Individual
DR. MARK LOUIS SIEFRING
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
1250 BARDSTOWN RD STE 8, LOUISVILLE, KY 40204-1333
(502) 456-7047
(502) 452-1491
Mailing address
PO BOX 776351, CHICAGO, IL 60677-6351
(502) 588-9490
(502) 272-5116
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
34079
KY
207R00000X
Internal Medicine Physician
MD203727
OR
Other
Enumeration date
05/09/2018
Last updated
08/11/2025
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us