Professional Therapist

Colleen Gannon

1003 W 7th St Ste 500, Frederick, Maryland, 21701-8512

About Colleen Gannon

Colleen Gannon is a therapist based in Frederick, Maryland who is specialized in Professional Counselor. Active license number of Colleen Gannon is 12579 for Professional Counselor in Maryland. Her current practice location is 1003 W 7th St Ste 500, Frederick. Patients can reach her at 301-345-1022 or can fax her at 301-560-5558. Colleen Gannon NPI number (Unique professional ID assigned by NPPES) is 1265153332.

Colleen Gannon is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Practice Information

Colleen Gannon speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Colleen Gannon
Specialization Professional Counselor
Gender Female
Practice Address: 1003 W 7th St Ste 500,
Frederick, MD - 21701-8512
Fax 301-560-5558

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1265153332
NPI Enumeration Date: 07 Sep, 2022
NPI Last Update On: 07 Sep, 2022

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Colleen Gannon are as mentioned below.

License NumberSpecializationStateStatus
12579Professional Counselor MarylandPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Colleen Gannon
1003 W 7th St Ste 500,
Frederick, MD - 21701-8512
Phone: 301-345-1022
Fax: 301-560-5558

Book an Appointment with Colleen Gannon

To schedule an appointment, contact Colleen Gannon at 1003 W 7th St Ste 500, Frederick, Maryland or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Colleen Gannon:

Colleen Gannon is a therapist specializing in Professional Counselor. She is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Yes, Colleen Gannon is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Colleen Gannon practices at 1003 W 7th St Ste 500, Frederick, Maryland, 21701-8512.

To schedule an appointment with Colleen Gannon, please contact the office at 301-345-1022.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.