Individual
JOHN STEPHEN SOWINSKI
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143-2204
(415) 502-2673
Mailing address
PO BOX 743749, LOS ANGELES, CA 90074-3749
Taxonomy
Speciality
Code
Description
License number
State
2085R0202X
Diagnostic Radiology Physician
2026-00784
NC
2085R0202X
Diagnostic Radiology Physician
Primary
A187039
CA
390200000X
Student in an Organized Health Care Education/Training Program
—
—
Other
Enumeration date
04/02/2018
Last updated
03/19/2026
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