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JOHN CHASE CALLON ADT
NPI 1528639598
Counselor - Addiction (Substance Use Disorder) in Frederick, MD

Active since July 09, 2021
201 BROADWAY ST STE 110, FREDERICK, MD 21701(240) 801-7799 Get Directions Write a Review

NPPES record last updated: July 9, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Chase Callon Adt NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN CHASE CALLON ADT (NPI 1528639598) is an individual addiction (substance use disorder) provider in Frederick, Maryland, licensed in Maryland (ADT2211) and active in the NPI registry since July 2021.

NPPES Registry Identity

NPI1528639598
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJOHN CHASE CALLONCredential: ADT
Location Address201 BROADWAY ST STE 110Frederick, MD 21701-6696
Mailing Address620 Lee PlFrederick, MD 21702-4151
Phone(240) 801-7799
Sole ProprietorYes
Enumeration DateJuly 9, 2021
NPPES CertifiedJuly 9, 2021
✔ NPI 1528639598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in MD · ADT2211
201 BROADWAY ST STE 110, Frederick, MD 21701
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Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. LEA PARIS
Counselor (Addiction (Substance Use Disorder))
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (240) 801-7799
PROJECT CHESAPEAKE, LLC
Community/Behavioral Health
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (443) 440-5782
MARGARET MARY VALENTINO CSC-AD
Counselor (Addiction (Substance Use Disorder))
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (240) 801-7799
PROJECT CHESAPEAKE, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (443) 440-5782
NATHANIEL YOUNG
Counselor (Addiction (Substance Use Disorder))
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (240) 801-7799
REGINE GARRETT
Social Worker
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (443) 968-8331
MARGARET JANE DWYER LMSW
Social Worker
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (443) 440-5780
PROJECT CHESAPEAKE, LLC
Clinic/Center (Rehabilitation, Substance Use Disorder)
201 BROADWAY ST STE 110
FREDERICK, MD 21701
Frederick County (443) 440-5782

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Callon's NPI number?

The NPI number for John Callon is 1528639598. It was assigned to this individual provider in the NPPES registry on July 9, 2021.

Where is John Callon located?

John Callon practices at 201 Broadway St Ste 110, Frederick, MD 21701. The listed phone number is (240) 801-7799.

What is John Callon's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for John Callon was last updated on July 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.