Professional Therapist

John Michael Duffey, LPC

Child & Family Therapeutic Systems, 4811 S 76 Street #305, Greenfield, Wisconsin, 53220-4364

About John Michael Duffey

John Michael Duffey is a therapist based in Greenfield, Wisconsin who is specialized in Professional Counselor. Active license number of John Michael Duffey is 7094-125 for Professional Counselor in Wisconsin. His current practice location is Child & Family Therapeutic Systems, 4811 S 76 Street #305, Greenfield. Patients can reach him at 414-325-7741. John Michael Duffey is LPC in Professional Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1043794324.

John Michael Duffey is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He 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

John Michael Duffey 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 John Michael Duffey
Specialization Professional Counselor
Credentials LPC
Gender Male
Practice Address: Child & Family Therapeutic Systems, 4811 S 76 Street #305
Greenfield, WI - 53220-4364

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 Number1043794324
NPI Enumeration Date: 21 Sep, 2018
NPI Last Update On: 01 Jul, 2025

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 John Michael Duffey are as mentioned below.

License NumberSpecializationStateStatus
7094-125Professional Counselor WisconsinPrimary

Mailing Address

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

John Michael Duffey
7100 W Bluemound Rd,
Wauwatosa, WI - 53213-3723
Phone: 414-248-6502

Book an Appointment with John Michael Duffey

To schedule an appointment, contact John Michael Duffey at Child & Family Therapeutic Systems, 4811 S 76 Street #305, Greenfield, Wisconsin or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Michael Duffey:

John Michael Duffey is a therapist specializing in Professional Counselor. He is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He 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, John Michael Duffey is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

John Michael Duffey practices at Child & Family Therapeutic Systems, 4811 S 76 Street #305, Greenfield, Wisconsin, 53220-4364.

To schedule an appointment with John Michael Duffey, please contact the office at 414-325-7741.

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