Professional Therapist

Ms. Marianne Croonquist, M.S., MFT

1115 Via Verde Ave., San Dimas, California, 91773

About Ms. Marianne Croonquist

Ms. Marianne Croonquist is a therapist based in San Dimas, California who is specialized in Professional Counselor. Active license number of Ms. Marianne Croonquist is 36282 for Professional Counselor in California. Her current practice location is 1115 Via Verde Ave., San Dimas. Patients can reach her at 626-806-8772 or can fax her at 909-599-6661. Ms. Marianne Croonquist is M.S., MFT in Professional Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1942487756.

Ms. Marianne Croonquist is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She 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

Ms. Marianne Croonquist 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 Ms. Marianne Croonquist
Specialization Professional Counselor
Credentials M.S., MFT
Gender Female
Practice Address: 1115 Via Verde Ave.,
San Dimas, CA - 91773
Fax 909-599-6661

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 Number1942487756
NPI Enumeration Date: 23 Jan, 2008
NPI Last Update On: 23 Jan, 2008

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 Ms. Marianne Croonquist are as mentioned below.

License NumberSpecializationStateStatus
36282Professional 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.

Ms. Marianne Croonquist
1115 Via Verde Ave.,
San Dimas, CA - 91773
Phone: 626-806-8772
Fax: 909-599-6661

Book an Appointment with Ms. Marianne Croonquist

To schedule an appointment, contact Ms. Marianne Croonquist at 1115 Via Verde Ave., San Dimas, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Ms. Marianne Croonquist:

Ms. Marianne Croonquist is a therapist specializing in Professional Counselor. She is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She 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, Ms. Marianne Croonquist is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Ms. Marianne Croonquist practices at 1115 Via Verde Ave., San Dimas, California, 91773.

To schedule an appointment with Ms. Marianne Croonquist, please contact the office at 626-806-8772.

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