Addiction Therapist

Diane Fontneau, LADC

1145 Sagamore Ave, Portsmouth, New Hampshire, 03801-5503

About Diane Fontneau

Diane Fontneau is a therapist based in Portsmouth, New Hampshire who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Diane Fontneau is 1180 for Addiction (Substance Use Disorder) Counselor in New Hampshire. Her current practice location is 1145 Sagamore Ave, Portsmouth. Patients can reach her at 603-431-6703 or can fax her at 603-430-3753. Diane Fontneau is LADC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1366990426.

Diane Fontneau is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Practice Information

Diane Fontneau 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 Diane Fontneau
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LADC
Gender Female
Practice Address: 1145 Sagamore Ave,
Portsmouth, NH - 03801-5503
Fax 603-430-3753

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 Number1366990426
NPI Enumeration Date: 19 Sep, 2016
NPI Last Update On: 23 Mar, 2023

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 Diane Fontneau are as mentioned below.

License NumberSpecializationStateStatus
1180Addiction (Substance Use Disorder) Counselor New HampshirePrimary
1002Addiction (Substance Use Disorder) Counselor New HampshireSecondary
Mental Health Counselor New HampshireSecondary

Other Medical Identifiers

Other legacy medical identifiers associated with Diane Fontneau such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
3078870MedicaidNew Hampshire

Mailing Address

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

Diane Fontneau
1145 Sagamore Ave,
Portsmouth, NH - 03801-5503
Phone: 603-431-6703
Fax: 603-430-3753

Book an Appointment with Diane Fontneau

To schedule an appointment, contact Diane Fontneau at 1145 Sagamore Ave, Portsmouth, New Hampshire or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Diane Fontneau:

Diane Fontneau is a therapist specializing in Addiction (Substance Use Disorder) Counselor. She is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Yes, Diane Fontneau is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Diane Fontneau practices at 1145 Sagamore Ave, Portsmouth, New Hampshire, 03801-5503.

To schedule an appointment with Diane Fontneau, please contact the office at 603-431-6703.

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