Individual
DR. MARK D OLSZYK
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
200 MEMORIAL AVE, WESTMINSTER, MD 21157-5726
(410) 871-6129
Mailing address
200 MEMORIAL AVE, WESTMINSTER, MD 21157-5726
(410) 871-6129
(410) 871-7474
Taxonomy
Speciality
Code
Description
License number
State
207P00000X
Emergency Medicine Physician
Primary
D0072926
MD
207P00000X
Emergency Medicine Physician
Primary
—
IL
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
34440500
—
WI
Enumeration date
07/26/2006
Last updated
01/14/2026
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