Professional Therapist

John Ernst, MS

721 American Ave, Suite 501, Waukesha, Wisconsin, 53188-5071

About John Ernst

John Ernst is a therapist based in Waukesha, Wisconsin who is specialized in Professional Counselor. Active license number of John Ernst is 1549-125 for Professional Counselor in Wisconsin. His current practice location is 721 American Ave, Suite 501, Waukesha. Patients can reach him at 262-928-2396 or can fax him at 262-544-1213. John Ernst is MS in Professional Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1740355395.

John Ernst 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 Ernst 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 Ernst
Specialization Professional Counselor
Credentials MS
Gender Male
Practice Address: 721 American Ave, Suite 501
Waukesha, WI - 53188-5071
Fax 262-544-1213

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 Number1740355395
NPI Enumeration Date: 21 Nov, 2006
NPI Last Update On: 08 Jul, 2007

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 Ernst are as mentioned below.

License NumberSpecializationStateStatus
1549-125Professional Counselor WisconsinPrimary

Other Medical Identifiers

Other legacy medical identifiers associated with John Ernst such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
40989900MedicaidWisconsin

Mailing Address

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

John Ernst
721 American Ave, Suite 501
Waukesha, WI - 53188-5071
Phone: 262-928-2396
Fax: 262-544-1213

Book an Appointment with John Ernst

To schedule an appointment, contact John Ernst at 721 American Ave, Suite 501, Waukesha, Wisconsin or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Ernst:

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

John Ernst practices at 721 American Ave, Suite 501, Waukesha, Wisconsin, 53188-5071.

To schedule an appointment with John Ernst, please contact the office at 262-928-2396.

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