Addiction Therapist

Casey Postma

1101 Williamson Ave, Fullerton, California, 92833-2747

About Casey Postma

Casey Postma is a therapist based in Fullerton, California who is specialized in Addiction (Substance Use Disorder) Counselor. Her current practice location is 1101 Williamson Ave, Fullerton. Patients can reach her at 562-739-0878. Casey Postma NPI number (Unique professional ID assigned by NPPES) is 1033720990.

Casey Postma is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Practice Information

Casey Postma 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 Casey Postma
Specialization Addiction (Substance Use Disorder) Counselor
Gender Female
Practice Address: 1101 Williamson Ave,
Fullerton, CA - 92833-2747

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 Number1033720990
NPI Enumeration Date: 13 Aug, 2020
NPI Last Update On: 05 Jun, 2024

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 Casey Postma are as mentioned below.

License NumberSpecializationStateStatus
Addiction (Substance Use Disorder) Counselor CaliforniaPrimary

Mailing Address

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

Casey Postma
1101 Williamson Ave,
Fullerton, CA - 92833-2747
Phone: 562-739-0878

Book an Appointment with Casey Postma

To schedule an appointment, contact Casey Postma at 1101 Williamson Ave, Fullerton, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Casey Postma:

Casey Postma is a therapist specializing in Addiction (Substance Use Disorder) Counselor. She is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Yes, Casey Postma is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Casey Postma practices at 1101 Williamson Ave, Fullerton, California, 92833-2747.

To schedule an appointment with Casey Postma, please contact the office at 562-739-0878.

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