Dr. Gruenn is on Doximity
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Office
12301 Wilshire Blvd
#315
Los Angeles, CA 90025Phone+1 310-699-4199Fax+1 805-910-3486
Education & Training
University of Southern California/Los Angeles General Medical Center (USC/LA General)Residency, Internal Medicine, 1991 - 1992
University of Heidelberg Faculty of MedicineClass of 1978
Certifications & Licensure
CA State Medical License 1992 - 2026
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