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

Diane Mary Pettko, MS, LCADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1942694278

Diane Mary Pettko, MS, LCADC is an Addiction (Substance Use Disorder) Counselor in Prince Frederick, Maryland. Registered with an NPI since 2015.

In the registry since
2015
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

280 Stafford Rd
Prince Frederick, MD 20678-3582
Phone: (410) 535-3079
Fax: (410) 535-2220
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1942694278
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LCADC
Sole proprietorNo
NPI enumeratedMarch 25, 2015
Last updated in NPPESNovember 29, 2022
Certification dateNovember 29, 2022

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