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

John Chase Callon, ADT

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1528639598

John Chase Callon, ADT is an Addiction (Substance Use Disorder) Counselor in Frederick, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2021

Practice location Address checks out

201 Broadway St Ste 110
Frederick, MD 21701-6696
Phone: (240) 801-7799
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 · Licence ADT2211 (MD)

Record details

NPI number1528639598
Entity typeIndividual (Type 1)
GenderMale
Credentials ADT
Sole proprietorYes
NPI enumeratedJuly 9, 2021
Last updated in NPPESJuly 9, 2021
Certification dateJuly 9, 2021
Mailing address620 Lee Pl, Frederick, MD 21702-4151

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