Mental Health Therapist

Arianna Mclellan, LCMHC

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

About Arianna Mclellan

Arianna Mclellan is a therapist based in Portsmouth, New Hampshire who is specialized in Mental Health Counselor. Active license number of Arianna Mclellan is 1241 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. Arianna Mclellan is LCMHC in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1649793605.

Arianna Mclellan 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.

Practice Information

Arianna Mclellan 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 Arianna Mclellan
Specialization Mental Health Counselor
Credentials LCMHC
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 Number1649793605
NPI Enumeration Date: 21 Jul, 2017
NPI Last Update On: 22 Feb, 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 Arianna Mclellan are as mentioned below.

License NumberSpecializationStateStatus
1241Addiction (Substance Use Disorder) Counselor New HampshirePrimary
1263Mental Health Counselor New HampshireSecondary

Other Medical Identifiers

Other legacy medical identifiers associated with Arianna Mclellan such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
3078870MedicaidNew Hampshire
3114836MedicaidNew Hampshire

Mailing Address

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

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

Book an Appointment with Arianna Mclellan

To schedule an appointment, contact Arianna Mclellan 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 Arianna Mclellan:

Arianna Mclellan 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, Arianna Mclellan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Arianna Mclellan practices at 1145 Sagamore Ave, Portsmouth, New Hampshire, 03801-5503.

To schedule an appointment with Arianna Mclellan, 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.