Individual
BENJAMIN SIEMANOWSKI
Active
Individual
BENJAMIN SIEMANOWSKI
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
207RG0100X
Gastroenterology Physician
Primary
MD00047499
WA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0229984
L&I AND CRIME VICTIMS
WA
05
—
1548301120
—
WA
01
—
2854SI
REGENCE
WA
01
—
7201924
AETNA
WA
Enumeration date
02/08/2007
Last updated
05/24/2023
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