License holder summary

CONSTANTINE JANTZEN ISAAK-JANTZEN is a Medical Physician And Surgeon licensed to practice in Pennsylvania. The address on file for CONSTANTINE JANTZEN ISAAK-JANTZEN is VALLEJO CA 94590. This medical practitioner license is not current. The license was granted 08/27/1940 and expired on 12/31/1974.

Department of State

Board of Medicine

CONSTANTINE JANTZEN ISAAK-JANTZEN
Medical Physician And Surgeon
License number
MD018138L
Date granted
08/27/1940
Date expires
12/31/1974
Class
Medical Physician And Surgeon
Status
Expired
Address
VALLEJO CA 94590
medicinepa.com
ID 37624365
LAST UPDATED 2026-03-27 05:22:32 UTC

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