Psychiatrist | 8+ years experience

Stephen Michael Brennan, MD

1230 Corporate Center Dr Ste 400, Oconomowoc, Wisconsin, 53066-4883

About Stephen Michael Brennan

Stephen Michael Brennan is a psychiatrist based in Oconomowoc, Wisconsin with 8 years of experience in Psychiatry. He completed his graduation from Medical College Of Wisconsin in 2018. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Stephen Michael Brennan is 81856 for Psychiatry in Wisconsin. His current practice location is 1230 Corporate Center Dr Ste 400, Oconomowoc. Patients can contact him at 262-646-6311. Stephen Michael Brennan, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1588168025.

Stephen Michael Brennan specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Stephen Michael Brennan's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Stephen Michael Brennan
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 8+ years
Medical School Attended Medical College Of Wisconsin
Graduation Year 2018
Gender Male
Practice Address: 1230 Corporate Center Dr Ste 400,
Oconomowoc, WI - 53066-4883

Professional Identification Codes

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

PAC ID 8022364645
Enrollment ID I20220121000868
NPI Number1588168025
NPI Enumeration Date: 20 Mar, 2018
NPI Last Update On: 11 Jan, 2024

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Stephen Michael Brennan are as mentioned below.

License NumberSpecializationStateStatus
81856Psychiatry WisconsinPrimary
81856Internal Medicine IowaSecondary
81856Psychiatry IowaSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Stephen Michael Brennan is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Evizzit Of Iowa Psychiatry Pc (2860825924)35

Mailing Address

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

Stephen Michael Brennan
34700 Valley Rd,
Oconomowoc, WI - 53066-4500
Phone: 262-646-4411

Book an Appointment with Stephen Michael Brennan

To schedule an appointment, contact Stephen Michael Brennan at 1230 Corporate Center Dr Ste 400, Oconomowoc, Wisconsin or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Stephen Michael Brennan:

Stephen Michael Brennan is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Stephen Michael Brennan completed his education (MD) from Medical College Of Wisconsin in 2018.

Stephen Michael Brennan has approximately 8 years of experience in Psychiatry.

Yes, Stephen Michael Brennan accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Stephen Michael Brennan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Stephen Michael Brennan practices at 1230 Corporate Center Dr Ste 400, Oconomowoc, Wisconsin, 53066-4883.

To schedule an appointment with Stephen Michael Brennan, please contact the office at 262-646-6311.

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