Is this information incorrect? This page shows public data from NPPES. Update your record in NPPES and this page will update automatically within 7 days.
Individual
DR. MARK DAVID TILSON
Active
Individual
DR. MARK DAVID TILSON
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
PH.D.
Taxonomy
Speciality
Code
Description
License number
State
103G00000X
Clinical Neuropsychologist
826
OR
103TC0700X
Clinical Psychologist
826
OR
103TR0400X
Rehabilitation Psychologist
Primary
826
OR
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
079009
—
OR
Enumeration date
04/17/2007
Last updated
09/11/2025
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