Individual
DR. JOHN W WARREN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
22 S GREENE ST, BALTIMORE, MD 21201-1544
(410) 706-4242
(410) 706-4200
Mailing address
PO BOX 64442, BALTIMORE, MD 21264-4442
(410) 706-4242
(410) 706-4200
Taxonomy
Speciality
Code
Description
License number
State
207RI0200X
Infectious Disease Physician
Primary
D21377
MD
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
0223729000
—
WV
05
—
036599400
—
DC
05
—
1548202625
—
DE
01
—
367770-01
BLUE CROSS/BLUE SHIELD
MD
05
—
984061300
—
MD
Enumeration date
06/12/2006
Last updated
11/15/2010
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