Individual
JOHN A WILLIS
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207X00000X
Orthopaedic Surgery Physician
Primary
160529
MA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0900676
UNITED HEALTH
—
01
—
160529
TUFTS
—
05
—
2065118
—
MA
01
—
2431064
AETNA
—
01
—
5061233001
CIGNA
—
01
—
68934
PILGRIM
—
05
—
9773983
—
MA
01
—
J21143
BCBS
—
Enumeration date
08/30/2005
Last updated
07/13/2026
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