Psychology Clinic

Bay Children's Services

3030 Ashby Ave, Suite 104, Berkeley, California, 94705-2439

About Bay Children's Services

Bay Children's Services is a psychology clinic located in Berkeley, California. The clinic is located at 3030 Ashby Ave, Suite 104, Berkeley, CA and can be reached at 510-224-4221. The authorized official for Bay Children's Services is Dr. Thomas Paul Tarshis, who serves the clinic’s Founder And Cfo. He/She can be contacted at 510-224-4221. Other organizations associated with this clinic are Bay Children's Services, Maria-christina Stewart, Ph.d. Psychologist, Inc.,
Bay Children's Services Clinic specialize in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, psychologists performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. Psychologists can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Clinic Information

Bay Children's Services Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name Bay Children's Services
Specialization Psychology
Practice Address 3030 Ashby Ave, Suite 104
Berkeley, CA - 94705-2439
Fax 510-422-1442

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name Dr. Thomas Paul Tarshis
Position Founder And Cfo
Contact Number 510-224-4221

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1003095563
NPI Enumeration Date: 31 Oct, 2007
NPI Last Update On: 29 Jan, 2026

Other Associated Organizations

Other organizations which are associated with this clinic are as mentioned below. These organization share the same address but have similar or different specialization. Speciality of these organizations are also mentioned below.

NameSpecializationNPI Number
Bay Children's ServicesPsychology 1003095563
Maria-christina Stewart, Ph.d. Psychologist, Inc.Clinical Psychology 1356697346

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Bay Children's Services are as mentioned below.
License NumberSpecializationStateStatus
Child & Adolescent Psychiatry Primary
Psychologist Secondary
Clinical Child & Adolescent Secondary
Marriage & Family Therapist Secondary
Psychiatry Secondary

Mailing Address

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

Bay Children's Services
3030 Ashby Ave Ste 104,
Berkeley, CA - 94705-2439
Phone: 510-224-4221
Fax: 510-422-1442

Book an Appointment with Bay Children's Services

To schedule an appointment, contact Bay Children's Services at 3030 Ashby Ave, Suite 104, Berkeley, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Bay Children's Services clinic:

Bay Children's Services is a psychology clinic specializing in Psychology.

Bay Children's Services is located at 3030 Ashby Ave, Suite 104, Berkeley, California 94705-2439.

Patients can contact Bay Children's Services at 510-224-4221 for inquiries about its services and appointments.

Please contact Bay Children's Services directly to inquire about new-patient availability and appointment options.
* Availability may change.

Bay Children's Services specialize in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, psychologists performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. Psychologists can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Patients can contact Bay Children's Services at 510-224-4221 to inquire about appointments, consultation requirements and available services.

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