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 J JOHNS
Active
Individual
DR. MARK J JOHNS
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
PSYD, CADC
Taxonomy
Speciality
Code
Description
License number
State
101YA0400X
Addiction (Substance Use Disorder) Counselor
1683
IL
101YM0800X
Mental Health Counselor
180.001399
IL
101YP2500X
Professional Counselor
Primary
180.001399
IL
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
180.001399
—
IL
Enumeration date
01/27/2006
Last updated
07/10/2024
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