Psychiatrist

Dr. Dennett John Hanssmann, M.D.

1621 Oak Ave Ste B, Davis, California, 95616-1000

About Dr. Dennett John Hanssmann

Dr. Dennett John Hanssmann is a psychiatrist based in Davis, California who is specialized in Psychiatry. Active license number of Dr. Dennett John Hanssmann is C-33144 for Psychiatry in California. His current practice location is 1621 Oak Ave Ste B, Davis. Patients can contact him at 916-452-3030. Dr. Dennett John Hanssmann, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1265456081.

Dr. Dennett John Hanssmann 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

Dr. Dennett John Hanssmann'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 Dr. Dennett John Hanssmann
Specialization Psychiatry
Credentials M.D.
Gender Male
Practice Address: 1621 Oak Ave Ste B,
Davis, CA - 95616-1000

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.

NPI Number1265456081
NPI Enumeration Date: 26 Jul, 2006
NPI Last Update On: 20 Sep, 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 Dr. Dennett John Hanssmann are as mentioned below.

License NumberSpecializationStateStatus
C-33144Psychiatry CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Dennett John Hanssmann such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
7386517MedicaidCalifornia
C-33144OtherCaliforniaMEDICAL LICENSE NUMBER

Mailing Address

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

Dr. Dennett John Hanssmann
1621 Oak Ave Ste B,
Davis, CA - 95616-1000
Phone: 916-452-3030
Fax: 530-302-3383

Book an Appointment with Dr. Dennett John Hanssmann

To schedule an appointment, contact Dr. Dennett John Hanssmann at 1621 Oak Ave Ste B, Davis, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Dennett John Hanssmann:

Dr. Dennett John Hanssmann 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.

Yes, Dr. Dennett John Hanssmann 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.

Dr. Dennett John Hanssmann practices at 1621 Oak Ave Ste B, Davis, California, 95616-1000.

To schedule an appointment with Dr. Dennett John Hanssmann, please contact the office at 916-452-3030.

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