Thomas J Brefeld, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036104961 Issued in IL

Practice address

8201 E Riverside Blvd
Rockford, IL 61114-2300

Phone

(815) 971-4066

NPI assigned

Aug 30, 2006

Last updated

May 23, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

Rush Medical College of Rush University, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rockford Health PhysiciansGroup PAC ID 2567374036, 520 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Javon Bea Hospital Hospital, Rockford, IL, CCN 140239

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tbrefeld51827@direct.mhemail.org

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

• Rockford Health Physicians

  dba Mercyhealth Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment Care Compare group NPD
• Mercy Harvard Hospital Inc

  • Critical Access Hospital
  • Harvard, IL
  • NPI 1427001445
  Medicare reassignment NPD
• Mercy Health System Corporation

  dba MHS Physician Services

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603

  IL

  Medicare reassignment NPD
• Mercy Harvard Hospital Inc

  dba Mercy Harvard Care Center

  • Skilled Nursing Facility
  • Harvard, IL
  • NPI 1124195557
  NPD
• RMH Pathologists, LTD

  • Anatomic Pathology Physician
  • Rockford, IL
  • NPI 1184671992
  NPD
• Mercy Health System Corporation

  dba Mercy Walworth Hospital and Medical Center

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  NPD

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

• Javon Bea Hospital

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1629118609
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747958400000",
    "number": "1699885871",
    "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": "815-971-4066"
        }
    ],
    "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": "2400 N Rockton Ave",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611033655",
            "country_code": "US",
            "telephone_number": "815-971-4025",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BREFELD",
        "first_name": "THOMAS",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2025-05-23",
        "certification_date": "2025-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036104961",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036104961",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036104961",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Brauer Family Chiropractic, Inc.
• Christine Suzanne Brauer, DPT
• Bravo Care of Rockford Inc (Rosewood Care Center of Rockford)
• Meredith Brawley, D.O.
• Angeline L Brechlin, APN
• Igal Breitman, MD
• Brek Therapy and Wellness, PLLC
• Elizabeth G Brekelbaum, LCPC
• Brenda Beard LCSW PLLC
• Brenda Byrne Counseling, L.L.P.

• Internal Medicine Physician in Rockford, IL
• Providers in Rockford, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.