Diane Fontneau

LADC | Addiction (Substance Use Disorder) Counselor


  1145 Sagamore Ave, Portsmouth
     New Hampshire, 03801-5503
  603-431-6703    603-430-3753 Maps & Directions
Diane Fontneau is a Portsmouth, New Hampshire based counselor who is specialized as 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 book an appointment with her at 603-431-6703.
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.
Complete Profile:
Diane Fontneau 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: Diane Fontneau
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Female
Credentials: LADC
Accepts Medicare Assignment:No
Practice Address:1145 Sagamore Ave, Portsmouth,
New Hampshire, 03801-5503
Phone:603-431-6703
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 Number: 1366990426
NPI Enumeration Date: 19 Sep, 2016
NPI Last Update On: 23 Mar, 2023

Medical Licenses:
Doctors can have 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
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 1145 Sagamore Ave,
Portsmouth, New Hampshire
Zip: 03801-5503
Phone Number: 603-431-6703
Fax Number: 603-430-3753
Patients can reach Diane Fontneau at 1145 Sagamore Ave, Portsmouth, New Hampshire or can call to book an appointment on 603-431-6703.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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