Mental Health Therapist

Mr. John Claus Marxen, LPC

3126 W 20th Ave, Oshkosh, Wisconsin, 54904-9258

About Mr. John Claus Marxen

Mr. John Claus Marxen is a therapist based in Oshkosh, Wisconsin who is specialized in Mental Health Counselor. Active license number of Mr. John Claus Marxen is 3020-125 for Mental Health Counselor in Wisconsin. His current practice location is 3126 W 20th Ave, Oshkosh. Patients can reach him at 920-279-6001. Mr. John Claus Marxen is LPC in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1932340437.

Mr. John Claus Marxen is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Mr. John Claus Marxen 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 Mr. John Claus Marxen
Specialization Mental Health Counselor
Credentials LPC
Gender Male
Practice Address: 3126 W 20th Ave,
Oshkosh, WI - 54904-9258

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 Number1932340437
NPI Enumeration Date: 12 Mar, 2009
NPI Last Update On: 12 Mar, 2009

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 Mr. John Claus Marxen are as mentioned below.

License NumberSpecializationStateStatus
3020-125Mental Health 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.

Mr. John Claus Marxen
1736 Bernheim St,
Oshkosh, WI - 54904-8967
Phone: 920-279-6001

Book an Appointment with Mr. John Claus Marxen

To schedule an appointment, contact Mr. John Claus Marxen at 3126 W 20th Ave, Oshkosh, Wisconsin or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. John Claus Marxen:

John Claus Marxen is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, John Claus Marxen is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

John Claus Marxen practices at 3126 W 20th Ave, Oshkosh, Wisconsin, 54904-9258.

To schedule an appointment with John Claus Marxen, please contact the office at 920-279-6001.

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