Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mark Gillman, BA, CADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1093242778

Mark Gillman, BA, CADC is an Addiction (Substance Use Disorder) Counselor in Ottumwa, Iowa. Licensed in Iowa. Registered with an NPI since 2017.

Licensed in
IA
In the registry since
2017
What do these letters mean?
BA — Bachelor of Arts
An undergraduate arts degree.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

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Practice location Address checks out

310 W Main St
Ottumwa, IA 52501
Phone: (641) 683-6747
Fax: (641) 683-6317
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 15002 (IA)

Record details

NPI number1093242778
Entity typeIndividual (Type 1)
GenderMale
Credentials BA , CADC
Sole proprietorNo
NPI enumeratedMay 12, 2017
Last updated in NPPESMay 12, 2017
Mailing addressPo Box 658, Ottumwa, IA 52501

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