Mental Health Therapist

Ms. Marie Katheryn Whelan, APCC

1120 2nd St Ste C, Brentwood, California, 94513-2225

About Ms. Marie Katheryn Whelan

Ms. Marie Katheryn Whelan is a therapist based in Brentwood, California who is specialized in Mental Health Counselor. Active license number of Ms. Marie Katheryn Whelan is APCC12438 for Mental Health Counselor in California. Her current practice location is 1120 2nd St Ste C, Brentwood. Patients can reach her at 925-489-5953. Ms. Marie Katheryn Whelan is APCC in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1346958071.

Ms. Marie Katheryn Whelan is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Ms. Marie Katheryn Whelan 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. Marie Katheryn Whelan
Specialization Mental Health Counselor
Credentials APCC
Gender Female
Practice Address: 1120 2nd St Ste C,
Brentwood, CA - 94513-2225

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 Number1346958071
NPI Enumeration Date: 10 Nov, 2022
NPI Last Update On: 10 Nov, 2022

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. Marie Katheryn Whelan are as mentioned below.

License NumberSpecializationStateStatus
APCC12438Mental Health 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. Marie Katheryn Whelan
Po Box 1761,
Brentwood, CA - 94513-8761
Phone: 925-489-5953

Book an Appointment with Ms. Marie Katheryn Whelan

To schedule an appointment, contact Ms. Marie Katheryn Whelan at 1120 2nd St Ste C, Brentwood, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Ms. Marie Katheryn Whelan:

Ms. Marie Katheryn Whelan is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Ms. Marie Katheryn Whelan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Ms. Marie Katheryn Whelan practices at 1120 2nd St Ste C, Brentwood, California, 94513-2225.

To schedule an appointment with Ms. Marie Katheryn Whelan, please contact the office at 925-489-5953.

Reviews & Feedback

Have you visited Ms. Marie Katheryn Whelan? Share your experience to help others looking for a Mental Health Counselor in Brentwood, CA.

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