Individual
WILLIAM E MCCARRON
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207RC0000X
Cardiovascular Disease Physician
Primary
D4218
TX
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
048109
GREAT WEST
—
01
—
122435
USA MANAGED CARE
—
01
—
4126287
AETNA / TRS
—
01
—
56082
FIRST HEALTH
TX
01
—
78756-A018
CHAMPUS / TRICARE
—
01
—
829045
BC / BS
TX
Enumeration date
08/02/2005
Last updated
07/13/2026
Update your record
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 at https://nppes.cms.hhs.gov.
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up