Individual provider · Type 1 NPI

Thomas J. Brefeld, MD

Internal Medicine Physician · Rockford, IL

NPI number 1699885871 Active

Practice location

8201 E Riverside Blvd
Rockford, IL 61114-2300

Call (815) 971-4066 Map

Mailing address

29624 Network Pl
Chicago, IL 60673-1296

Other practice locations

  • 875 S Route 31, Crystal Lake, IL 60014-8190 · (779) 220-5500
  • 901 Grant St, Harvard, IL 60033-1821 · (815) 943-5431
  • 2400 N Rockton Ave, Rockford, IL 61103-3655 · (815) 971-4025

Specialties and licenses

TaxonomyCodeLicense
Hospitalist Physician 208M00000X036104961 (IL)
Internal Medicine Physician Primary 207R00000X036104961 (IL)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1699885871

Thomas J. Brefeld, MD's National Provider Identifier is 1699885871, issued on Aug 30, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Rockford, IL. The record was last updated on May 23, 2025.