Contact Information

Hours of Operation

Monday-Friday 8:00AM to 4:30PM Eastern Time

Closed on weekends and official holidays

 

Please see the Holiday Schedule for additional information.
 

Telephone

(410) 955-0483

FAX

(410) 955-0484

Postal address (not for shipping samples)

DNA Diagnostic Lab
Johns Hopkins Hospital
CMSC 1004
600 N. Wolfe St.
Baltimore, MD 21287

E-mail

bkarczes@jhmi.edu

Other Helpful Numbers at Johns Hopkins

General Number for Johns Hopkins Hospital: 410-955-5000
Patient Financial Services (for non Diagnostic Lab billing matters):
          In Patient 410-550-7370
          Out Patient 410-550-7330

Personnel Directory

Barbara Karczeski, MS, CGC, MA
Genetic Counselor / Program Manager
Email: bkarczes@jhmi.edu
Phone: 410- 502-1889
Fax: 410- 955-0484