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St. Jude Affiliated Physicians
P.O. Box 4138
Fullerton, CA 92834

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Katarzyna J. Tesmer, MD

Katarzyna J. Tesmer, MD

(714) 532-8622
Primary Specialties
  • Neonatal Medicine
    (Board Certified)
  • Neonatology
Medical Groups & Affiliations
  • St. Jude Affiliated Physician

Primary Office

455 S. Main St.
Orange, CA 92868
(714) 532-8622
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Areas of Expertise



  • Physicians of Excellence, OCMA - 2017