Mrs. Mary Dianne Thomas

M.A. | Mental Health Counselor


  1777 Borel Place, Suite 509, San Mateo
     California, 94402-2851
  650-349-0461    650-570-7779 Maps & Directions
Mrs. Mary Dianne Thomas is a San Mateo, California based counselor who is specialized as Mental Health Counselor. Active license number of Mrs. Mary Dianne Thomas is MFC25893 for Mental Health Counselor in California. Her current practice location is 1777 Borel Place, Suite 509, San Mateo. Patients can book an appointment with her at 650-349-0461.
Mrs. Mary Dianne Thomas 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.
Complete Profile:
Mrs. Mary Dianne Thomas speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Mrs. Mary Dianne Thomas
Specialization: Mental Health Counselor
Gender:Female
Credentials: M.A.
Accepts Medicare Assignment:No
Practice Address:1777 Borel Place, Suite 509, San Mateo,
California, 94402-2851
Phone:650-349-0461
Fax:650-570-7779
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 Number: 1659500171
NPI Enumeration Date: 06 Jul, 2009
NPI Last Update On: 06 Jul, 2009

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mrs. Mary Dianne Thomas are as mentioned below.
License NumberSpecializationStateStatus
MFC25893Mental Health Counselor CaliforniaPrimary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 1777 Borel Place, Suite 509
San Mateo, California
Zip: 94402-2851
Phone Number: 650-349-3903
Fax Number: 650-570-7779
Patients can reach Mrs. Mary Dianne Thomas at 1777 Borel Place, Suite 509, San Mateo, California or can call to book an appointment on 650-349-0461.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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