Mental Health Therapist

Ms. Hilda Ann Williamson, LCSW

675 W Foothill Blvd Ste 200, Claremont, California, 91711-3475

About Ms. Hilda Ann Williamson

Ms. Hilda Ann Williamson is a therapist based in Claremont, California who is specialized in Mental Health Counselor. Active license number of Ms. Hilda Ann Williamson is 133700 for Social Worker in California. Her current practice location is 675 W Foothill Blvd Ste 200, Claremont. Patients can reach her at 925-282-1778. Ms. Hilda Ann Williamson is LCSW in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1265089312.

Ms. Hilda Ann Williamson 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. Hilda Ann Williamson 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. Hilda Ann Williamson
Specialization Mental Health Counselor
Credentials LCSW
Gender Female
Practice Address: 675 W Foothill Blvd Ste 200,
Claremont, CA - 91711-3475

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 Number1265089312
NPI Enumeration Date: 23 Aug, 2019
NPI Last Update On: 22 Oct, 2025

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. Hilda Ann Williamson are as mentioned below.

License NumberSpecializationStateStatus
133700Social Worker CaliforniaPrimary
91879Mental Health Counselor CaliforniaSecondary
91879Social Worker CaliforniaSecondary
133700Mental Health Counselor CaliforniaSecondary
36413Mental Health Counselor CaliforniaSecondary

Mailing Address

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

Ms. Hilda Ann Williamson
675 W Foothill Blvd Ste 200,
Claremont, CA - 91711-3475
Phone: 925-282-1778

Book an Appointment with Ms. Hilda Ann Williamson

To schedule an appointment, contact Ms. Hilda Ann Williamson at 675 W Foothill Blvd Ste 200, Claremont, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Ms. Hilda Ann Williamson:

Ms. Hilda Ann Williamson is a therapist specializing in Social Worker. She A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Yes, Ms. Hilda Ann Williamson is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Ms. Hilda Ann Williamson practices at 675 W Foothill Blvd Ste 200, Claremont, California, 91711-3475.

To schedule an appointment with Ms. Hilda Ann Williamson, please contact the office at 925-282-1778.

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