Therapist

Gregory Donald Isom

160 Glen Cove Marina Rd E, Vallejo, California, 94591-7290

About Gregory Donald Isom

Gregory Donald Isom is a therapist based in Vallejo, California who is specialized in Counselor. His current practice location is 160 Glen Cove Marina Rd E, Vallejo. Patients can reach him at 707-648-2000. Gregory Donald Isom NPI number (Unique professional ID assigned by NPPES) is 1619674868.

Gregory Donald Isom is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. He works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. He support his clients by understanding their thoughts, emotions, and behaviors.

Practice Information

Gregory Donald Isom 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 Gregory Donald Isom
Specialization Counselor
Gender Male
Practice Address: 160 Glen Cove Marina Rd E,
Vallejo, CA - 94591-7290

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 Number1619674868
NPI Enumeration Date: 08 Feb, 2023
NPI Last Update On: 14 Aug, 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 Gregory Donald Isom are as mentioned below.

License NumberSpecializationStateStatus
Day Training/Habilitation Specialist Primary
Counselor Secondary
Mental Health Counselor Secondary
Community Health Worker Secondary

Mailing Address

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

Gregory Donald Isom
801 Greenmont Dr,
Vallejo, CA - 94591-7642
Phone: 707-205-6321

Book an Appointment with Gregory Donald Isom

To schedule an appointment, contact Gregory Donald Isom at 160 Glen Cove Marina Rd E, Vallejo, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gregory Donald Isom:

Gregory Donald Isom is a therapist specializing in Day Training/Habilitation Specialist. He Individuals experienced or trained in working with developmentally disabled individuals who need assistance in acquiring and maintaining life skills that enable them to cope more effectively with the demands of independent living.

Yes, Gregory Donald Isom is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Gregory Donald Isom practices at 160 Glen Cove Marina Rd E, Vallejo, California, 94591-7290.

To schedule an appointment with Gregory Donald Isom, please contact the office at 707-648-2000.

Reviews & Feedback

Have you visited Gregory Donald Isom? Share your experience to help others looking for a Counselor in Vallejo, CA.

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