Dr. Ralph Jan Koek

M.D. | Psychiatry


  26585 West Agoura Blvd., Ste 330, Calabasas
     California, 91301
  818-876-1050    Maps & Directions
Dr. Ralph Jan Koek is a Calabasas, California based psychiatrist who is specialized in Psychiatry. Active license number of Dr. Ralph Jan Koek is G058707 for Psychiatry in California. His current practice location is 26585 West Agoura Blvd., Ste 330, Calabasas. Patients can reach him at 818-876-1050. Dr. Ralph Jan Koek is M.D. in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1356428924.
Dr. Ralph Jan Koek 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.
Complete Profile:
Dr. Ralph Jan Koek speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Name: Dr. Ralph Jan Koek
Specialization: Psychiatry
Gender:Male
Credentials: M.D.
Practice Address:26585 West Agoura Blvd., Ste 330, Calabasas,
California, 91301
Phone:818-876-1050
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 Number: 1356428924
NPI Enumeration Date: 01 Nov, 2006
NPI Last Update On: 27 Oct, 2022

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Ralph Jan Koek are as mentioned below.
License NumberSpecializationStateStatus
G058707Psychiatry CaliforniaPrimary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: Dr. Ralph Jan Koek
5767 W Century Blvd Ste 400,
Los Angeles, California
Zip: 90045-5631
Phone Number: 310-301-8771
Patients can reach Dr. Ralph Jan Koek at 26585 West Agoura Blvd., Ste 330, Calabasas, California or can call to book an appointment on 818-876-1050.
Comments/ Reviews:

*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 11 November, 2024.