG 2
Port Charlotte, FL 33952-9204
Phone (941) 235-3280

5831 Bee Ridge Rd
Suite 102
Sarasota, FL 34233-5089
Phone (941) 954-1900

5915 Riverview Blvd
Bradenton, FL 34209-1860
Phone (941) 730-0747

6215 21St Ave W a
Simonmed Imaging Park South
Bradenton, FL 34209-7819
Phone (941) 795-4449

6250 Lake Osprey Dr
Suite 100
Lakewood Ranch, FL 34240-8423
Phone (941) 957-9340

6302 Manatee Ave W B Ofc
5 Chatham Enterprises
Bradenton, FL 34209-2355
Phone (941) 730-0747

850 W Irving Park Rd
Chicago, IL 60613-3077
Phone (773) 975-6722

875 S Route 31
Crystal Lake, IL 60014-8190
Phone (779) 220-5500

Hospital & facility affiliations

  • McLaren Northern Michigan Hospital · Petoskey, MI · CCN 230105
  • Thorek Memorial Hospital Hospital · Chicago, IL · CCN 140115
  • Humboldt Park Health Hospital · Chicago, IL · CCN 140206
  • Kittitas Valley Community Hospital Hospital · Ellensburg, WA · CCN 501333
  • Lewis County General Hospital Hospital · Lowville, NY · CCN 331317

Medicare participation

Medicare fee-for-service enrollment
Enrolled (5 enrollments) in FL, NY, TX, CA, IL
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20090710000571 FL Practitioner - Diagnostic Radiology 6002968773 Reassigns benefits to 15 organizations
I20200817003320 NY Practitioner - Diagnostic Radiology 6002968773 Reassigns benefits to 2 organizations
I20210127000311 TX Practitioner - Diagnostic Radiology 6002968773 Reassigns benefits to 4 organizations
I20210222000892 CA Practitioner - Diagnostic Radiology 6002968773 Reassigns benefits to 3 organizations
I20230711003323 IL Practitioner - Diagnostic Radiology 6002968773 Reassigns benefits to 5 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
ME104326FLMDDiagnostic Radiology Physician
TRN9159FLMDDiagnostic Radiology Physician

Practice roles (49 of 51)

OrganizationSpecialtyStatusNew patients
Mercy Harvard Hospital Inc Current
since Dec 1, 2025
Accepting new patients
Dhew Ind HLTH SV HLTH SVS & MNTL HLTH Adm Current
since Jan 15, 2021
Accepting new patients
Radiology Physician Solutions of West Florida, LLC Diagnostic Radiology Current
since Apr 21, 2018
Accepting new patients
Faculty Physicians and Surgeons of Llusm Diagnostic Radiology Current
since Feb 16, 2021
Accepting new patients
DHHS, PHS, Naihs, Shiprock Hospital Current
since May 1, 2021
Accepting new patients
Howard John Simon MD PC Diagnostic Radiology Current
since May 1, 2022
Accepting new patients
Pco PC Diagnostic Radiology Current
since Jan 1, 2020
Accepting new patients
Steward Medical Group, Inc Current
since May 13, 2019
Accepting new patients
Florida Medical Specialists LLC Current
since Mar 10, 2019
Accepting new patients
DHHS,PHS,Naihs, Gallup Indian Medical Center Current
since Dec 12, 2020
Accepting new patients
Faculty Physicians and Surgeons of Llusm Current Accepting new patients
Steward Medical Group, Inc Current
since May 13, 2019
Accepting new patients
Brookdale Hospital Medical Center Current
since Jul 1, 2020
Accepting new patients
Southern Humboldt Community Healthcare District Current
since Apr 17, 2023
Accepting new patients
Mercy Health System Corporation Current
since Jun 18, 2025
Accepting new patients
Thorek Radiology Group NFP Diagnostic Radiology Current
since Sep 12, 2023
Accepting new patients
Health Diagnostics of California a Professional Corporation Diagnostic Radiology Current
since May 1, 2022
Accepting new patients
Simonmed Imaging Florida LLC Diagnostic Radiology Current
since May 1, 2022
Accepting new patients
Rockford Health Physicians Current
since Jun 18, 2025
Accepting new patients
Mercy Harvard Hospital Inc Current
since Dec 1, 2025
Accepting new patients
Radiology Physician Solutions of West Florida, LLC Diagnostic Radiology Current
since Apr 21, 2018
Accepting new patients
Southern Humboldt Community Healthcare District Current
since Apr 17, 2023
Accepting new patients
Howard Simon MD PLLC Diagnostic Radiology Current
since May 2, 2023
Accepting new patients
Florida Medical Specialists LLC Diagnostic Radiology Current
since Mar 10, 2019
Accepting new patients
Faculty Physicians and Surgeons of Llusm Current
since Feb 16, 2021
Accepting new patients
Dhew Ind HLTH SV HLTH SVS & MNTL HLTH Adm Current
since Jan 15, 2021
Accepting new patients
American Imaging of Southwest Florida,Inc Diagnostic Radiology Current
since Oct 1, 2019
Accepting new patients
Humboldt Park Health Current
since Jun 15, 2023
Accepting new patients
DHHS, PHS, Naihs, Shiprock Hospital Current
since May 1, 2021
Accepting new patients
The Brookdale Hospital Medical Center Current
since Jul 1, 2020
Accepting new patients
Florida Medical Specialists LLC Current Accepting new patients
DHHS, PHS, Naihs, Shiprock Hospital Current Accepting new patients
Central Valley Community Medical Imaging Diagnostic Radiology Current
since Jan 5, 2021
Accepting new patients
Brookdale Family Care Center, Inc. Current
since Jul 1, 2020
Accepting new patients
Southern Humboldt Community Healthcare District Current
since Dec 1, 2025
Accepting new patients
Mercy Health System Corporation Current
since Jun 18, 2025
Accepting new patients
Smi Imaging, LLC Diagnostic Radiology Current
since May 1, 2022
Accepting new patients
Simonmed Imaging Florida LLC Diagnostic Radiology Current
since May 1, 2022
Accepting new patients
Manatee Memorial Hospital L P Current
since Jun 18, 2017
Accepting new patients
Sheridan Radiology Services of Pinellas, Inc. Diagnostic Radiology Current Accepting new patients
Brookdale Family Care Center, Inc. Current
since Jul 1, 2020
Accepting new patients
Manatee Memorial Hospital L P Current
since Jun 18, 2017
Accepting new patients
DHHS PHS Naihs Chinle Comprehensive Health Care Facility Current
since Mar 2, 2023
Accepting new patients
Thorek Memorial Hospital Current Accepting new patients
On-Line Radiology Medical Group Inc Diagnostic Radiology Current
since Nov 18, 2019
Accepting new patients
Health Diagnostics of California LLC Diagnostic Radiology Past Accepting new patients
Steward Radiology Physicians of Pennsylvania Inc Diagnostic Radiology Past Accepting new patients
Stewart and Stewart a Medical Corporation Past Accepting new patients
Mercy Crystal Lake Hospital and Medical Center Inc Past Accepting new patients

Locations (25 of 51)

20414 N 27th Ave
Ste 150
Phoenix, AZ 85027
Phone (623) 234-2520

4212 N 16th St
Phoenix, AZ 85016
Phone (602) 248-4187

7304 E Deer Valley Rd
Ste 105
Scottsdale, AZ 85255
Phone (480) 264-2400

81 Highland Springs Ave
Ste 103
Beaumont, CA 92223
Phone (909) 558-2830

455 Hickey Blvd
Ste 200
Daly City, CA 94015
Phone (650) 757-2030

1867 E Fir Ave
Ste 104
Fresno, CA 93720
Phone (559) 325-5800

733 Cedar St
Garberville, CA 95542
Phone (707) 923-3921

509 Elm St
Garberville, CA 95542
Phone (707) 463-2400

25455 Barton Rd
Ste 108A
Loma Linda, CA 92354
Phone (909) 558-1617

11370 Anderson St
#B100
Loma Linda, CA 92354
Phone (909) 558-2848

25455 Barton Rd
Loma Linda, CA 92354
Phone (909) 558-2808

File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300

3762 Tibbetts St
Riverside, CA 92506
Phone (951) 686-2224

300 Riverside Dr E
Ste 1400
Bradenton, FL 34208
Phone (941) 749-0660

6302 Manatee Ave W
Ste B
Bradenton, FL 34209
Phone (941) 730-0747

206 2nd St E
Bradenton, FL 34208
Phone (941) 745-7202

3649 Cortez Rd W
Bradenton, FL 34210
Phone (941) 744-9000

119 Oakfield Dr
Brandon, FL 33511
Phone (813) 571-5150

502 W Highland Blvd
Inverness, FL 34452
Phone (352) 344-6481

208 W Oak St
Kissimmee, FL 34741
Phone (407) 788-2888

700 W Oak St
Kissimmee, FL 34741
Phone (407) 518-3553

8330 Lakewood Ranch Blvd
Lakewood Ranch, FL 34202
Phone (941) 666-8757

250 N Wickham Rd
Melbourne, FL 32935
Phone (321) 637-2600

6000 Turkey Lake Rd
Ste 10
Orlando, FL 32819
Phone (407) 514-1840

23081 Harborview Rd
Punta Gorda, FL 33980
Phone (941) 235-8762

Networks

  • Freedom Health HMO Network
  • Optimum HealthCare HMO Network

Interoperability endpoints

  • Direct secure messaging: jchatham274372@mhsdirect.net

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X TRN9159 FL
Diagnostic Radiology Physician 2085R0202X ME104326 FL Yes

Addresses

Primary practice location

8201 E Riverside Blvd
Rockford, IL 61114-2300

Mailing address

29624 Network PL
Chicago, IL 60673-1296
Phone (608) 756-6278

Other practice location 1

875 S Route 31
Crystal Lake, IL 60014-8190
Phone (779) 220-5500

Other practice location 2

901 Grant St
Harvard, IL 60033-1821
Phone (815) 943-5431

Other practice location 3

5915 Riverview Blvd
Bradenton, FL 34209-1860
Phone (941) 730-0747

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Jul 10, 2025.

{
    "created_epoch": "1166054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752105600000",
    "number": "1629130141",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29624 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731296",
            "telephone_number": "608-756-6278"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8201 E RIVERSIDE BLVD",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611142300",
            "telephone_number": "815-971-7000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "875 S Route 31",
            "address_purpose": "LOCATION",
            "city": "Crystal Lake",
            "state": "IL",
            "postal_code": "600148190",
            "country_code": "US",
            "telephone_number": "779-220-5500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "901 Grant St",
            "address_purpose": "LOCATION",
            "city": "Harvard",
            "state": "IL",
            "postal_code": "600331821",
            "country_code": "US",
            "telephone_number": "815-943-5431",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5915 Riverview Blvd",
            "address_purpose": "LOCATION",
            "city": "Bradenton",
            "state": "FL",
            "postal_code": "342091860",
            "country_code": "US",
            "telephone_number": "941-730-0747",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHATHAM",
        "first_name": "JAMES",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-14",
        "last_updated": "2025-07-10",
        "certification_date": "2025-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "FL",
            "license": "TRN9159",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "FL",
            "license": "ME104326",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockford, IL

All providers in Rockford, IL · Diagnostic Radiology Physician in Illinois

Sources for this page

Verify at the official NPI Registry.