Individual
KEVIN SIEJA
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
4500 E 9TH AVE STE 720S, DENVER, CO 80220-3926
(303) 355-3525
(303) 355-0255
Mailing address
4500 E 9TH AVE STE 720S, DENVER, CO 80220-3926
(303) 355-3525
(303) 355-0255
Taxonomy
Speciality
Code
Description
License number
State
207RG0100X
Gastroenterology Physician
Primary
44150
CO
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
17707757
—
CO
01
—
P00337840
RAILROAD MEDICARE
CO
Enumeration date
05/23/2006
Last updated
06/30/2026
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