Update this page – If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS.
Individual
DR. MARK A LYONS
Active
Individual
DR. MARK A LYONS
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
M8146
TX
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
191306301
—
TX
01
—
8AR594
BCBS
TX
Enumeration date
06/06/2007
Last updated
10/19/2021
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