| NPI | LastName | FirstName | MidName | Organization | Mailing Address | City | State | Zip |
| 1730369877 | GREGORY L. WILLIAMS, PSY.D., PC | 1800 COOPER POINT RD SW STE 17 | OLYMPIA | WA | 985021179 | |||
| 1134262884 | MASSON | JAMES | ROBERT | 2118 CATON WAY SW | OLYMPIA | WA | 985021105 | |
| 1326139361 | WILLIAMS | GREGORY | LYNN | 2118 CATON WAY SW | OLYMPIA | WA | 98502 |