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License Look Up

MARK DAVID HAMMERLY PH.D.

The search results for the license holder are listed to the right.

Current Date & Time 1/18/2026 4:00 AM

Status Active

Sub-Status

Compact/Multi-State Eligible

Sub-Category

Board Psychology Board

License Type Psychologist

License Number P.6049

License Issue Date 7/9/04

License Effective Date 10/1/24

License Expiration Date 9/30/26

City Columbus

State OH

Country United States

Board Action No

Current date & time: 1/18/2026 4:00 AM

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