Individual
MARK DAVID KOONE
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
230 E SYCAMORE ST STE 305, SHERMAN, TX 75090-5013
(903) 771-4613
(903) 698-6376
Mailing address
9900 N CENTRAL EXPY STE 500, DALLAS, TX 75231-0928
(214) 987-3376
(469) 532-0273
Taxonomy
Speciality
Code
Description
License number
State
207N00000X
Dermatology Physician
Primary
H1976
TX
Other
Enumeration date
03/07/2006
Last updated
07/29/2025
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