Professional Therapist

Mr. John David Deyo, M.A., LMFT, LPCC

1115 Via Verde, San Dimas, California, 91773-4400

About Mr. John David Deyo

Mr. John David Deyo is a therapist based in San Dimas, California who is specialized in Professional Counselor. Active license number of Mr. John David Deyo is MFC49499 for Marriage & Family Therapist in California. His current practice location is 1115 Via Verde, San Dimas. Patients can reach him at 909-713-3396. Mr. John David Deyo is M.A., LMFT, LPCC in Professional Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1316498652.

Mr. John David Deyo is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Practice Information

Mr. John David Deyo 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 Mr. John David Deyo
Specialization Professional Counselor
Credentials M.A., LMFT, LPCC
Gender Male
Practice Address: 1115 Via Verde,
San Dimas, CA - 91773-4400

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 Number1316498652
NPI Enumeration Date: 21 Oct, 2016
NPI Last Update On: 21 Oct, 2016

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 Mr. John David Deyo are as mentioned below.

License NumberSpecializationStateStatus
MFC49499Marriage & Family Therapist CaliforniaPrimary
1277Professional 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.

Mr. John David Deyo
1115 Via Verde,
San Dimas, CA - 91773-4400
Phone: 909-713-3396

Book an Appointment with Mr. John David Deyo

To schedule an appointment, contact Mr. John David Deyo at 1115 Via Verde, San Dimas, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. John David Deyo:

John David Deyo is a therapist specializing in Marriage & Family Therapist. He A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

Yes, John David Deyo is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

John David Deyo practices at 1115 Via Verde, San Dimas, California, 91773-4400.

To schedule an appointment with John David Deyo, please contact the office at 909-713-3396.

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