Psychologist | Counseling Psychology

Ms. Donna T Sierra

850 E Main St, Barstow, California, 92311-2347

About Ms. Donna T Sierra

Ms. Donna T Sierra is a psychologist based in Barstow, California who is specialized in Counseling Psychology. Her current practice location is 850 E Main St, Barstow. Patients can contact her at 760-613-6381. Ms. Donna T Sierra NPI number (Unique professional ID assigned by NPPES) is 1851752877.

Ms. Donna T Sierra help people with physical, emotional and mental health issues, improve their sense of well‐being, alleviate feelings of distress and resolve crises. She also provides assessment, diagnosis, and treatment of more severe psychological symptoms.
Counseling psychologists mainly focuses on: Healthy aspects and strengths of clients (whether being seen as individuals, couples, families, groups or organizations; Environmental/situational influences (how cultural, gender and lifestyle issues shape people’s experiences and concerns); Issues of diversity and social justice (e.g., advocacy); The role of career and work in peoples’ lives.

Practice Information

Ms. Donna T Sierra's specialty, 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. Donna T Sierra
Specialization Counseling Psychology
Gender Female
Practice Address: 850 E Main St,
Barstow, CA - 92311-2347

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 Number1851752877
NPI Enumeration Date: 18 Mar, 2016
NPI Last Update On: 18 Mar, 2016

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Ms. Donna T Sierra are as mentioned below.

License NumberSpecializationStateStatus
Counseling Psychology Primary

Mailing Address

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

Ms. Donna T Sierra
2053 Princeton Dr,
Barstow, CA - 92311-6641
Phone: 760-613-6381

Book an Appointment with Ms. Donna T Sierra

To schedule an appointment, contact Ms. Donna T Sierra at 850 E Main St, Barstow, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Ms. Donna T Sierra:

Ms. Donna T Sierra is a psychologist specializing in Counseling Psychology. She help people with physical, emotional and mental health issues, improve their sense of well‐being, alleviate feelings of distress and resolve crises. She also provides assessment, diagnosis, and treatment of more severe psychological symptoms.
Counseling psychologists mainly focuses on: Healthy aspects and strengths of clients (whether being seen as individuals, couples, families, groups or organizations; Environmental/situational influences (how cultural, gender and lifestyle issues shape people’s experiences and concerns); Issues of diversity and social justice (e.g., advocacy); The role of career and work in peoples’ lives.

Yes, Ms. Donna T Sierra is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Ms. Donna T Sierra practices at 850 E Main St, Barstow, California, 92311-2347.

To schedule an appointment with Ms. Donna T Sierra, please contact the office at 760-613-6381.

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