Individual
DR. JACOB FREDRICK COLLEN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
5255 LOUGHBORO RD NW, WASHINGTON, DC 20016-2633
(410) 955-5000
Mailing address
6201 GREENLEIGH AVE, BALTIMORE, MD 21220-2004
(240) 439-8812
Taxonomy
Speciality
Code
Description
License number
State
207RC0200X
Critical Care Medicine (Internal Medicine) Physician
Primary
MD500002488
DC
207RP1001X
Pulmonary Disease Physician
D79963
MD
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
D79963
MARYLAND STATE MEDICAL LICENSE
MD
Enumeration date
09/15/2006
Last updated
03/19/2025
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