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Individual
DR. WILLIAM BRENDAN HAYES
Active
Individual
DR. WILLIAM BRENDAN HAYES
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207L00000X
Anesthesiology Physician
Primary
56749
WI
207L00000X
Anesthesiology Physician
60074
TN
207L00000X
Anesthesiology Physician
J8572
TX
207L00000X
Anesthesiology Physician
MD22759
ME
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
103430804
—
TX
05
—
103430805
—
TX
05
—
806823200
—
TX
01
—
82516
MEDICARE PIN
AR
01
—
8X1982
BCBS
TX
01
—
P00647473
RAILROAD
TX
01
—
X5423
MEDICARE PIN
MT
Enumeration date
05/12/2006
Last updated
05/14/2026
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